Datasheet

3
LT1229/LT1230
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage T
A
= 25°C ±3 ±10 mV
● ±15 mV
Input Offset Voltage Drift ● 10 µV/°C
I
IN
+
Noninverting Input Current T
A
= 25°C ±0.3 ±3 µA
● ±10 µA
I
IN
–
Inverting Input Current T
A
= 25°C ±10 ±50 µA
● ±100 µA
e
n
Input Noise Voltage Density f = 1kHz, R
F
= 1k, R
G
= 10Ω, R
S
= 0Ω 3.2 nV/√Hz
+i
n
Noninverting Input Noise Current Density f = 1kHz, R
F
= 1k, R
G
= 10Ω, R
S
= 10k 1.4 pA/√Hz
–in Inverting Input Noise Current Density f = 1kHz 32 pA/√Hz
R
IN
Input Resistance V
IN
= ±13V, V
S
= ±15V ● 225 MΩ
V
IN
= ±3V, V
S
= ±5V ● 225 MΩ
C
IN
Input Capacitance 3pF
Input Voltage Range V
S
= ±15V, T
A
= 25°C ±13 ±13.5 V
● ±12 V
V
S
= ±5V, T
A
= 25°C ±3 ±3.5 V
● ±2V
CMRR Common Mode Rejection Ratio V
S
= ±15V, V
CM
= ±13V, T
A
= 25°C5569dB
V
S
= ±15V, V
CM
= ±12V ● 55 dB
V
S
= ±5V, V
CM
= ±3V, T
A
= 25°C5569dB
V
S
= ±5V, V
CM
= ±2V ● 55 dB
Inverting Input Current V
S
= ±15V, V
CM
= ±13V, T
A
= 25°C 2.5 10 µA/V
Common Mode Rejection V
S
= ±15V, V
CM
= ±12V ● 10 µA/V
V
S
= ±5V, V
CM
= ±3V, T
A
= 25°C 2.5 10 µA/V
V
S
= ±5V, V
CM
= ±2V ● 10 µA/V
PSRR Power Supply Rejection Ratio V
S
= ±2V to ±15V, T
A
= 25°C6080dB
V
S
= ±3V to ±15V ● 60 dB
Noninverting Input Current V
S
= ±2V to ±15V, T
A
= 25°C1050nA/V
Power Supply Rejection V
S
= ±3V to ±15V ● 50 nA/V
Inverting Input Current V
S
= ±2V to ±15V, T
A
= 25°C 0.1 5 µA/V
Power Supply Rejection V
S
= ±3V to ±15V ● 5 µA/V
E
LECTR
IC
AL C CHARA TERIST
ICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Each Amplifier, V
CM
= 0V, ±5V ≤ V
S
= ±15V, pulse tested unless
otherwise noted.