LT1122 Linear Technology, LT1122 Datasheet - Page 6

• Manufacturer Part Number: LT1122
• Description: Fast Settling/ JFET Input Operational Amplifier
• Manufacturer: Linear Technology

6
LT1122
TYPICAL PERFOR
0.0001
0.001
250
200
150
100
0.01
800
600
400
200
50
0.1
1
0
–900
20
Total Harmonic Distortion
+ Noise vs Frequency
Inverting Gain
Warm-up Drift
0
Distribution of Input Offset
Voltage
3370 UNITS TESTED
IN ALL PACKAGES
V = ±15V
T = 25°C
A
S
TIME AFTER POWER ON (MINUTES)
100
–500
INPUT OFFSET VOLTAGE ( V)
1
FREQUENCY (Hz)
–100 100
IN STILL AIR (SO PACKAGE
SOLDERED ONTO BOARD)
1k
A = –50
A = –10
V = 15V
T = 25 C
(NOT WARMED UP)
A = –1
A
V
V
S
V
2
T = 25°C
V = ±15V
Z = 5k//15pF
V = 7V RMS
SO PACKAGE
A
S
L
O
N PACKAGE
J PACKAGE
W
500
LT1122•TPC11
LT1122•TPC08
LT1122•TPC05
A
10k
U
20k
900
3
CE
C
0.0001
HARA TERISTICS
1000
0.001
100K
100
0.01
30K
10K
300
100
10
0.1
3K
1K
30
10
3
1
1
20
Input Bias and Offset Currents
Over Temperature
0
Total Harmonic Distortion
+ Noise vs Frequency
Non-Inverting Gain
Noise Spectrum
A = +10
A = +1
V
3
V
C
100
25
CHIP TEMPERATURE (°C)
10
A = +50
FREQUENCY (Hz)
FREQUENCY (Hz)
V
30
50
100 300
CURRENT
1k
75
V = ±15V
V
BIAS
CM
S
T = 25°C
V = ±15V
Z = 5k//15pF
V = 7V RMS
V = ±15V
T = 25°C
OFFSET
CURRENT
= 0V
A
S
L
O
A
S
1k
100
LT1122•TPC09
LT1122•TPC06
LT1122•TPC12
3k
10k
125
10k
20k
0.0001
0.001
120
100
0.01
80
60
40
20
0.1
0
–15
3k
0
*SEE LT1115 DATA SHEET FOR DEFINITION
Bias and Offset Currents Over
The Common-Mode Range
0.1Hz to 10Hz Noise
Intermodulation Distortion
(CCIF Method) vs Frequency
LT1122 and LF156*
OF CCIF TESTING
COMMON-MODE INPUT VOLTAGE (V)
–10
2
–5
TIME (SECONDS)
FREQUENCY (Hz)
CURRENT
4
OFFSET
LF156
0
(NOT-WARMED UP)
10k
V = ±15V
T = 25°C
A
S
6
CURRENT
V = ±15V
T = 25°C
A = –10
V = 7V RMS
Z = 5k//15pF
LT1122
5
S
A
V
O
L
BIAS
8
10
LT1122•TPC07
LT1122•TPC13
LT1122•TPC10
20k
15
10