LM185-1.2/
LM285-1.2/LM385-1.2
TYPICAL PERFOR A CE CHARACTERISTICS
Reverse Characteristics
100
–55°C TO 125°C
1.2
REVERSE CURRENT (µA)
FORWARD VOLTAGE (V)
10
1
0.1
0
0.2
Temperature Drift
1.245
DYNAMIC IMPEDANCE (Ω)
1.240
10
DYNAMIC IMPEDANCE (Ω)
REVERSE VOLTAGE (V)
1.235
1.230
–55 –35 –15
5 25 45 65 85 105 125
TEMPERATURE (°C)
185/285/385 G03
Noise Voltage
700
600
INTEGRATED NOISE (µV
RMS
)
I
R
= 100µA
500
NOISE (nV/√Hz)
400
300
200
100
0
10
R
40
C
30
20
10
0
100
VOLTAGE (V)
100
1k
10k
FREQUENCY (Hz)
4
U W
100k
185/285/385 G06
Foward Characteristics
T
A
= 25°C
0.8
0.4
0.4 0.6 0.8 1.0
REVERSE VOLTAGE (V)
1.2
1.4
0
0.01
1
10
0.1
FORWARD CURRENT (mA)
100
185/285/385 G02
185/285/385 G01
Reverse Dynamic Impedance
100
–55°C TO 125°C
f = 25Hz
10k
Reverse Dynamic Impedance
T
A
= 25°C
I
R
= 100µA
1k
100
10
1
1
0.1
0.01
1
10
0.1
REVERSE CURRENT (mA)
100
185/285/385 G04
0.1
10
100
10k
1k
FREQUENCY (Hz)
100k
1M
185/285/385 G05
Filtered Output Noise
70
60
50
100µA
2.0
I
R
= 100µA
RC LOW PASS
1.5
1.0
0.5
0
5
Response Time
OUTPUT
V
IN
36k
V
OUT
INPUT
0
–5
–100
1k
10k
CUTOFF FREQUENCY (Hz)
100k
185/285/385 G07
0
100
200
300
TIME (µs)
400
500
185/285/385 G08
LINER [ LINEAR TECHNOLOGY ]
