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參數資料
| 型號： | ADR1581 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 1.25 V Micropower, Precision Shunt Voltage Reference |
| 中文描述： | 1.25 V微，精密并聯電壓基準 |
| 文件頁數： | 3/12頁 |
| 文件大小： | 491K |
| 代理商： | ADR1581 |
ADR1581
SPECIFICATIONS
T
A
= 25°C, I
IN
= 100 μA, unless otherwise noted.
Rev. 0 | Page 3 of 12
Table 1.
Parameter
REVERSE VOLTAGE OUTPUT (SOT-23)
REVERSE VOLTAGE TEMPERATURE DRIFT
40°C to +85°C
MINIMUM OPERATING CURRENT, T
MIN
to T
MAX
REVERSE VOLTAGE CHANGE WITH REVERSE CURRENT
60 μA < I
IN
< 10 mA, T
MIN
to T
MAX
60 μA < I
IN
< 1 mA, T
MIN
to T
MAX
DYNAMIC OUTPUT IMPEDANCE (V
R
/ΔI
R
)
I
IN
= 1 mA ± 100 μA (f = 120 Hz)
OUTPUT NOISE
RMS Noise Voltage: 10 Hz to 10 kHz
Low Frequency Noise Voltage: 0.1 Hz to 10 Hz
TURN-ON SETTLING TIME TO 0.1%
1
OUTPUT VOLTAGE HYSTERESIS
2
TEMPERATURE RANGE
Specified Performance, T
MIN
to T
MAX
Operating Range
3
1
Measured with a no load capacitor.
2
Output hysteresis is defined as the change in the +25°C output voltage after a temperature excursion to 40°C, then to +85°C, and back to +25°C.
3
The operating temperature range is defined as the temperature extremes at which the device continues to function. Parts may deviate from their specified
performance.
ADR1581A
Typ
1.250
2.5
0.8
0.4
20
4.5
5
80
ADR1581B
Typ
1.250
2.5
0.8
0.4
20
4.5
5
80
Unit
V
ppm/°C
μA
mV
mV
Ω
μV rms
μV p-p
μs
μV
°C
°C
Min
1.240
40
55
Max
1.260
100
60
6
1
+85
+125
Min
1.2485
40
55
Max
1.2515
50
60
6
0.5
+85
+125
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