LF155 - LF156 - LF157
ELECTRICAL CHARACTERISTICS
LF155, LF156, LF157
LF255, LF256, LF257
(unless otherwise specified)
-55oC ≤ Tamb ≤ +125oC
±5V ≤ VCC ≤ ±20V
±5V ≤ VCC ≤ ±20V
-40oC ≤ Tamb ≤ +105oC
LF155 - LF156 - LF157
LF255 - LF256 - LF257
Symbol
Parameter
Unit
Min.
Typ.
Max.
Vio
Input Offset Voltage (RS = 50Ω)
mV
Tamb = 25oC
3
5
7
6.2
Tmin. ≤ Tamb ≤ Tmax.
LF155, LF156, LF157
LF255, LF256, LF257
Iio
Input Offset Current - (note 3)
Tamb = 25oC
3
20
20
1
pA
nA
nA
Tmin. ≤ Tamb ≤ Tmax.
LF155, LF156, LF157
LF255, LF256, LF257
Iib
Input Bias Current - (note 3)
Tamb = 25oC
20
100
50
5
pA
nA
nA
Tmin. ≤ Tamb ≤ Tmax.
LF155, LF156, LF157
LF255, LF256, LF257
Avd
Large Signal Voltage Gain (RL = 2kΩ, VO = ±10V, VCC = ±15V)
V/mV
Tamb = 25oC
50
25
200
100
Tmin. ≤ Tamb ≤ Tmax.
SVR
ICC
Supply Voltage Rejection Ratio - (note 4)
85
dB
Supply Current (VCC = ±15V, no load)
mA
Tamb = 25oC
LF155, LF255
LF156, LF256
LF157, LF257
2
5
5
4
7
7
DVio
Input Offset Voltage Drift (RS = 50Ω)
5
µV/oC
µV/oC
DVio/Vio Change in Average Temperature Coefficient with Vio adjust
0.5
(RS = 50Ω) - (note 2)
Input Common Mode Voltage Range (VCC = ±15V, Tamb = 25oC)
Vicm
±11
+15.1
-12
V
CMR
Common Mode Rejection Ratio
85
100
dB
V
±VOPP
Output Voltage Swing (VCC = ±15V)
RL = 10kΩ
RL = 2kΩ
±12
±10
±13
±12
GBP
SR
Gain Bandwidth Product (VCC = ±15V, Tamb = 25oC)
MHz
LF155, LF255
LF156, LF256
LF157, LF257
2.5
5
20
Slew Rate (VCC = ±15V, Tamb = 25oC)
V/µs
AV = 1
LF155, LF255
LF156, LF256
LF157, LF257
5
12
50
1012
3
7.5
30
AV = 5
Ri
Ci
en
Input Resistance (Tamb = 25oC)
Ω
Input Capacitance (VCC = ±15V, Tamb = 25oC)
pF
Equivalent Input Noise Voltage
nV
√Hz
(VCC = ±15V, Tamb = 25oC, RS = 100Ω)
f = 1000Hz
LF155, LF255
20
12
12
25
15
15
LF156, LF256
LF157, LF257
LF155, LF255
LF156, LF256
LF157, LF257
f = 100Hz
in
ts
Equivalent Input Noise Current
pA
√Hz
µs
(VCC = ±15V, Tamb = 25oC, f = 100Hz or f = 1000Hz)
Settling Time (VCC = ±15V, Tamb = 25oC) - (note 5)
0.01
LF155, LF255
4
LF156, LF256
LF157, LF257
1.5
1.5
3/14
STMICROELECTRONICS [ ST ]
