LT1462 Linear Technology, LT1462 Datasheet - Page 6

• Manufacturer Part Number: LT1462
• Description: Dual/Quad Micropower/ 260uW C-Load Picoampere Bias Current JFET Input Op Amps
• Manufacturer: Linear Technology

LT1462/LT1463
6
TYPICAL PERFORMANCE CHARACTERISTICS
–10
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0V
0
0
1
1
Gain and Phase vs Frequency
Phase Margin vs C
Large-Signal Response,
V
A
C
V
L
V
T
S
V
T
S
A
= 10pF
= 1
S
A
= 15V
= 15V
= 25 C
= 25 C
= 15V
10
CAPACITIVE LOAD (pF)
10
FREQUENCY (kHz)
PHASE
GAIN
0.1ms/DIV
100
LOAD
100
1000
W
LT1462 • TPC10
LT1462 • TPC16
LT1462 • TPC13
U
10000
1000
120
100
80
60
40
20
0
–20
–40
95
90
80
85
0V
–75
100
Common Mode and Power Supply
Rejections vs Temperature
80
60
40
20
Small-Signal Response,
V
A
C
V
V
0
S
V
L
10
S
S
Common Mode Rejection Ratio vs
Frequency
= 1
= 10pF
–50
= 2.5V TO 20V FOR PSRR
= 15V, V
= 5V, 15V
–25
100
TEMPERATURE ( C)
PSRR
CM
0
= –12V TO 15V FOR CMRR
FREQUENCY (Hz)
CMRR
5 s/DIV
1k
25
50
10k
75
LT1462 • TPC14
V
T
LT1462 • TPC17
100k
100
A
S
= 15V
= 25 C
LT1462 • TPC11
125
1M
120
100
100
10k
0.1
80
60
40
20
10
1k
0V
0
1
10
10
Power Supply Rejection Ratio vs
Frequency
Closed-Loop Output Impedance
Small-Signal Response,
V
A
C
T
A
V
T
A
V
L
S
A
S
V
= 1000pF
= 25 C
= 1
= 5V, 15V, C
= 25 C
= 15V
= 1
100
100
NEGATIVE
SUPPLY
FREQUENCY (Hz)
FREQUENCY (Hz)
1k
1k
50 s/DIV
POSITIVE
SUPPLY
10k
C
10k
L
L
= 1000pF
= 1000pF
100k
C
100k
L
LTC1462 • TPC12
C
= 10nF
LT1462 • TPC15
L
LT1462 • TPC18
= 0pF
1M
1M