lt1002amj Linear Technology Corporation, lt1002amj Datasheet - Page 6

• Manufacturer Part Number: lt1002amj
• Description: Dual, Matched Precision Operational Amplifier
• Manufacturer: Linear Technology Corporation

LT1002
TYPICAL PERFORMANCE CHARACTERISTICS
6
1200k
1000k
800k
600k
400k
200k
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
0
0
0
–50
–50
Matching and Individual Amplifier
Bias and Offset Currents vs Temperature
Open Loop Voltage Gain
vs Temperature
Open Loop Gain Mismatch
vs Frequency
1
–25
–25
PERCENT GAIN MISMATCH =
1
10
MATCHING: NON INVERTING
/
2
OUTPUT A – OUTPUT B
(OUTPUT A + OUTPUT B)
BIAS CURRENT
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
FREQUENCY (Hz)
100
25
25
V
V
S
50
S
50
= 15V, V
= 3V, V
1k
75
75
W
V
V
T
O
S
A
10k
S
O
= 15V
= 1V
100%
= 25 C
= 15V
100
= 12V
100
1001 G10
1002 G13
1002 G16
U
100k
125
125
0.001
–1.0
–1.5
0.01
–20
100
140
120
100
1.5
1.0
0.5
–.5
0.1
10
80
60
40
20
0
1
0
–15
0.1
Open Loop Voltage Gain
Frequency Response
Closed Loop Output Impedance
1
Input Bias Current
Over the Common Mode Range
DEVICE WITH POSITIVE INPUT CURRENT
DEVICE WITH NEGATIVE INPUT CURRENT
1
–10
A
COMMON-MODE INPUT VOLTAGE
COMMON-MODE
INPUT RESISTANCE =
V
10
= 1000
10
–5
FREQUENCY (Hz)
FREQUENCY (Hz)
100
100
V
S
= 3V
V
1k
0
A
S
V
V
= 15V
CM
= +1
T
1k
10k
A
0.1nA
V
T
28V
= 25 C
5
S
A
= 15V
= 25 C
100k
I
V
T
O
I
S
A
b
= 1mA
= 280G
10k
= 25 C
= 15V
–
+
10
1M
1002 G11
1002 G17
1002 G14
100k
10M
15
–4
–8
20
16
12
8
4
0
0.1
Gain, Phase Shift vs. Frequency
160
140
120
100
PHASE MARGIN –55 C = 63
V
30
20
10
80
60
40
20
S
0
0
GAIN 25 C & –55 C
0.1
0.1
= 15V
Input Bias Current vs.
Differential Input Voltage
Power Supply Rejection and
PSRR Match vs Frequency
V
T
GAIN 125 C
S
A
0.2
I
= 25 C
B
NEGATIVE SUPPLY
= 15V
1
0.3
FREQUENCY (MHz)
1 nA
DIFFERENTIAL INPUT (VOLTS)
MATCH (POSITIVE SUPPLY)
POSITIVE SUPPLY
125 C = 57
10
FREQUENCY (Hz)
1.0
0.5
MATCH (NEGATIVE SUPPLY)
PHASE 25 C
100
MARGIN
PHASE
= 60
25 C
V
T
3.0
S
A
= 25 C
= 15V 2V pp
1
1k
1002 G15
10
10k
1002 G18
1002 G12
2
80
100
120
140
160
180
200
220
1002fb
100k
30