参数资料
型号: ADR291FRZ-REEL
厂商: Analog Devices Inc
文件页数: 3/20页
文件大小: 0K
描述: IC VREF SERIES PREC 2.5V 8-SOIC
标准包装: 2,500
系列: XFET®
基准类型: 串联,精度
输出电压: 2.5V
容差: ±0.12%
温度系数: 20ppm/°C
输入电压: 2.8 V ~ 15 V
通道数: 1
电流 - 静态: 15µA
电流 - 输出: 5mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 带卷 (TR)

ADR291/ADR292
SPECIFICATIONS
ADR291 ELECTRICAL SPECIFICATIONS
V S = 3.0 V to 15 V, T A = 25°C, unless otherwise noted.
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
E GRADE
Output Voltage
Initial Accuracy
V OUT
V OERR
I OUT = 0 mA
2.498
–2
2.500
2.502
+2
V
mV
F GRADE
–0.08
+0.08
%
Output Voltage
Initial Accuracy
V OUT
V OERR
I OUT = 0 mA
2.497
–3
2.500
2.503
+3
V
mV
G GRADE
–0.12
+0.12
%
Output Voltage
Initial Accuracy
V OUT
V OERR
I OUT = 0 mA
2.494
–6
2.500
2.506
+6
V
mV
LINE REGULATION
–0.24
+0.24
%
E/F Grades
G Grade
?V OUT /?V IN
I OUT = 0 mA
30
40
100
125
ppm/V
ppm/V
LOAD REGULATION
E/F Grades
G Grade
LONG-TERM STABILITY
NOISE VOLTAGE
WIDEBAND NOISE DENSITY
?V OUT /?I LOAD
?V OUT
e N
e N
V S = 5.0 V, I OUT = 0 mA to 5 mA
After 1000 hours of operation @ 125°C
0.1 Hz to 10 Hz
@ 1 kHz
30
40
50
8
480
100
125
ppm/mA
ppm/mA
ppm
μV p-p
nV/√Hz
V S = 3.0 V to 15 V, T A = ?25°C to +85°C, unless otherwise noted.
Table 3.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
TEMPERATURE COEFFICIENT
E Grade
F Grade
G Grade
TCV OUT
I OUT = 0 mA
3
5
10
8
15
25
ppm/°C
ppm/°C
ppm/°C
LINE REGULATION
E/F Grades
G Grade
?V OUT /?V IN
I OUT = 0 mA
35
50
125
150
ppm/V
ppm/V
LOAD REGULATION
E/F Grades
G Grade
?V OUT /?I LOAD
V S = 5.0 V, I OUT = 0 mA to 5 mA
20
30
125
150
ppm/mA
ppm/mA
Rev. F | Page 3 of 20
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