Datasheet

LT1178/LT1179
5
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ELECTRICAL CHARACTERISTICS
LT1178AC/LT1179AC LT1178I/C/S/LT1179I/C/S
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage 80 350 100 480 µV
LT1178SW 150 900 µV
LT1179SW 160 1050 µV
LT1178S8 120 350 µV
I
OS
lnput Offset Current 0.05 0.25 0.05 0.35 nA
I
B
Input Bias Current 3 5 3 6 nA
Input Voltage Range 13.5 13.9 13.5 13.9 V
–15.0 –15.3 –15.0 –15.3 V
CMRR Common Mode Rejection Ratio V
CM
= 13.5V, –15V 97 106 94 106 dB
PSRR Power Supply Rejection Ratio V
S
= 5V, 0V to ±18V 96 112 94 112 dB
A
VOL
Large-Signal Voltage Gain V
O
= ±10V, R
L
= 50k 300 1200 250 1000 V/mV
V
O
= ±10V, No Load 600 2500 400 2500 V/mV
V
OUT
Maximum Output Voltage Swing R
L
= 50k ±13.0 ±14.2 ±13.0 ±14.2 V
R
L
= 2k ±11.0 ±12.7 ±11.0 ±12.7 V
SR Slew Rate A
V
= 1 0.02 0.04 0.02 0.04 V/µs
GBW Gain Bandwidth Product f
O
≤ 5kHz 85 85 kHz
I
S
Supply Current per Amplifier 16 21 17 25 µA
V
S
= ±15V, T
A
= 25°C, unless noted.
LT1178I/LT1179I LT1178SW/LT1179SW
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
lnput Offset Voltage LT1178 ● 130 740 190 1150 µV
LT1179
● 130 740 200 1300 µV
∆V
OS
/∆T Input Offset Voltage Drift (Note 6) ● 0.7 4.0 0.9 5.5 µV/°C
I
OS
Input Offset Current ● 0.07 0.7 0.06 0.35 nA
I
B
Input Bias Current ● 48 37 nA
A
VOL
Large-Signal Voltage Gain V
O
= ±10V, R
L
= 50k ● 100 500 150 750 V/mV
CMRR Common Mode Rejection Ratio V
CM
= 13V, –14.9V ● 88 103 91 104 dB
PSRR Power Supply Rejection Ratio V
S
= 5V, 0V to ±18V ● 88 109 91 110 dB
Maximum Output Voltage Swing R
L
= 5k ● ±11.0 ±13.5 ±11.0 ±13.5 V
I
S
Supply Current per Amplifier ● 19 30 18 28 µA
The ● denotes specifications which apply over the full operating temperature range of –40°C ≤ T
A
≤ 85°C for I grades,
0°C ≤ T
A
≤ 70°C for SW grades, V
S
= ±15V, unless noted.