General Description
The MAX5389 dual, 256-tap, volatile, low-voltage linear
taper digital potentiometer offers three end-to-end resis-
tance values of 10kΩ, 50kΩ, and 100kΩ. Operating from
a single +2.6V to +5.5V power supply, the device provides
a low 35ppm/°C end-to-end temperature coefficient. The
MAX5389 features an up/down interface.
The small package size, low supply operating voltage,
low supply current, and automotive temperature range
of the MAX5389 make the device uniquely suited for the
portable consumer market and battery backup industrial
applications.
The MAX5389 is specified over the automotive -40°C to
+125°C temperature range and is available in a 14-pin
TSSOP package.
Applications
●Audio Mixing
● Mechanical Potentiometer Replacement
● Low-Drift Programmable Filters and Ampliers
● Adjustable Voltage References/Linear Regulators
● Programmable Delays and Time Constants
● Low-Voltage Battery Applications
Features
● Dual, 256-Tap Linear Taper Positions
● Single +2.6V to +5.5V Supply Operation
● Low (< 1μA) Quiescent Supply Current
● 10kΩ, 50kΩ, 100kΩ End-to-End Resistance Values
●Up/Down Interface
● Power-On Sets Wiper to Midscale
● -40°C to +125°C Operating Temperature Range
19-5141; Rev 3; 9/14
Note: All devices are specified over the -40°C to +125°C
operating temperature range
+Denotes a lead(Pb)-free/RoHS-compliant package.
PART PIN-PACKAGE END-TO-END
RESISTANCE (kΩ)
MAX5389LAUD+ 14 TSSOP 10
MAX5389MAUD+ 14 TSSOP 50
MAX5389NAUD+ 14 TSSOP 100
U/D
LATCH 256 DECODER
256 DECODER
VDD HA
HB
WB
LB
WA LA
POR
UDA
UDB
LATCH
GND
CSA
CSB
INCB
INCA
MAX5389
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
Functional Diagram
Ordering Information
EVALUATION KIT AVAILABLE
VDD to GND ............................................................-0.3V to +6V
H_, W_, L_ to GND .................................... -0.3V to the lower of
(VDD + 0.3V) and +6V
All Other Pins to GND .............................................-0.3V to +6V
Continuous Current into H_, W_, and L_
MAX5389L ......................................................................... ±5mA
MAX5389M .........................................................................±2mA
MAX5389N .........................................................................±1mA
Continuous Power Dissipation (TA = +70°C)
14-Pin TSSOP (derate 10mW/°C above +70°C) ......796.8mW
Operating Temperature Range ......................... -40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range ............................ -65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
(VDD = +2.6V to +5.5V, VH_ = VDD, VL_ = 0V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at VDD = +5V,
TA = +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Resolution N 256 Taps
DC PERFORMANCE (Voltage-Divider Mode)
Integral Nonlinearity INL (Note 2) -0.5 +0.5 LSB
Differential Nonlinearity DNL (Note 2) -0.5 +0.5 LSB
Dual Code Matching Register A = register B -0.5 +0.5 LSB
Ratiometric Resistor Tempco (ΔVW/VW)/ ΔT, no load +5 LSB
Full-Scale Error Code = FFH
MAX5389L -3 -2.5
LSB
MAX5389M -1 -0.5
MAX5389N -0.5 -0.25
Zero-Scale Error Code = 00H
MAX5389L +2.5 +3
LSBMAX5389M +0.5 +1.0
MAX5389N +0.25 +0.5
DC PERFORMANCE (Variable-Resistor Mode) (Note 3)
Integral Nonlinearity R-INL
VDD > +2.6V
MAX5389L ±1.0 ±2.5
LSB
MAX5389M ±0.5 ±1.0
MAX5389N ±0.25 ±0.8
VDD > +4.75V
MAX5389L ±0.4 ±1.5
MAX5389M ±0.3 ±0.75
MAX5389N ±0.25 ±0.5
Differential Nonlinearity R-DNL VDD ≥ 2.6V -0.5 +0.5 LSB
DC PERFORMANCE (Resistor Characteristics)
Wiper Resistance (Note 4) RWL VDD > 2.6V 250 600 Ω
VDD > 4.75V 150 200
Terminal Capacitance CH_, CL_ Measured to GND 10 pF
Wiper Capacitance CW_ Measured to GND 50 pF
End-to-End Resistor Tempco TCRNo load 35 ppm/°C
End-to-End Resistor Tolerance ΔRHL Wiper not connected -25 +25 %
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
www.maximintegrated.com Maxim Integrated
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Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Electrical Characteristics
(VDD = +2.6V to +5.5V, VH_ = VDD, VL_ = 0V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at VDD = +5V,
TA = +25°C.) (Note 1)
Note 1: All devices are 100% production tested at TA = +25°C. Specifications over temperature limits are guaranteed by design and
characterization.
Note 2: DNL and INL are measured with the potentiometer configured as a voltage-divider (Figure 1) with H_ = VDD and L_ = GND.
The wiper terminal is unloaded and measured with a high-input-impedance voltmeter.
Note 3: R-DNL and R-INL are measured with the potentiometer configured as a variable resistor (Figure 1). DNL and INL are mea-
sured with potentiometer configured as a variable resistor. H_ is unconnected and L_ = GND. For VDD = +5V, the wiper ter-
minal is driven with a source current of 400μA for the 10kΩ configuration, 80μA for the 50kΩ configuration, and 40μA for the
100kΩ configuration. For VDD = +2.6V, the wiper terminal is driven with a source current of 200μA for the 10kΩ configuration,
40μA for the 50kΩ configuration, and 20μA for the 100kΩ configuration.
Note 4: The wiper resistance is the worst value measured by injecting the currents given in Note 3 into W_ with L_ = GND.
RW = VW - VH)/IW.
Note 5: Drive HA with a 1kHz, GND to VDD amplitude, tone. LA = LB = GND. No load. WB is at midscale with a 10pF load. Measure
WB.
Note 6: The wiper-settling time is the worst case 0 to 50% rise time, measured between tap 0 and tap 127. H_ = VDD, L_ = GND, and
the wiper terminal is loaded with 10pF capacitance to ground.
Note 7: Digital timing is guaranteed by design and characterization, not production tested.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
AC PERFORMANCE
Crosstalk (Note 5) -90 dB
-3dB Bandwidth BW Code = 80H, 10pF load,
VDD = +2.6V
MAX5389L 600
kHzMAX5389M 150
MAX5389N 75
Total Harmonic Distortion Plus
Noise THD+N Measured at W, VH_ = 1VRMS at 1kHz 0.015 %
Wiper Settling Time (Note 6) tS
MAX5389L 300
nsMAX5389M 1000
MAX5389N 2000
POWER SUPPLIES
Supply Voltage Range VDD 2.6 5.5 V
Standby Current Digital inputs = VDD or GND 1 µA
DIGITAL INPUTS
Minimum Input High Voltage VIH 70 % x VDD
Maximum Input Low Voltage VIL 30 % x VDD
Input Leakage Current -1 +1 µA
Input Capacitance 5 pF
TIMING CHARACTERISTICS (Note 7)
Maximum INC_ Frequency fMAX 10 MHz
CS to INC_ Setup Time tCI 25 ns
CS to INC_ Hold Time tIC 0 ns
INC_ Low Period tIL 25 ns
INC_ High Period tIH 25 ns
UD_ to INC_ Setup Time tDI 50 ns
UD_ to INC_ Hold Time tID 0 ns
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
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Electrical Characteristics (continued)
(VDD = +5V, TA = +25°C, unless otherwise noted.)
Figure 1. Voltage-Divider and Variable Resistor Configurations
H
L
W W
N.C.
L
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE
DIGITAL INPUT VOLTAGE (V)
SUPPLY CURRENT (µA)
0.5 3.0 5.04.54.01.5 2.52.01.0 3.5
10
1000
1
100
10,000
0.1
0
MAX5389 toc02
VDD = 2.6V
VDD = 5V
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5389 toc03
VDD (V)
IDD (µA)
5.14.64.13.63.12.6
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
RESISTANCE (W-TO-L)
vs. TAP POSITION (10kΩ)
TAP POSITION
W-TO-L RESISTANCE (kΩ)
25520415351 102
3
9
6
11
0
4
10
7
2
8
5
1
0
MAX5389 toc04
RESISTANCE (W-TO-L)
vs. TAP POSITION (50kΩ)
TAP POSITION
W-TO-L RESISTANCE (kΩ)
25520415351 102
15
45
30
55
0
20
50
35
10
40
25
5
0
MAX5389 toc05
RESISTANCE (W-TO-L)
vs. TAP POSITION (100kΩ)
MAX5389 toc06
TAP POSITION
RESISTANCE (W-TO-L) (kΩ)
20415310251
10
20
30
40
50
60
70
80
90
100
110
0
0 255
SUPPLY CURRENT
vs. TEMPERATURE
MAX5389 toc01
SUPPLY CURRENT (µA)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
TEMPERATURE (°C)
1109565 80-10 5 20 35 50-25-40 125
VDD = 5V
VDD = 2.6V
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
Maxim Integrated
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Typical Operating Characteristics
(VDD = +5V, TA = +25°C, unless otherwise noted.)
VARIABLE-RESISTOR DNL
vs. TAP POSITION (100kΩ)
MAX5389 toc11
TAP POSITION
DNL (LSB)
20415310251
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
-0.10
0 255
IWIPER = 400µA
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE
MAX5389 toc08
TEMPERATURE (°C)
END-TO-END RESISTANCE % CHANGE
1109580655035205-10-25
-0.4
-0.3
-0.2
-0.1
0
0.1
-0.5
-40 125
10kΩ
50kΩ
100kΩ
VARIABLE-RESISTOR INL
vs. TAP POSITION (10kΩ)
MAX5389 toc12
TAP POSITION
INL (LSB)
20415310251
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 255
IWIPER = 400µA
VARIABLE-RESISTOR DNL
vs. TAP POSITION (10kΩ)
MAX5389 toc09
TAP POSITION
DNL (LSB)
20415310251
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
-0.10
0 255
IWIPER = 400µA
VARIABLE-RESISTOR INL
vs. TAP POSITION (50kΩ)
MAX5389 toc13
TAP POSITION
INL (LSB)
20415310251
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
0 255
IWIPER = 80µA
VARIABLE-RESISTOR INL
vs. TAP POSITION (100kΩ)
MAX5389 toc14
TAP POSITION
INL (LSB)
20415310251
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
0 255
IWIPER = 400µA
VOLTAGE-DIVIDER DNL
vs. TAP POSITION (10kΩ)
MAX5389 toc15
TAP POSITION
DNL (LSB)
20415310251
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
-0.10
0 255
VARIABLE-RESISTOR DNL
vs. TAP POSITION (50kΩ)
MAX5389 toc10
TAP POSITION
DNL (LSB)
20415310251
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
-0.10
0 255
IWIPER = 80µA
WIPER RESISTANCE
vs. WIPER VOLTAGE (10kΩ)
WIPER VOLTAGE (V)
WIPER RESISTANCE (Ω)
0.5 3.0 5.04.54.01.5 2.52.01.0 3.5
110
150
90
130
190
170
210
70
0
MAX5389 toc07
VDD = 2.6V
VDD = 5V
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
Maxim Integrated
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Typical Operating Characteristics (continued)
(VDD = +5V, TA = +25°C, unless otherwise noted.)
VOLTAGE-DIVIDER INL
vs. TAP POSITION (100kΩ)
MAX5389 toc20
TAP POSITION
INL (LSB)
20415310251
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
0 255
VOLTAGE-DIVIDER DNL
vs. TAP POSITION (100kΩ)
MAX5389 toc17
TAP POSITION
DNL (LSB)
20415310251
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
-0.10
0 255
TAP-TO-TAP SWITCHING TRANSIENT
(CODE 127 TO 128) 10kΩ
400ns/div
INC
5V/div
VW-L
20mV/div
MAX5389 toc21
VOLTAGE-DIVIDER INL
vs. TAP POSITION (10kΩ)
MAX5389 toc18
TAP POSITION
INL (LSB)
20415310251
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
0 255
VOLTAGE-DIVIDER INL
vs. TAP POSITION (50kΩ)
MAX5389 toc19
TAP POSITION
INL (LSB)
20415310251
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
-0.5
0 255
VOLTAGE-DIVIDER DNL
vs. TAP POSITION (50kΩ)
MAX5389 toc16
TAP POSITION
DNL (LSB)
20415310251
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
-0.10
0 255
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
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Typical Operating Characteristics (continued)
(VDD = +5V, TA = +25°C, unless otherwise noted.)
CROSSTALK vs. FREQUENCY
MAX5389 toc26
FREQUENCY (kHz)
CROSSTALK (dB)
1001010.1
-120
-100
-80
-60
-40
-20
0
-140
0.01 1000
MAX5389L
MAX5389M
MAX5389N
TAP-TO-TAP SWITCHING TRANSIENT
(CODE 127 TO 128) 100kΩ
1µs/div
VW-L
20mV/div
MAX5389 toc23
INC
5V/div
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
MAX5389 toc27
FREQUENCY (kHz)
THD+N (%)
1010.10
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0
0.01 100
MAX5389L
MAX5389M
MAX5389N
POWER-ON WIPER TRANSIENT
(CODE 0 TO 128)
2µs/div
VDD
2V/div
OUTPUT W
2V/div
MAX5389 toc24
MIDSCALE FREQUENCY RESPONSE
MAX5389 toc25
FREQUENCY (kHz)
GAIN (dB)
1,0001001010.1
-20
-10
0
10
-30
0.01 10,000
VIN = 1VP-P
CW = 10pF
MAX5389L
MAX5389M
MAX5389N
TAP-TO-TAP SWITCHING TRANSIENT
(CODE 127 TO 128) 50kΩ
400ns/div
INC
5V/div
VW-L
20mV/div
MAX5389 toc22
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
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Typical Operating Characteristics (continued)
PIN NAME FUNCTION
1CSA Active-Low Register A Chip-Select Input. Drive CSA low to change wiper position WA through INCA and UDA.
2 UDA Register A Up/Down Control Input. With UDA low, a high-to-low transition at INCA decrements the WA position
towards LA. With UDA high, a high-to-low transition at INCA increments WA position toward HA.
3UDB Register B Up/Down Control Input. With UDB low, a high-to-low transition at INCB decrements the WB position
towards LB. With UDB high, a high-to-low transition at INCB increments WB position toward HB.
4VDD Power-Supply Input. Bypass VDD to GND with a 0.1µF capacitor close to the device.
5WA Resistor A Wiper Terminal
6 HA Resistor A High Terminal. The voltage at HA can be higher or lower than the voltage at LA. Current can ow into
or out of HA.
7 LA Resistor A Low Terminal. The voltage at LA can be higher or lower than the voltage at HA. Current can ow into
or out of LA.
8LB Resistor B Low Terminal. The voltage at LB can be higher or lower than the voltage at HB. Current can ow into
or out of LB.
9HB Resistor B High Terminal. The voltage at HB can be higher or lower than the voltage at LB. Current can ow
into or out of HB.
10 WB Resistor B Wiper Terminal
11 GND Ground
12 INCB Register B Wiper Increment Control Input. With UDB low, a high-to-low transition at INCB decrements the WB
position towards LB. With UDB high, a high-to-low transition at INCB increments WB position toward HB.
13 INCA Register A Wiper Increment Control Input. With UDA low, a high-to-low transition at INCA decrements the WA
position towards LA. With UDA high, a high-to-low transition at INCA increments WA position toward HA.
14 CSB Active-Low Register B Chip-Select Input. Drive CSB low to change wiper position WA through INCB and UDB.
INCB
GNDVDD
1+
2
14
13
CSB
INCAUDA
UDB
CSA
TOP VIEW
3
4
12
11
HB
LBLA
5 10 WBWA
HA 6
7
9
8
MAX5389
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
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Pin Description
Pin Conguration
Pin Description
Pin Conguration
Detailed Description
The MAX5389 dual, 256-tap, volatile, low-voltage linear
taper digital potentiometer offers three end-to-end resis-
tance values of 10kΩ, 50kΩ, and 100kΩ. The potenti-
ometer consists of 255 fixed resistors in series between
terminals H_ and L_. The potentiometer wiper, W_, is
programmable to access any one of the 256 tap points on
the resistor string. On power-up, the wiper position is set
to midscale (tap 128).
The potentiometers are programmable independent of
each other. The MAX5389 features an up/down interface.
Up/Down Interface
Logic inputs CS_, UD_, and INC_ determine the wiper
position of the device (Table 1). With CS_ low and UD_
high, a high-to-low (falling edge) transition on INC_ incre-
ments the internal counter which moves the wiper, W_,
closer to H_. When both CS_ and UD_ are low, the falling
edge of INC_ decrements the internal counter and moves
the tap point, W_ closer to L_ (Figure 2). The wiper per-
forms a make-before-break transition ensuring that W_ is
never disconnected from the resistor string during a tran-
sition from one tap point to another. When the wiper is at
either end of the resistor array additional transitions in the
direction of the end point do not change the counter value.
Table 1. Up/Down Control Table
Figure 2. Up/Down Interface Timing Diagram
CS_ UD_ INC_ W_
H X X No change
L L áNo change
L H áNo change
L L âDecrement
L H âIncrement
X = Don’t care.
↑ = Low-to-high transition.
↓ = High-to-low transition.
UD_
W_
INC_
CS_
tCI
tDI
tID
tIW
tIC
tIL
tIH
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
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Applications Information
Variable Gain Amplier
Figure 3 shows a potentiometer adjusting the gain of a
noninverting amplifier. Figure 4 shows a potentiometer
adjusting the gain of an inverting amplifier.
Adjustable Dual Linear Regulator
Figure 5 shows an adjustable dual linear regulator using a
dual potentiometer as two variable resistors.
Adjustable Voltage Reference
Figure 6 shows an adjustable voltage reference circuit
using a potentiometer as a voltage-divider.
Figure 3. Variable Gain Noninverting Amplifier
VIN
VOUT
H
L
W
VIN
VOUT
HL
W
VOUT1
VOUT2
OUT1
OUT2
SET1
SET2
IN
V+
L
L
H
H
W
W
MAX8866
OUT
IN
+5V
VREF
GND L
H
W
MAX6160
Figure 5. Adjustable Dual Linear Regulator
Figure 6. Adjustable Voltage ReferenceFigure 4. Variable Gain Inverting Amplifier
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
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Variable Gain Current to Voltage Converter
Figure 7 shows a variable gain current to voltage con-
verter using a potentiometer as a variable resistor.
LCD Bias Control
Figure 8 shows a positive LCD bias control circuit using a
potentiometer as a voltage-divider.
Figure 9 shows a positive LCD bias control circuit using a
potentiometer as a variable resistor
Programmable Filter
Figure 10 shows a programmable filter using a dual
potentiometer.
Offset Voltage Adjustment Circuit
Figure 11 shows an offset voltage adjustment circuit using
a dual potentiometer
Figure 7. Variable Gain I-to-V Converter Figure 9. Positive LCD Bias Control Using a Variable Resistor
Figure 10. Programmable FilterFigure 8. Positive LCD Bias Control Using a Voltage-Divide
L
R1
R2
R3
VOUT
IS
H
W
VOUT = -IS x ((R3 x (1 + R2/R1)) + R2)
L
VOUT
H
W
+5V
L
VOUT
H
W
+5V
VOUT
VIN
LA
HA
WB
LB
HB
R2
R1
R3
WA
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
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Figure 11. Offset Voltage Adjustment Circuit
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
14 TSSOP U14+1 21-0066 90-0113
VOUT
LB
HB
WB
WA
LA
HA
+5V
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
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│
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Package Information
For the latest package outline information and land patterns
(footprints), go to www.maximintegrated.com/packages. Note
that a “+”, “#”, or “-” in the package code indicates RoHS status
only. Package drawings may show a different suffix character, but
the drawing pertains to the package regardless of RoHS status.
Process Information
PROCESS: BiCMOS
REVISION
NUMBER
REVISION
DATE DESCRIPTION PAGES
CHANGED
0 1/10 Initial release —
1 4/10
Added Soldering Temperature in Absolute Maximum Ratings; corrected code
in Conditions of -3dB Bandwidth specication in Electrical Characteristics;
corrected Table 1 and Figure 5
2, 3, 9, 10
2 11/10 Updated Electrical Characteristics table globals, updated drawings for
optimal circuit operation 2, 3, 10, 11, 12
3 9/14 Removed automotive reference from data sheet 1
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses
are implied. Maxim Integrated reserves the right to change the circuitry and specications without notice at any time. The parametric values (min and max limits)
shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
MAX5389 Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometer
© 2014 Maxim Integrated Products, Inc.
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