Datasheet

LM285, LM385B
http://onsemi.com
4
1.1
t, TIME (ms)
0 1.00.90.80.70.60.30.20.1
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k10K10
0
125
250
375
750
625
500
f, FREQUENCY (Hz)
e
n
, NOISE (nV/ Hz)
125
T
A
, AMBIENT TEMPERATURE (°C)
1.210
1.220
1.230
1.240
1.250
1007550025-25-50
V
(BR)R
, REVERSE VOLTAGE (V)
100.01 1001.00.1
1.2
1.0
0.8
0.6
0.4
0.2
0
I
F
, FORWARD CURRENT (mA)
V
F
, FORWARD VOLTAGE (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)
, REVERSE CURRENT (A)μI
R
0.1 1.0 10 1000.01
8.0
6.0
4.0
2.0
0
-2.0
10
I
R
, REVERSE CURRENT (mA)
V
(BR)R
, REVERSE VOLTAGE CHANGE (mV)Δ
T
A
= +85°C
+25°C
-40°C
T
A
= +85°C
+25°C
-40°C
T
A
= -40°C
+25°C
+85°C
I
R
= 100 mA
Figure 2. Reverse Characteristics Figure 3. Reverse Characteristics
Figure 4. Forward Characteristics Figure 5. Temperature Drift
Figure 6. Noise Voltage
Figure 7. Response Time