Category
CD2925
Voltage Reference
2.5V, 100ppm/° C, 50 µ A input series (bandgap) voltage reference using a 3-pin SOT-23 package
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Description
The CD29xx is a precision, low-power, low-voltage dropout voltage reference family available in a tiny 3‑pin SOT-23 package.
The small size and low power consumption (50 µA maximum) of the CD29xx make it ideal for portable and battery-powered applications. The CD29xx does not require a load capacitor, but it is stable with any capacitive load.
Unloaded, the CD29xx can be operated with supplies within 1 mV of output voltage. All models are specified for the wide temperature range, –40°C to 125℃.
The small size and low power consumption (50 µA maximum) of the CD29xx make it ideal for portable and battery-powered applications. The CD29xx does not require a load capacitor, but it is stable with any capacitive load.
Unloaded, the CD29xx can be operated with supplies within 1 mV of output voltage. All models are specified for the wide temperature range, –40°C to 125℃.
Parameters
Features
Application
- Output Voltage(V):2.5
- reference Voltage(V):-
-
Minimum input voltage(V):2.501
-
Maximum input voltage(V):5.5
- Maximum initial accuracy(%):2
- maximum output current(mA):25
- Reference voltage temperature drift (typical value)(ppm/℃):35
- Static current (typical value)(mA):0.042
- Low Dropout: 1 mV
- High Output Current: 25 mA
- Low Temperature Drift: Maximum of 100 ppm/°C
- High Accuracy: 2%
- Low IQ: Maximum of 50 µA
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Portable, Battery-Powered Equipment
-
Data Acquisition Systems
-
Medical Equipment
-
Hand-Held Test Equipment
Parameters
Part Number
Package
Vin (Min) (V)
Vin (Max) (V)
Vout (Min) (V)
Vout (Max) (V)
Iout (Max) (A)
Iq Typ (mA)
Reference Voltage (V)
Initial Accuracy (Max) (%)
Temp Coeff Typ (ppm/°C)
Temp Range(°C)
CD2925AST-2.5V
Datasheet
CD29xx是一种精密、低功耗、低压差电压参考系列，可在小型3引脚SOT-23封装中使用。 CD29xx体积小、功耗低（最大50µA），是便携式和电池供电应用的理想选择。CD29xx不需要负载电容器，但它对任何电容性负载都是稳定的。 在无负载的情况下，CD29xx可以在输出电压1mV以内的电源下运行。所有型号都适用于-40°C至125°C的宽温度范围。
Datasheet
PackageSOT23-3
Vin (Min) (V)
2.5
Vin (Max) (V)
--
Vout (Min) (V)
2.501
Vout (Max) (V)
5.5
Iout (Max) (A)
2
Iq Typ (mA)
25
Reference Voltage (V)
35
Initial Accuracy (Max) (%)
0.042
Temp Coeff Typ (ppm/°C)
Temp Range(°C)
-40 to 125
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