LT1793 Linear Technology, LT1793 Datasheet - Page 6

• Manufacturer Part Number: LT1793
• Description: Low Noise/ Picoampere Bias Current/ JFET Input Op Amp
• Manufacturer: Linear Technology

LT1793
TYPICAL PERFOR
6
0.0001
0.001
Small-Signal Transient Response
0.01
A
C
V
50
40
20
10
30
0.1
V
L
S
0
= 1
= 10pF
= 15V, 5V
0.1
1
Capacitive Load Handling
20
THD and Noise vs Frequency for
Inverting Gain
V
T
R
V
A
R
C
A
S
L
O
V
F
F
Z
V
A
MEASUREMENT BANDWIDTH
= 10Hz TO 80kHz
L
O
V
= 25 C
= 20pF
= 15V
= 10
= 10k
= 100mV
= 2k
= 20V P-P
= – 1, – 10, – 100
10k
1
A
100
A
V
CAPACITIVE LOAD (pF)
V
15pF
P-P
= 10
= 1
1 s/DIV
FREQUENCY (Hz)
NOISE FLOOR
10
A
100
1k
A
V
V
= – 10
= – 100
1000
W
1793 G10
A
V
A
1793 G13
= – 1
10k
1793 G16
10000
U
20k
CE
C
0.0001
0.001
HARA TERISTICS
0.01
90
75
15
60
45
30
Large-Signal Transient Response
A
C
R
V
0.1
0
V
L
S
L
1
= 10pF
= 1
= 2k
= 15V
0
Warm-Up Drift
0.3
V
T
THD and Noise vs Output
Amplitude for Inverting Gain
A
S
Z
A
MEASUREMENT BANDWIDTH
= 10Hz TO 22kHz
= 15V
= 25 C
L
V
TIME AFTER POWER ON (MINUTES)
= 2k
= –1, –10, –100
1
C
OUTPUT SWING (V
1
15pF, f
2
5 s/DIV
SO-8 PACKAGE
O
N8 PACKAGE
= 1kHz
A
3
A
V
V
A
= –100
V
= –10
= –1
4
P-P
)
10
1793 G11
5
1793 G14
1793 G17
6
30
V
V
0.0001
0.0001
+
0.001
0.001
–
0.01
0.01
–0.8
–1.4
–1.0
–1.2
–1.6
+1.0
0.1
0.1
2.0
1.8
1.6
1.4
1.2
1
1
0.3
–10
20
Output Voltage Swing
vs Load Current
THD and Noise Frequency for
Noninverting Gain
THD and Noise vs Output
Amplitude for Noninverting Gain
Z
V
A
MEASUREMENT BANDWIDTH
= 10Hz TO 80kHz
Z
A
MEASUREMENT BANDWIDTH
= 10Hz TO 22kHz
L
L
O
V
V
–8
I
SINK
= 2k
= 2k
= 1, 10, 100
= 1, 10, 100
= 20V P-P
A
V
–6 –4
–55 C
100
= 10
OUTPUT SWING (V
OUTPUT CURRENT (mA)
1
15pF
15pF, f
A
V
FREQUENCY (Hz)
NOISE FLOOR
V
S
= 100
= 5V TO 20V
–2
25 C
O
125 C
= 1kHz
A
A
–55 C
25 C
0
V
A
V
V
= 100
1k
= 10
= 1
A
2
V
= 1
P-P
4
)
10
125 C
6
I
10k
1793 G18
SOURCE
1793 G15
1793 G12
8
20k
30
10