Datasheet

®
REF200
3
TYPICAL PERFORMANCE CURVES
At T
A
= +25°C, V
S
= +15V, unless otherwise noted.
100.1
100
99.9
99.8
99.7
99.6
99.5
–25–50 25 7550 1251000
Temperature (°C)
Current (µA)
85°C
Drift specified by
“box method”
(See text)
CURRENT SOURCE
TYPICAL DRIFT vs TEMPERATURE
600
500
400
300
200
100
0
5010
Temperature Drift (ppm/°C)
Quantity (Units)
Distribution of three
production lots —
1284 Current Sources.
2015 25 3530 40 5045 55 6560
2
5
117
30
15
6
0
11
501
454
86
66
CURRENT SOURCE
TEMPERATURE DRIFT DISTRIBUTION
101
100.8
100.6
100.4
100.2
100
99.8
99.6
99.4
99.2
Current (µA)
99
0 5 10 15 20 25 30 35 40
Voltage (V)
CURRENT SOURCE
OUTPUT CURRENT vs VOLTAGE
CURRENT SOURCE
OUTPUT CURRENT vs VOLTAGE
0
100.5
100.4
100.3
100.2
100.1
100
99.9
99.8
99.7
99.6
99.5
Voltage (V)
12345
Current (µA)
–55°C
25°C
125°C
1000
900
800
700
600
500
400
300
200
100
Reverse Current (µA)
0
0–2468
–10
–12
Reverse Voltage (V)
CURRENT SOURCE
REVERSE CURRENT vs REVERSE VOLTAGE
Reverse Voltage
Circuit Model
12k
7V
5k
Safe Reverse Current
Safe Reverse Voltage
Output Current (500pA/div)
CURRENT SOURCE
CURRENT NOISE (0.1Hz to 10Hz)
Time
(
500ms/div
)