Datasheet

  
  

SLUS165C – MARCH 1999 - REVISED JANUARY 2002
3
www.ti.com
electrical characteristics, these specifications apply for T
A
= –55°C to 125°C for UC1907, –40°C to
85°C for UC2907, and 0°C to 70°C for UC3907, V
IN
= 15 V, T
A
= T
J
(unless otherwise stated )
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Voltage Amp Section
Inp t oltage
COMP = 1 V, T
A
= 25°C 1.975 2.000 2.025 V
Input voltage
COMP = 1 V, over temp 1.960 2.000 2.040 V
Line regulation V
IN
= 4.5 V to 35 V 15 mV
Load regulation I
L
reference = 0.0 mA to –10 mA 10 mV
Long term stability T
A
= 125°C, 1000hrs See Note 2 5 25 mV
Total output variation Line, load, temp 1.960 2.040
Input adjust range ADJ OUT from max high to max low 85 100 115 mV
Input bias current –1 µA
Open loop gain COMP = 0.75 V to 1.5 V 65 dB
Unity gain bandwidth T
A
= 25°C See Note 2 700 kHz
Output sink current (+) SENSE = 2.2 V, COMP = 1 V 6 15 mA
Output source current (+) SENSE = 1.8 V, COMP = 1 V 400 600 µA
V
OUT
high (+) SENSE = 1.8 V, I
L
= –400 µΑ 1.85 2 V
V
OUT
low (+) SENSE = 2.2 V, I
L
= 1 mA 0.15 0.40 V
Reference Section
O tp t oltage
T
A
= 25°C 1.970 2.000 2.030 V
Output voltage
Over operating temp 1.955 2.000 2.045 V
Short circuit current VREF = 0.0 V –15 –30 –60 mA
Ground Amp Section
Output voltage 200 250 300 mV
Common mode variation (–) SENSE from 0.0 V to 2 V 5 mV
Load reg lation
I
L
= 0.0 mA to 20 mA, T
A
= 25°C 10 mV
Load regulation
I
L
= 0.0 mA to 20 mA, over temp 15 mV
Adjust Amp Section
Input offset voltage ADJ OUT = 1.5 V, V
CM
= 0.0 V 40 50 60 mV
Input bias current –2 µA
Open loop gain 1.5 V ≤ ADJ OUT ≤ 2.25 V 65 dB
Unity gain bandwidth T
A
= 25°C, C
OUT
=1 µF See Note 2 500 Hz
Transconductance I
OUT
= –10 µA to 10 µA, V
OUT
= 1.5 V 1.7 3 4.5 ms
Output sink current V
ID
= 0.0 V, ADJ OUT = 1.5 V 55 135 225 µA
Output source current V
ID
= 250 mV, ADJ OUT = 1.5 V 110 200 350 µA
V
OUT
high V
ID
= 250 mV, I
OUT
= – 50 mA 2.20 2.70 2.90 V
V
OUT
low V
ID
= 0.0 V, I
OUT
= 50 mA 0.75 1.15 V
Common mode rejection ratio V
CM
= 0.0 to 10 V 70 dB
Output gain to V/A
V
OUT
ADJ OUT = 1.5 V to 2 V,
∆(+) SENSE/ ∆ADJ OUT
50 57 64 mV/V
NOTE 1: Unless otherwise specified all voltages are with respect to (–) SENSE. Currents are positive into, negative out of the specified terminal.
NOTE 2: Ensured by design. Not production tested.