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参数资料
| 型号： | REF198FSZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/28页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES PREC 4.096V 8SOIC |
| 标准包装： | 2,500 |
| 系列： | REF19 |
| 基准类型： | 串联，精度 |
| 输出电压： | 4.096V |
| 容差： | ±5mV |
| 温度系数： | 10ppm/°C |
| 输入电压： | 3.4 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) |
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Data Sheet
ELECTRICAL CHARACTERISTICS—REF193 @ T A ≤ ? 40°C ≤ +125°C
@ V S = 3.3 V, –40°C ≤ T A ≤ +125°C, unless otherwise noted.
Table 10.
REF19x Series
Parameter
Symbol
Condition
Min
Typ
Max
Unit
TEMPERATURE COEFFICIENT 1, 2
TCV O /°C
G Grade 3
LINE REGULATION 4
G Grade
LOAD REGULATION 4
G Grade
ΔV O /ΔV IN
ΔV O /ΔV LOAD
I OUT = 0 mA
3.3 V ≤ V S ≤ 15 V, I OUT = 0 mA
V S = 5.0 V, 0 mA ≤ I OUT ≤ 20 mA
10
20
10
ppm/°C
ppm/V
ppm/mA
DROPOUT VOLTAGE
V S ? V O
V S = 3.8 V, I LOAD = 10 mA
V S = 4.1 V, I LOAD = 20 mA
0.80
1.10
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—REF194 @ T A = 25°C
@ V S = 5.0 V, T A = 25°C, unless otherwise noted.
Table 11.
Parameter
Symbol
Condition
Min
Typ
Max
Unit
INITIAL ACCURACY 1
V O
E Grade
G Grade
I OUT = 0 mA
4.498
4.490
4.5
4.502
4.510
V
V
LINE REGULATION 2
?V O /?V IN
E Grade
G Grade
4.75 V ≤ V S ≤ 15 V, I OUT = 0 mA
2
4
4
8
ppm/V
ppm/V
LOAD REGULATION 2
?V O /?V LOAD
E Grade
G Grade
V S = 5.8 V, 0 mA ≤ I OUT ≤ 30 mA
2
4
4
8
ppm/mA
ppm/mA
DROPOUT VOLTAGE
LONG-TERM STABILITY 3
NOISE VOLTAGE
V S ? V O
DV O
e N
V S = 5.00 V, I LOAD = 10 mA
V S = 5.8 V, I LOAD = 30 mA
1000 hours @ 125°C
0.1 Hz to 10 Hz
2
45
0.50
1.30
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 9 of 28
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