LM10
LM10 Operational Amplifier and Voltage Reference
Literature Number: SNOSBH4C
LM10
Operational Amplifier and Voltage Reference
General Description
The LM10 series are monolithic linear ICs consisting of a
precision reference, an adjustable reference buffer and an
independent, high quality op amp.
The unit can operate from a total supply voltage as low as
1.1V or as high as 40V, drawing only 270µA. A complemen-
tary output stage swings within 15 mV of the supply termi-
nals or will deliver ±20 mA output current with ±0.4V satu-
ration. Reference output can be as low as 200 mV.
The circuit is recommended for portable equipment and is
completely specified for operation from a single power cell.
In contrast, high output-drive capability, both voltage and
current, along with thermal overload protection, suggest it in
demanding general-purpose applications.
The device is capable of operating in a floating mode, inde-
pendent of fixed supplies. It can function as a remote com-
parator, signal conditioner, SCR controller or transmitter for
analog signals, delivering the processed signal on the same
line used to supply power. It is also suited for operation in a
wide range of voltage- and current-regulator applications,
from low voltages to several hundred volts, providing greater
precision than existing ICs.
This series is available in the three standard temperature
ranges, with the commercial part having relaxed limits. In
addition, a low-voltage specification (suffix “L”) is available in
the limited temperature ranges at a cost savings.
Features
ninput offset voltage: 2.0 mV (max)
ninput offset current: 0.7 nA (max)
ninput bias current: 20 nA (max)
nreference regulation: 0.1% (max)
noffset voltage drift: 2µV/˚C
nreference drift: 0.002%/˚C
Connection and Functional Diagrams
Metal Can Package (H)
00565201
Order Number LM10BH, LM10CH,
LM10CLH or LM10H/883
available per SMA# 5962-8760401
See NS Package Number H08A
Small Outline Package (WM)
00565217
Order Number LM10CWM or LM10CWMX
See NS Package Number M14B
Dual-In-Line Package (N)
00565215
Order Number LM10CN or LM10CLN
See NS Package Number N08E
00565216
August 2000
LM10 Operational Amplifier and Voltage Reference
© 2004 National Semiconductor Corporation DS005652 www.national.com
Absolute Maximum Ratings (Notes 1,
8)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
LM10/LM10B/LM10BL/
LM10C LM10CL
Total Supply Voltage 45V 7V
Differential Input Voltage (Note 2) ±40V ±7V
Power Dissipation (Note 3) internally limited
Output Short-circuit Duration (Note
4)
continuous
Storage-Temp. Range −55˚C to +150˚C
Lead Temp. (Soldering, 10 seconds)
Metal Can 300˚C
Lead Temp. (Soldering, 10
seconds) DIP
260˚C
Vapor Phase (60 seconds) 215˚C
Infrared (15 seconds) 220˚C
See AN-450 “Surface Mounting Methods and Their Effect on
Product Reliability” for other methods of soldering surface
mount devices.
ESD rating is to be determined.
Maximum Junction Temperature
LM10 150˚C
LM10B 100˚C
LM10C 85˚C
Operating Ratings
Package Thermal Resistance
θ
JA
H Package 150˚C/W
N Package 87˚C/W
WM Package 90˚C/W
θ
JC
H Package 45˚C/W
Electrical Characteristics
T
J
=25˚C, T
MIN
≤T
J
≤T
MAX
(Boldface type refers to limits over temperature range) (Note 5)
Parameter Conditions LM10/LM10B LM10C Units
Min Typ Max Min Typ Max
Input offset voltage 0.3 2.0 0.5 4.0 mV
3.0 5.0 mV
Input offset current 0.25 0.7 0.4 2.0 nA
(Note 6) 1.5 3.0 nA
Input bias current 10 20 12 30 nA
30 40 nA
Input resistance 250 500 150 400 kΩ
150 115 kΩ
Large signal voltage V
S
=±20V, I
OUT
=0 120 400 80 400 V/mV
gain V
OUT
=±19.95V 80 50 V/mV
V
S
=±20V, V
OUT
=±19.4V 50 130 25 130 V/mV
I
OUT
=±20 mA (±15 mA) 20 15 V/mV
V
S
=±0.6V (0.65V), I
OUT
=±2 mA 1.5 3.0 1.0 3.0 V/mV
V
OUT
=±0.4V (±0.3V), V
CM
=−0.4V 0.5 0.75 V/mV
Shunt gain (Note 7) 1.2V (1.3V) ≤V
OUT
≤40V, 14 33 10 33 V/mV
R
L
=1.1 kΩ
0.1 mA≤I
OUT
≤5mA 66V/mV
1.5V≤V
+
≤40V, R
L
=250Ω8 25 6 25 V/mV
0.1 mA≤I
OUT
≤20 mA 44V/mV
Common-mode −20V≤V
CM
≤19.15V (19V) 93 102 90 102 dB
rejection V
S
=±20V 87 87 dB
Supply-voltage −0.2V≥V
−
≥−39V 90 96 87 96 dB
rejection V
+
=1.0V (1.1V) 84 84 dB
1.0V (1.1V) ≤V
+
≤39.8V 96 106 93 106 dB
V
−
=−0.2V 90 90 dB
Offset voltage drift 2.0 5.0 µV/˚C
Offset current drift 2.0 5.0 pA/˚C
Bias current drift T
C
<100˚C 60 90 pA/˚C
LM10
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Electrical Characteristics (Continued)
T
J
=25˚C, T
MIN
≤T
J
≤T
MAX
(Boldface type refers to limits over temperature range) (Note 5)
Parameter Conditions LM10/LM10B LM10C Units
Min Typ Max Min Typ Max
Line regulation 1.2V (1.3V) ≤V
S
≤40V 0.001 0.003 0.001 0.008 %/V
0≤I
REF
≤1.0 mA, V
REF
=200 mV 0.006 0.01 %/V
Load regulation 0≤I
REF
≤1.0 mA 0.01 0.1 0.01 0.15 %
V
+
−V
REF
≥1.0V (1.1V) 0.15 0.2 %
Amplifier gain 0.2V≤V
REF
≤35V 50 75 25 70 V/mV
23 15 V/mV
Feedback sense 195 200 205 190 200 210 mV
voltage 194 206 189 211 mV
Feedback current 20 50 22 75 nA
65 90 nA
Reference drift 0.002 0.003 %/˚C
Supply current 270 400 300 500 µA
500 570 µA
Supply current
change
1.2V (1.3V) ≤V
S
≤40V 15 75 15 75 µA
Electrical Characteristics
T
J
=25˚C, T
MIN
≤T
J
≤T
MAX
(Boldface type refers to limits over temperature range) (Note 5)
Parameter Conditions LM10BL LM10CL Units
Min Typ Max Min Typ Max
Input offset voltage 0.3 2.0 0.5 4.0 mV
3.0 5.0 mV
Input offset current 0.1 0.7 0.2 2.0 nA
(Note 6) 1.5 3.0 nA
Input bias current 10 20 12 30 nA
30 40 nA
Input resistance 250 500 150 400 kΩ
150 115 kΩ
Large signal voltage V
S
=±3.25V, I
OUT
=0 60 300 40 300 V/mV
gain V
OUT
=±3.2V 40 25 V/mV
V
S
=±3.25V, I
OUT
=10 mA 10 25 5 25 V/mV
V
OUT
=±2.75 V 43V/mV
V
S
=±0.6V (0.65V), I
OUT
=±2 mA 1.5 3.0 1.0 3.0 V/mV
V
OUT
=±0.4V (±0.3V), V
CM
=−0.4V 0.5 0.75 V/mV
Shunt gain (Note 7) 1.5V≤V
+
≤6.5V, R
L
=500Ω8 30 6 30 V/mV
0.1 mA≤I
OUT
≤10 mA 44V/mV
Common-mode −3.25V≤V
CM
≤2.4V (2.25V) 89 102 80 102 dB
rejection V
S
=±3.25V 83 74 dB
Supply-voltage −0.2V≥V
−
≥−5.4V 86 96 80 96 dB
rejection V
+
=1.0V (1.2V) 80 74 dB
1.0V (1.1V) ≤V
+
≤6.3V 94 106 80 106 dB
V
−
=0.2V 88 74 dB
Offset voltage drift 2.0 5.0 µV/˚C
Offset current drift 2.0 5.0 pA/˚C
Bias current drift 60 90 pA/˚C
Line regulation 1.2V (1.3V) ≤V
S
≤6.5V 0.001 0.01 0.001 0.02 %/V
0≤I
REF
≤0.5 mA, V
REF
=200 mV 0.02 0.03 %/V
LM10
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Electrical Characteristics (Continued)
T
J
=25˚C, T
MIN
≤T
J
≤T
MAX
(Boldface type refers to limits over temperature range) (Note 5)
Parameter Conditions LM10BL LM10CL Units
Min Typ Max Min Typ Max
Load regulation 0≤I
REF
≤0.5 mA 0.01 0.1 0.01 0.15 %
V
+
−V
REF
≥1.0V (1.1V) 0.15 0.2 %
Amplifier gain 0.2V≤V
REF
≤5.5V 30 70 20 70 V/mV
20 15 V/mV
Feedback sense voltage 195 200 205 190 200 210 mV
194 206 189 211 mV
Feedback current 20 50 22 75 nA
65 90 nA
Reference drift 0.002 0.003 %/˚C
Supply current 260 400 280 500 µA
500 570 µA
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional, but do not guarantee specific performance limits.
Note 2: The Input voltage can exceed the supply voltages provided that the voltage from the input to any other terminal does not exceed the maximum differential
input voltage and excess dissipation is accounted for when VIN<V−.
Note 3: The maximum, operating-junction temperature is 150˚C for the LM10, 100˚C for the LM10B(L) and 85˚C for the LM10C(L). At elevated temperatures,
devices must be derated based on package thermal resistance.
Note 4: Internal thermal limiting prevents excessive heating that could result in sudden failure, but the IC can be subjected to accelerated stress with a shorted
output and worst-case conditions.
Note 5: These specifications apply for V−≤VCM≤V+−0.85V (1.0V), 1.2V (1.3V) <VS≤VMAX,V
REF=0.2V and 0≤IREF≤1.0 mA, unless otherwise specified: VMAX=40V
for the standard part and 6.5V for the low voltage part. Normal typeface indicates 25˚C limits. Boldface type indicates limits and altered test conditions for
full-temperature-range operation; this is −55˚C to 125˚C for the LM10, −25˚C to 85˚C for the LM10B(L) and 0˚C to 70˚C for the LM10C(L). The specifications do
not include the effects of thermal gradients (τ1.20 ms), die heating (τ2.0.2s) or package heating. Gradient effects are small and tend to offset the electrical error
(see curves).
Note 6: For TJ>90˚C, IOS may exceed 1.5 nA for VCM=V−. With TJ=125˚C and V−≤VCM≤V−+0.1V, IOS≤5 nA.
Note 7: This defines operation in floating applications such as the bootstrapped regulator or two-wire transmitter. Output is connected to the V+terminal of the IC
and input common mode is referred to V−(see typical applications). Effect of larger output-voltage swings with higher load resistance can be accounted for by adding
the positive-supply rejection error.
Note 8: Refer to RETS10X for LM10H military specifications.
Definition of Terms
Input offset voltage: That voltage which must be applied between the input terminals to bias the unloaded output in the linear
region.
Input offset current: The difference in the currents at the input terminals when the unloaded output is in the linear region.
Input bias current: The absolute value of the average of the two input currents.
Input resistance: The ratio of the change in input voltage to the change in input current on either input with the other grounded.
Large signal voltage gain: The ratio of the specified output voltage swing to the change in differential input voltage required to
produce it.
Shunt gain: The ratio of the specified output voltage swing to the change in differential input voltage required to produce it with
the output tied to the V
+
terminal of the IC. The load and power source are connected between the V
+
and V
−
terminals, and input
common-mode is referred to the V
−
terminal.
Common-mode rejection: The ratio of the input voltage range to the change in offset voltage between the extremes.
Supply-voltage rejection: The ratio of the specified supply-voltage change to the change in offset voltage between the
extremes.
Line regulation: The average change in reference output voltage over the specified supply voltage range.
Load regulation: The change in reference output voltage from no load to that load specified.
Feedback sense voltage: The voltage, referred to V
−
, on the reference feedback terminal while operating in regulation.
Reference amplifier gain: The ratio of the specified reference output change to the change in feedback sense voltage required
to produce it.
Feedback current: The absolute value of the current at the feedback terminal when operating in regulation.
Supply current: The current required from the power source to operate the amplifier and reference with their outputs unloaded
and operating in the linear range.
LM10
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Typical Performance Characteristics (Op Amp)
Input Current Common Mode Limits
00565218 00565219
Output Voltage Drift Input Noise Voltage
00565220 00565221
DC Voltage Gain Transconductance
00565222 00565223
LM10
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Typical Performance Characteristics (Op Amp) (Continued)
Output Saturation
Characteristics
Output Saturation
Characteristics
00565224 00565225
Output Saturation
Characteristics Minimum Supply Voltage
00565226 00565227
Minimum Supply Voltage Minimum Supply Voltage
00565228 00565229
LM10
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Typical Performance Characteristics (Op Amp) (Continued)
Frequency Response Output Impedance
00565230 00565231
Typical Stability Range Large Signal Response
00565232 00565233
Comparator Response
Time For Various
Input Overdrives
Comparator Response
Time For Various
Input Overdrives
00565234 00565235
LM10
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Typical Performance Characteristics (Op Amp) (Continued)
Follower Pulse
Response Noise Rejection
00565236
00565237
Rejection Slew Limiting Supply Current
00565238 00565239
Thermal Gradient
Feedback
Thermal Gradient
Cross-coupling
00565240 00565241
LM10
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Typical Performance Characteristics (Op Amp) (Continued)
Shunt Gain Shunt Gain
00565242 00565243
Shunt Gain Shunt Gain
00565244 00565242
Shunt Gain Shunt Gain
00565243 00565244
LM10
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Typical Performance Characteristics (Reference)
Line Regulation Load Regulation
00565245
00565246
Reference Noise Voltage Minimum Supply Voltage
00565247 00565248
Output Saturation Typical Stability Range
00565249 00565250
LM10
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Typical Applications (Note 10) (Pin numbers are for devices in 8-pin packages) (Continued)
Zero Output
00565256
Note 9: Use only electrolytic output capacitors.
Current Regulator Shunt Regulator
00565257
00565258
Required For Capacitive Loading
Negative Regulator Precision Regulator
00565259
*Electrolytic
00565260
LM10
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Typical Applications (Note 10) (Pin numbers are for devices in 8-pin packages) (Continued)
Optical Pyrometer
00565271
††Level-shift Trim
*Scale Factor Trim
†Copper Wire Wound
Thermocouple Transmitter Logarithmic Light Sensor
00565272
200˚C≤Tp≤700˚C
1mA≤IOUT≤5mA
†Gain Trim
00565273
1mA≤IOUT≤5mA
‡50 µA≤ID≤500 µA
††Center Scale Trim
†Scale Factor Trim
*Copper Wire Wound
LM10
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Typical Applications (Note 10) (Pin numbers are for devices in 8-pin packages) (Continued)
Battery-level Indicator Battery-threshold Indicator
00565274 00565275
Single-cell Voltage Monitor Double-ended Voltage Monitor
00565276
Flashes Above 1.2V
Rate Increases With
Voltage
00565277
Flash Rate Increases
Above 6V and Below 15V
Meter Amplifier
00565278
INPUT
10 mV, 100nA
FULL-SCALE
LM10
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Typical Applications (Note 10) (Pin numbers are for devices in 8-pin packages) (Continued)
Light-level Controller
00565283
Note 10: Circuit descriptions available in application note AN-211.
Application Hints
With heavy amplifier loading to V
−
, resistance drops in the
V
−
lead can adversely affect reference regulation. Lead re-
sistance can approach 1Ω. Therefore, the common to the
reference circuitry should be connected as close as possible
to the package.
LM10
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Operational Amplifier Schematic (Pin numbers are for 8-pin packages)
00565213
LM10
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Reference and Internal Regulator (Pin numbers are for 8-pin packages)
00565214
LM10
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Physical Dimensions inches (millimeters) unless otherwise noted
Metal Can Package (H)
Order Number LM10BH, LM10CH, LM10CLH or LM10H/883
NS Package Number H08A
S.O. Package (WM)
Order Number LM10CWM or LM10CWMX
NS Package Number M14B
LM10
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
Dual-In-Line Package (N)
Order Number LM10CN or LM10CLN
NS Package Number N08E
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www.national.com
LM10 Operational Amplifier and Voltage Reference
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.
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