Datasheet

LT1122
3
1122fb
For more information www.linear.com/LT1122
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
S
= ±15V, V
CM
= 0V unless otherwise noted. (Note 2)
SYMBOL PARAMETER CONDITIONS
LT1122AM/BM
LT1122AC/BC
LT
1122CM/DM
LT1122CC/DC
LT1122CS/DS
UNITSMIN TY
P MAX MIN TYP MAX
V
OS
Input Offset Voltage 120 600 130 900 µV
I
OS
Input Offset Current 4 40 5 50 pA
I
B
Input Bias Current 10 75 12 100 pA
Input Resistance
Differential
Common Mode V
CM
= –10V to 8V
V
CM
= 8V to 11V
10
12
10
12
10
11
10
12
10
12
10
11
Ω
Ω
Ω
Input
Capacitance 4 4 pF
SR
Slew Rate A
V
= – 1 60 80 50 75 V/µs
Settling Time (Note 2) 10V to 0V, – 10V to 0V
100% Tested: A- and C-Grades to 1mV at Sum Node
B- and D-Grades to 1mV at Sum Node
All Grades to 0.5mV at Sum Node
340
350
450
540 350
360
470
590 ns
ns
ns
GBW Gain
-Bandwidth Product Power
Bandwidth V
OUT
= 20V
P-P
14
1.2
13
1.1
MHz
MHz
A
VOL
Large-Signal Voltage Gain V
OUT
= ±10V, R
L
= 2kΩ
V
OUT
= ±10V, R
L
= 600Ω
180
130
500
250
150
110
450
220
V/mV
V/mV
CMRR Common-Mode Rejection Ratio V
CM
= ±10V 83 99 80 98 dB
Input Voltage Range (Note 4) ±10.5 ±11 ±10.5 ±11 V
PSRR Power Supply Rejection Ratio V
S
= ±10V to ±18V 86 103 82 101 dB
Input Noise Voltage 0.1Hz to 10Hz 3.0 3.3 µV
P-P
Input Noise Voltage Density f
O
= 100Hz
f
O
= 10kHz
25
14
27
15
nV/√Hz
nV/√Hz
Input Noise Current Density f
O
= 100Hz, f
O
= 10kHz 2 2 fA/√Hz
V
OUT
Output Voltage Swing R
L
= 2kΩ
R
L
= 600Ω
±12
±11.5
±12.5
±12
±12
±11.5
±12.5
±12
V
V
I
S
Supply Current 7.5 10 7.8 11 mA
Minimum Supply Voltage (Note 5) ±5 ±5 V
Offset Adjustment Range R
POT
≥ 10k, Wiper to V
+
±4 ±10 ±4 ±10 mV