7-4
Specifications CA723, CA723C
Absolute Maximum Ratings Operating Conditions
DC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
(Between V+ and V- Terminals)
Pulse Voltage for 50ms
Pulse Width (Between V+ and V- Terminals) . . . . . . . . . . . . . 50V
Differential Input-Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . 40V
Differential Input Voltage
Between Inverting and Noninverting Inputs. . . . . . . . . . . . . . . . ±5V
Between Noninverting Input and V- . . . . . . . . . . . . . . . . . . . . . 8V
Current From Zener Diode Terminal (VZ) . . . . . . . . . . . . . . . . .25mA
Thermal Resistance θJA θJC
Plastic DIP Package . . . . . . . . . . . . . . . . 120oC/W -
Metal Can . . . . . . . . . . . . . . . . . . . . . . . . 136oC/W 65oC/W
Device Dissipation
CA723T, CA723CT, Up to TA = +25oC. . . . . . . . . . . . . . . . 900mW
CA723E, CA723CE, Up to TA = +25oC . . . . . . . . . . . . . . 1000mW
CA723T, CA723CT, Above TA = +25oC. . . . . . . . . . . . .7.4mW/oC
CA723E, CA723CE, Above TA = +25oC . . . . . . . . . . . .8.3mW/oC
Ambient Temperature Range
Operating Temperature Range . . . . . . . . . . . . . .-55oC to +125oC
Storage Temperature Range . . . . . . . . . . . . . . . .-65oC to +150oC
Lead Temperature, During Soldering . . . . . . . . . . . . . . . . . . +265oC
At a distance 1/16” ± 1/32” (1.59mm ±0.79mm) from case for 10s
max
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
DC Electrical Specifications TA = +25oC, V+ = VC = VI = 12V, V- = 0, VO = 5V, IL = 1mA, C1 = 100pF, CREF = 0, RSCP = 0,
Unless Otherwise Specified. Divider impedance R1 R2÷R1 + R2 at noninverting input, Terminal 5 =
10kΩ. (Figure 20)
PARAMETERS TEST CONDITION
CA723 CA723C
UNITSMIN TYP MAX MIN TYP MAX
DC CHARACTERISTICS
Quiescent Regulator Current, IQIL = 0, VI = 30V - 2.3 3.5 - 2.3 4 mA
Input Voltage Range, VI9.5 - 40 9.5 - 40 V
Output Voltage Range, VO2 - 37 2 - 37 V
Differential Input-Output Voltage, VI - VO3 - 38 3 - 38 V
Reference Voltage, VREF 6.95 7.15 7.35 6.8 7.15 7.5 V
Line Regulation (Note 1) VI = 12V to 40V - 0.02 0.2 - 0.1 0.5 % VO
VI = 12V to 15V - 0.01 0.1 - 0.01 0.1 % VO
VI = 12V to 15V,
TA = -55oC to +125oC- - 0.3 - - - % VO
VI = 12V to 15V,
TA = 0oC to +70oC-----0.3% V
O
Load Regulation (Note 1) IL = 1mA to 50mA - 0.03 0.15 - 0.03 0.2 % VO
IL = 1mA to 50mA,
TA = -55oC to +125oC- - 0.6 - - - % VO
IL = 1mA to 50mA,
TA = 0oC to +70oC-----0.6% V
O
Output-Voltage Temperature Coeffi-
cient, ∆VO
TA = -55oC to +125oC - 0.002 0.015 - - - %/oC
TA = 0oC to +70oC ----0.003 0.015 %/oC
Ripple Rejection (Note 2) f = 50Hz to 10kHz - 74 - - 74 - dB
f = 50Hz to 10kHz,
CREF = 5µF-86- -86-dB
Short Circuit Limiting Current, ILIM RSCP = 10Ω, VO = 0 - 65 - - 65 - mA
Equivalent Noise RMS Output Voltage,
VN (Note 2) BW = 100Hz to 10kHz,
CREF = 0 - -20 - - 20 - µV
BW = 100Hz to 10kHz,
CREF = 5µF- 2.5 - - 2.5 - µV
NOTES:
1. Line and load regulation specifications are given for condition of a constant chip temperature. For high dissipation condition, temperature
drifts must be separately taken into account.
2. For CREF (See Figure 20)