Datasheet

10
LT1637
1637fd
CHANGE IN INPUT OFFSET VOLTAGE
(50µV/DIV)
Open-Loop Gain
0V 10V
OUTPUT VOLTAGE (5V/DIV)
C
1637 G24
1637 G25
A: R
L
= 2k
B: R
L
= 10k
C: R
L
= 50k
Large-Signal Response
1637 G26
Small-Signal Response
A
B
–10V
Total Harmonic Distortion + Noise
vs Load Resistance
Total Harmonic Distortion + Noise
vs Output Voltage
LOAD RESISTANCE TO GROUND (Ω)
0.001
THD + NOISE (%)
0.01
0.1
1
1k 10k 100k
1637 G22
0.0001
100
V
S
= 3V TOTAL
A
V
= 1
V
IN
= 1.8V
P-P
AT 1kHz
V
S
= 3V, 0V
V
IN
= 0.3V TO 2.1V
V
S
= ±1.5V
V
IN
= ±0.9V
V
S
= 3V, 0V
V
IN
= 0.6V TO 2.4V
OUTPUT VOLTAGE (V
P-P
)
0.01
THD + NOISE (%)
1
10
023
1637 G23
0.001
1
0.1
R
L
= 10k
V
CM
= HALF SUPPLY
f = 1kHz
FOR A
V
= –1, R
G
= 100k
A
V
= –1, V
S
= 3V, 0V
A
V
= 1
V
S
= ±1.5V
A
V
= 1
V
S
= 3V, 0V
A
V
= 1
V
S
= 3V, 0V
A
V
= –1
V
S
= ±1.5V
V
S
= ±15V
V
S
= ±15V
A
V
= –1
V
S
= ±15V
A
V
= 1
A
B
C
10V
– 10V
50mV
–50mV
Settling Time to 0.1%
vs Output Step
Total Harmonic Distortion + Noise
vs Frequency
Capacitive Load Handling,
Overshoot vs Capacitive Load
TYPICAL PERFOR A CE CHARACTERISTICS
UW
SETTLING TIME (µs)
0
–10
OUTPUT STEP (V)
–8
–4
–2
0
10
4
10
20
1637 G19
–6
6
8
2
30
40
A
V
= 1
A
V
= 1
A
V
= –1
V
S
= ±15V
A
V
= –1
CAPACITIVE LOAD (pF)
10
40
OVERSHOOT (%)
50
60
70
80
100 1000 10000
1637 G20
30
20
10
0
90
100
V
S
= ±2.5V
NO OUTPUT COMPENSATION
A
V
= 1
A
V
= 5
A
V
= 2
A
V
= 10
FREQUENCY (Hz)
10
0.0001
THD + NOISE (%)
0.01
10
100 10k 100k1k
1637 G21
0.001
0.1
1
V
S
= 3V, 0V
V
OUT
= 1.8V
P-P
V
CM
= 1.2V
R
L
=10k
A
V
= –1
A
V
= 1