Datasheet

8
LT1637
1637fd
Input Noise Current vs Frequency
0.1Hz to 10Hz Noise Voltage
Noise Voltage Density
vs Frequency
Output Saturation Voltage
vs Load Current (Output High)
Output Saturation Voltage
vs Input Overdrive
Output Saturation Voltage
vs Load Current (Output Low)
SOURCING LOAD CURRENT (mA)
0.0001 0.001
0.01
OUTPUT SATURATION VOLTAGE (V)
0.1
1
0.01 0.1 1 10 100
1637 G04
V
S
= 5V, 0V
V
OD
= 30mV
T
A
= 25°C
T
A
= 125°C
T
A
= –55°C
SINKING LOAD CURRENT (mA)
0.0001 0.001
0.001
0.01
OUTPUT SATURATION VOLTAGE (V)
0.1
1
10
0.01 0.1 1 10 100
1637 G05
V
S
= 5V, 0V
V
OD
= 30mV
T
A
= 125°C
T
A
= –55°C
T
A
= 25°C
INPUT OVERDRIVE (mV)
0
OUTPUT SATURATION VOLTAGE (mV)
60
80
100
80
1637 G06
40
20
50
70
90
30
10
0
20
40
60
10 90
30
50
70
100
OUTPUT HIGH
OUTPUT LOW
V
S
= 5V, 0V
NO LOAD
FREQUENCY (Hz)
1
INPUT NOISE CURRENT DENSITY (pA/√Hz)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
10 100 1000
1637 G09
V
S
= ±15V
FREQUENCY (Hz)
1
20
INPUT NOISE VOLTAGE DENSITY (nV/√Hz)
50
60
70
10 100 1000
1637 G08
40
30
V
S
= ±15V
TIME (s)
0
NOISE VOLTAGE (200nV/DIV)
8
1637 G07
2
4
6
19
3
5
7
10
V
S
= ± 2.5V
Supply Current vs Supply Voltage
Input Bias Current
vs Common Mode Voltage
Minimum Supply Voltage
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TOTAL SUPPLY VOLTAGE (V)
0 10203040
SUPPLY CURRENT (µA)
1637 G01
400
350
300
250
200
150
100
50
0
T
A
= 125°C
T
A
= 25°C
T
A
= –55°C
TOTAL SUPPLY VOLTAGE (V)
0
1 2 3 4 5
CHANGE IN INPUT OFFSET VOLTAGE (µV)
1637 G02
400
300
200
100
0
–100
–200
–300
–400
T
A
= 125°C
T
A
= –55°C
T
A
= 25°C
COMMON MODE VOLTAGE (V)
4 4.2 4.4 4.6 4.8 5 10 20 30 40 50
INPUT BIAS CURRENT (µA)
40
30
20
10
0.12
0.08
0.04
0
0.04
0.08
1637 G03
V
S
= 5V, 0V
T
A
= 125°C
T
A
= –55°C
T
A
= 25°C