Datasheet

6
LT1634
1634fb
REVERSE VOLTAGE (V)
0
REVERSE CURRENT (µA)
4
6
1.6
1634-1.25 G01
2
0
0.4
0.8
1.2
10
8
T
A
= –40°C TO 85°C
Reverse Characteristics
REVERSE CURRENT (mA)
2
1
REVERSE VOLTAGE CHANGE (mV)
3
4
0.01 1 10 100
1634-1.25 G03
0
0.1
T
A
= –40°C TO 85°C
TEMPERATURE (°C)
–40
REVERSE VOLTAGE CHANGE (mV)
1.5
0
1634-1.25 TA02
0
–1.0
–20 20
–1.5
–2.0
2.0
1.0
0.5
–0.5
40 60 80
10µA
100µA
200µA
500µA
1mA
Temperature Drift
Reverse Voltage Change
vs Current
REVERSE CURRENT (mA)
1
10
DYNAMIC IMPEDANCE (Ω)
100
0.001 0.1 1 100
1634-1.25 G04
0.1
0.01
10
T
A
= 25°C
f = 25Hz
Reverse Dynamic Impedance
Forward Characteristics
FORWARD CURRENT (mA)
0.4
FORWARD VOLTAGE (V)
0.8
1.2
0.01 1 10 100
1634-1.25 G06
0
0.1
T
A
= 25°C
0.1Hz to 10Hz Noise
TIME (SEC)
0
NOISE VOLTAGE (µV/DIV)
8
6
4
2
0
–2
–4
–6
–8
40
1634-1.25 G07
10
20
30
50 60 70
T
A
= –40°C TO 85°C
I
R
= 10µA
0V
20ms/DIV
1634-1.25 G09
I
R
= 10µA
C
OUT
= 0.1µF
OUT
Response Time
Response Time
200µs/DIV
1634-1.25 G08
I
R
= 10µA
C
OUT
= 0
OUT
IN
FREQUENCY (kHz)
DYNAMIC IMPEDANCE (Ω)
0.01 1 10 100
1634-1.25 G05
0.1
10000
1000
100
10
1
0.1
I
R
= 10µA
C
OUT
= 0µF
I
R
= 10µA
C
OUT
= 0.022µF
I
R
= 100µA
C
OUT
= 0.47µF
I
R
= 100µA
C
OUT
= 0µF
T
A
= 25°C
Dynamic Impedance vs Frequency
1.25V TYPICAL PERFOR A CE CHARACTERISTICS
UW
0V
1.5V
0V
0.5V
1V
5V
1.5V
1V
0.5V
5V
0V
IN