Datasheet

LTC1250
4
1250fb
FREQUENCY (Hz)
20
CMRR (dB)
40
80
120
140
1 100 1k 100k
1250 G12
0
10 10k
60
100
V
S
= ±5V
V
CM
= 1V
RMS
SUPPLY VOLTAGE (±V)
2
–8
INPUT COMMON MODE RANGE (V)
–6
–4
–2
0
34
5
6
1250 G11
2
4
6
8
7
8
T
A
= 25°C
TEMPERATURE (°C)
–25
10
100
1000
10075
1250 G09
–50
125
BIAS CURRENT (
|
pA
|
)
50
025
V
S
= ±5V
FREQUENCY (Hz)
0
GAIN (dB)
20
40
60
100
1k 100k 1M 10M
1250 G08
–20
10k
80
0
PHASE MARGIN (DEG)
20
40
60
100
–20
80
GAIN
PHASE:
R
L
= 1k
PHASE:
R
L
= 100k
V
S
= ±5V OR
SINGLE 5V
T
A
= 25°C
C
L
= 100pF
FREQUENCY (Hz)
20
VOLTAGE NOISE (nV/√Hz)
30
40
50
80
1 100 1k 10k
1250 G07
0
10
70
60
10
V
S
= ±5V
R
S
= 10Ω
TEMPERATURE (°C)
–50
SAMPLING FREQUENCY (kHz)
4
5
6
25
1250 G06
3
2
–25 0 50
1
0
8
7
75 100 150
V
S
= ±5V
TEMPERATURE (°C)
–50
2.0
SUPPLY CURRENT (mA)
3.0
4.5
0
50
75
1250 G05
2.5
4.0
3.5
–25
25
100
125
V
S
= ±5V
TEMPERATURE (°C)
–50
INPUT NOISE (µV
P-P
)
0.8
1.0
1.2
25 75
1250 G04
0.6
0.4
–25 0
50 100 125
0.2
0
V
S
= ±5V

0.1Hz TO 10Hz
0.1Hz TO 1Hz
CCHARA TERIST
ICS
UW
AT
Y
P
I
CA
LPER
F
O
R
C
E
Sampling Frequency vs
TemperatureSupply Current vs TemperatureInput Noise vs Temperature
Common Mode Rejection Ratio vs
Frequency
0.2
0
0
–5
INPUT (V)
500µs/DIV
A
V
= 100, R
L
= 100k, C
L
= 50pF, V
S
= ±5V
OUTPUT (V)
Overload Recovery
Common Mode Input Range
vs Supply Voltage
Voltage Noise vs Frequency
Gain/Phase vs Frequency
Bias Current (Magnitude) vs
Temperature