参数资料
型号: REF193GSZ-REEL
厂商: Analog Devices Inc
文件页数: 6/28页
文件大小: 0K
描述: IC VREF SERIES PREC 3V 8-SOIC
标准包装: 2,500
系列: REF19
基准类型: 串联,精度
输出电压: 3V
容差: ±10mV
温度系数: 25ppm/°C
输入电压: 3.2 V ~ 15 V
通道数: 1
电流 - 静态: 15µA
电流 - 输出: 30mA
工作温度: -40°C ~ 85°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)
REF19x Series
ELECTRICAL CHARACTERISTICS—REF191 @ ? 40°C ≤ T A ≤ + 125°C
@ V S = 3.3 V, ?40°C ≤ T A ≤ +125°C, unless otherwise noted.
Table 4.
Data Sheet
Parameter
Symbol
Condition
Min
Typ
Max
Unit
TEMPERATURE COEFFICIENT 1, 2
TCV O /°C
E Grade
F Grade
G Grade 3
LINE REGULATION 4
E Grade
F and G Grades
LOAD REGULATION 4
E Grade
F and G Grades
ΔV O /ΔV IN
ΔV O /ΔV LOAD
I OUT = 0 mA
3.0 V ≤ V S ≤ 15 V, I OUT = 0 mA
V S = 5.0 V, 0 mA ≤ I OUT ≤ 20 mA
2
5
10
10
20
10
20
ppm/°C
ppm/°C
ppm/°C
ppm/V
ppm/V
ppm/mA
ppm/mA
DROPOUT VOLTAGE
V S ? V O
V S = 3.3 V, I LOAD = 10 mA
V S = 3.6 V, I LOAD = 20 mA
1.25
1.55
V
V
1
2
3
4
For proper operation, a 1 μF capacitor is required between the output pin and the GND pin of the device.
TCV O is defined as the ratio of output change with temperature variation to the specified temperature range expressed in ppm/°C.
TCV O = ( V MAX ? V MIN )/ V O ( T MAX ? T MIN )
Guaranteed by characterization.
Line and load regulation specifications include the effect of self-heating.
ELECTRICAL CHARACTERISTICS—REF192 @ T A = 25°C
@ V S = 3.3 V, T A = 25°C, unless otherwise noted.
Table 5.
Parameter
Symbol
Condition
Min
Typ
Max
Unit
INITIAL ACCURACY 1
V O
E Grade
F Grade
G Grade
I OUT = 0 mA
2.498
2.495
2.490
2.500
2.502
2.505
2.510
V
V
V
LINE REGULATION 2
ΔV O /ΔV IN
E Grade
F and G Grades
3.0 V ≤ V S ≤ 15 V, I OUT = 0 mA
2
4
4
8
ppm/V
ppm/V
LOAD REGULATION 2
ΔV O /ΔV LOAD
E Grade
F and G Grades
V S = 5.0 V, 0 mA ≤ I OUT ≤ 30 mA
4
6
10
15
ppm/mA
ppm/mA
DROPOUT VOLTAGE
LONG-TERM STABILITY 3
NOISE VOLTAGE
V S ? V O
DV O
e N
V S = 3.5 V, I LOAD = 10 mA
V S = 3.9 V, I LOAD = 30 mA
1000 hours @ 125°C
0.1 Hz to 10 Hz
1.2
25
1.00
1.40
V
V
mV
μV p-p
1
2
3
Initial accuracy does not include shift due to solder heat effect (see the Applications Information section).
Line and load regulation specifications include the effect of self-heating.
Long-term stability specification is noncumulative. The drift in subsequent 1000-hour periods is significantly lower than in the first 1000-hour period.
Rev. L | Page 6 of 28
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