LT1128 Linear Technology Corporation, LT1128 Datasheet - Page 8

• Manufacturer Part Number: LT1128
• Description: Ultra Low Noise Precision High Speed Op Amps
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR
LT1028/LT1128
8
–10V
–10V
0.001
10V
10V
0.01
100
0V
0.1
10
1
10
LT1028
Large-Signal Transient Response
Closed-Loop Output Impedance
LT1128
Large-Signal Transient Response
I
V
T
O
A
S
= 1mA
= 25 C
= 15V
A
A
A
V
V
100
V
= –1, R
= –1, R
= 1000
LT1128
FREQUENCY (Hz)
S
S
1k
1 s/DIV
= R
= R
2 s/DIV
LT1128
LT1028
F
F
= 2k, C
= 2k, C
10k
A
LT1028
F
F
V
= 15pF
= 30pF
= 5
LT1028/1128 • TPC34
100k
W
A
U
1M
CE
–50mV
–50mV
50mV
50mV
100
100
0V
0.1
0.1
10
10
C
1
1
1
1
LT1128
Slew Rate, Gain-Bandwidth Product
vs Over-Compensation Capacitor
HARA TERISTICS
LT1028
Small-Signal Transient Response
LT1128
Small-Signal Transient Response
OVER-COMPENSATION CAPACITOR (pF)
OVER-COMPENSATION CAPACITOR (pF)
SLEW RATE
SLEW RATE
10
10
GBW
GBW
A
C
V
F
C
A
= 15pF, C
= –1, R
V
= 1, C
0.2 s/DIV
0.2 s/DIV
100
100
S
L
= R
L
= 10pF
= 80pF
F
= 2k
LT1028/1128 • TPC35
LT1028/1128 • TPC35
1000
1000
10000
10000
100
100
10
10
1
1
1k
1k
100
0.1
10
18
17
14
12
16
15
13
5
4
2
9
8
7
6
3
0
1
1
–50
–50
1
LT1028
Slew Rate, Gain-Bandwidth
Product Over Temperature
LT1128
Slew Rate, Gain-Bandwidth
Product Over Temperature
LT1028
Slew Rate, Gain-Bandwidth Product
vs Over-Compensation Capacitor
C
V
T
V
A
OC
S
OVER-COMPENSATION CAPACITOR (pF)
S
= 25 C
= 15V
–25
–25
= 15V
FROM PIN 5 TO PIN 6
10
0
TEMPERATURE ( C)
0
SLEW
TEMPERATURE (˚C)
GBW
25
25
FALL
RISE
RISE
100
GBW
50
50
FALL
LT1028/1128 • TPC36
75
75
LT1028/1128 • TPC33
1000
GBW
LT1028/1128 • TPC30
100
100
10000
125
125
1k
100
10
10k
30
20
10
30
90
80
70
60
50
40