AMS255(OLD) 查看數據表（PDF） - Advanced Monolithic Systems Inc
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AMS255 Datasheet PDF : 4 Pages
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AMS255
TYPICAL APPLICATIONS
Precision 1µA to 1mA Current Sources
AMS255
R1
20k
IOUT*
-1.0V TO -12V
2-
8
1/2
1
LMC6062
3+
4
R2
-15V
IOUT=2.5V/R2
R1
20k
1.0V TO 12V
IOUT*
12V
AMS255
2-
8
1/2
1
LMC6062
3+
4
R2
TYPICAL PERFORMANCE CHARACTERISTICS
Temperature Drift for Different
Average Temperature Coefficient
+0.5
+0.4
IR = 150 µ A
+0.3
+0.2
+0.1
+12ppm/° C
0
-0.1
-0.2
-22ppm/° C
-0.3
-51ppm/° C
-0.4
-0.5
-40 -20 0 20 40 60 80 100
TEMPERATURE ( ° C)
Reverse Characteristics and
Minimum Operating Current
120
TJ =25° C
100
80
60
40
20
0
0
2
4
6
8 10
REVERSE VOLTAGE (V)
Noise Voltage vs Frequency
10
IR = 200 µ A
5.0
TJ =25° C
2.0
1.0
0.5
0.2
0.1
1
10 100 1k 10k 100k
FREQUENCY (Hz)
Ouput Impedance vs Frequency
1k
IR= 100 mA
TJ =25° C, ∆IR= 0.1I R
100
C L= 0
10
CL= 1 µF
TANTALUM
1
0.1
100
XC L
1k 10k 100k 1M
FREQUENCY (Hz)
Ouput Impedance vs Frequency
1k
IR= I RMIN+100µA
TJ =25° C, ∆IR= 0.1I R
CL= 0
100
10
CL= 1 µF
TANTALUM
1
0.1
100
XC L
1k 10k 100k 1M
FREQUENCY (Hz)
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
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