
LM285 LM385, B
4
MOTOROLA ANALOG IC DEVICE DATA
1.1
t, TIME (ms)
0
1.0
0.9
0.8
0.7
0.6
0.3
0.2
0.1
1.25
1.50
0.75
0.50
0
5.0
0.25
10
0
1.00
OUTPUT
(V)
INPUT
(V)
Input
DUT
Output
100 k
√
100
875
1.0 K
100 k
10 K
10
0
125
250
375
750
625
500
f, FREQUENCY (Hz)
e
n
,NOISE
(nV/
Hz)
125
TA , AMBIENT TEMPERATURE (°C)
1.210
1.220
1.230
1.240
1.250
100
75
50
025
–25
–50
V
(BR)R
,REVERSE
VOL
TAGE
(V)
10
0.01
100
1.0
0.1
1.2
1.0
0.8
0.6
0.4
0.2
0
IF , FORWARD CURRENT (mA)
V
F,
FOR
W
ARD
VOL
TAGE
(V)
TYPICAL PERFORMANCE CURVES FOR LM285–1.2/385–1.2/385B–1.2
0.2
0.4
0.6
0.8
1.0
1.2
10
1.4
100
1.0
0.1
0
V(BR), REVERSE VOLTAGE (V)
Figure 1. Reverse Characteristics
,REVERSE
CURRENT
(
A
)
I R
Figure 2. Reverse Characteristics
0.1
1.0
10
100
0.01
8.0
6.0
4.0
2.0
0
–2.0
10
IR, REVERSE CURRENT (mA)
V
(BR)R
,REVERSE
VOL
TAGE
CHANGE
(mV)
TA = + 85°C
+25
°C
–40
°C
TA = + 85°C
+25
°C
–40
°C
Figure 3. Forward Characteristics
TA = – 40°C
+25
°C
+85
°C
Figure 4. Temperature Drift
IR = 100 A
Figure 5. Noise Voltage
Figure 6. Response Time