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参数资料
| 型号： | REF198FSZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 8/28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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REF19x Series
ELECTRICAL CHARACTERISTICS—REF193 @ T A = 25°C
@ V S = 3.3 V, T A = 25°C, unless otherwise noted.
Table 8.
Data Sheet
Parameter
Symbol
Condition
Min
Typ
Max
Unit
INITIAL ACCURACY 1
V O
G Grade
I OUT = 0 mA
2.990
3.0
3.010
V
LINE REGULATION 2
ΔV O /ΔV IN
G Grade
3.3 V, ≤ V S ≤ 15 V, I OUT = 0 mA
4
8
ppm/V
LOAD REGULATION 2
ΔV O /ΔV LOAD
G Grade
V S = 5.0 V, 0 mA ≤ I OUT ≤ 30 mA
6
15
ppm/mA
DROPOUT VOLTAGE
LONG-TERM STABILITY 3
NOISE VOLTAGE
V S ? V O
DV O
e N
V S = 3.8 V, I LOAD = 10 mA
V S = 4.0 V, I LOAD = 30 mA
1000 hours @ 125°C
0.1 Hz to 10 Hz
1.2
30
0.80
1.00
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.
ELECTRICAL CHARACTERISTICS—REF193 @ ? 40°C ≤ T A ≤ +85°C
@ V S = 3.3 V, T A = ?40°C ≤ T A ≤ +85°C, unless otherwise noted.
Table 9.
Parameter
Symbol
Condition
Min
Typ
Max
Unit
TCV O /°C
G Grade 3
I OUT = 0 mA
10
25
ppm/°C
LINE REGULATION 4
ΔV O /ΔV IN
G Grade
3.3 V ≤ V S ≤ 15 V, I OUT = 0 mA
10
20
ppm/V
LOAD REGULATION 4
ΔV O /ΔV LOAD
G Grade
V S = 5.0 V, 0 mA ≤ I OUT ≤ 25 mA
10
20
ppm/mA
DROPOUT VOLTAGE
V S ? V O
V S = 3.8 V, I LOAD = 10 mA
V S = 4.1 V, I LOAD = 30 mA
0.80
1.10
V
V
SLEEP PIN
Logic High Input Voltage
Logic High Input Current
Logic Low Input Voltage
Logic Low Input Current
SUPPLY CURRENT
Sleep Mode
V H
I H
V L
I L
No load
No load
2.4
?8
0.8
?8
45
15
V
μA
V
μA
μA
μA
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.
Rev. L | Page 8 of 28
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