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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

The AD688 series high-precision Voltage Reference with flexible output force and sense terminals. Low tracking error, low initial error and low temperature drift give the AD688 reference absolute ±10V accuracy performance previously unavailable in monolithic form. The AD688 uses a proprietary ion-implanted buried zener diode and laser wafer drift trimming of high stability thin-film resistors to provide outstanding performance. The AD688 includes the basic reference cell and three additional amplifiers. The amplifiers are laser-trimmed for low offset and low drift and maintain the accuracy of the reference. The amplifiers are configured to allow Kelvin connections to the load or boosters for driving long lines or high current loads, delivering the full accuracy of the AD688 where it is required in the application circuit. The low initial error allows the AD688 to be used as a system reference in precision measurement applications requiring 12-bit absolute accuracy.
High impedance ground sense
Kelvin connections
±10V Tracking outputs
1.5mV Low tracking error
2mV Low initial error
1.5ppm/°C Low drift
6µVp-p Low noise

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AD688ARWZ Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Capacitance Tolerance	±0.04 %
Input Voltage (DC)	12.0V ~ 36.0V
Output Voltage	±10 V
Output Current	10 mA
Supply Current	12 mA
Number of Channels	2 Channel
Number of Positions	16 Position
Input Voltage (Max)	36 V
Output Voltage (Max)	10 V
Output Current (Max)	10 mA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Accuracy	±4 mV
Input Voltage	12V ~ 38V
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Size-Length	10.5 mm
Size-Width	7.6 mm
Size-Height	2.35 mm
Operating Temperature	-40℃ ~ 85℃ (TA)
Temperature Coefficient	±8 ppm/℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2016/06/20
HK STC License	NLR

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