Datasheet

LT1630/LT1631
12
16301fa
Typical perForMance characTerisTics
0.1Hz to 10Hz Output
Voltage Noise Gain and Phase vs Frequency
Gain Bandwidth and Phase
Margin vs Supply Voltage
CMRR vs Frequency PSRR vs Frequency Channel Separation vs Frequency
Minimum Supply Voltage Noise Voltage Spectrum Current Noise Spectrum
TOTAL SUPPLY VOLTAGE (V)
1
0
CHANGE IN OFFSET VOLTAGE (µV)
50
100
150
200
2 3
4
5
1630/31 G07
250
300
T
A
= 125°C T
A
= –55°C
T
A
= 25°C
FREQUENCY (Hz)
1
NOISE VOLTAGE (nV/√Hz)
10 100 1000
11630/31 G09
35
30
25
20
15
10
5
0
V
S
= 5V, 0V
V
CM
= 2.5V
PNP ACTIVE
V
CM
= 4.25V
NPN ACTIVE
FREQUENCY (Hz)
1
4
CURRENT NOISE (pA/√Hz)
5
6
7
8
10 100 1000
1630/31 G10
3
2
1
0
9
10
V
S
= 5V, 0V
V
CM
= 2.5V
PNP ACTIVE
V
CM
= 4.25V
NPN ACTIVE
TIME (1s/DIV)
OUTPUT VOLTAGE (200nV/DIV)
1630/31 G25
V
S
=5V, 0V
V
CM
= V
S
/2
FREQUENCY (MHz)
VOLTAGE GAIN (dB)
PHASE SHIFT (DEG)
80
70
60
50
40
30
20
10
0
–10
–20
180
135
90
45
0
–45
–90
–135
–180
–225
–270
0.01 1 10 100
1630/31 G11
0.1
PHASE
GAIN
R
L
= 1k
V
S
= 3V, 0V
V
S
= ±15V
TOTAL SUPPLY VOLTAGE (V)
0
GAIN BANDWIDTH (MHz)
PHASE MARGIN (DEG)
5
10
15 20
1630/31 G14
25
50
45
40
35
30
25
20
15
10
5
0
100
90
80
70
60
50
40
30
20
10
0
30
PHASE MARGIN
GAIN BANDWIDTH
V
CM
= V
S
/2
FREQUENCY (Hz)
40
COMMON MODE REJECTION RATIO (dB)
60
80
70
100
120
30
50
90
110
1k 100k 1M 10M
1630/31 G12
20
10k
V
S
= ±15V
V
S
= 5V, 0V
FREQUENCY (Hz)
POWER SUPPLY REJECTION RATIO (dB)
100
90
80
70
60
50
40
30
20
10
0
1k 100k 1M 10M
1630/31 G13
10k
V
S
= ±15V
POSITIVE SUPPLY
NEGATIVE SUPPLY
FREQUENCY (Hz)
10
CHANNEL SEPARATION (dB)
100 1k 10k 100k 1M
1630/31 G15
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140