Product Descriptions

The AD5625R/AD5645R/AD5665R and AD5625/AD5665 members of the nanoDAC® family are low power, quad, 12-/ 14-/16-bit, buffered voltage-out DACs with/without an on-chip reference. All devices operate from a single 2.7 V to 5.5 V supply, are guaranteed monotonic by design, and have an I2C-compatible serial interface. 

The AD5625R/AD5645R/AD5665R have an on-chip reference. 

The LFCSP versions of the AD5625R/AD5645R/AD5665R have a 1.25 V or 2.5 V, 10 ppm/°C reference, giving a full-scale output range of 2.5 V or 5 V; the TSSOP versions of the AD5625R/ AD5645R/AD5665R have a 2.5 V, 5 ppm/°C reference, giving a full-scale output range of 5 V. The WLCSP has a 1.25 V reference. 

The on-chip reference is off at power-up, allowing the use of an external reference. The internal reference is enabled via a software write. The AD5625/AD5665 require an external reference voltage to set the output range of the DAC. 

The device incorporates a power-on reset circuit that ensures that the DAC output powers up to 0 V (POR = GND) or midscale (POR = VDD) and remains there until a valid write occurs. The on-chip precision output amplifier enables rail-to-rail output swing.

Product Features

• Low power, smallest pin-compatible, quad nanoDACs 

• AD5625R/AD5645R/AD5665R

- 12-/14-/16-bit nanoDACs 

- On-chip, 2.5 V, 5 ppm/°C reference in TSSOP 

- On-chip, 2.5 V, 10 ppm/°C reference in LFCSP 

- On-chip, 1.25 V, 10 ppm/°C reference in LFCSP 

• AD5625/AD5665

- 12-/16-bit nanoDACs 

- External reference only 

• 3 mm × 3 mm, 10-lead LFCSP; 14-lead TSSOP; and 1.665 mm × 2.245 mm, 12-ball WLCSP 

• 2.7 V to 5.5 V power supply 

• Guaranteed monotonic by design 

• Power-on reset to zero scale/midscale 

• Per channel power-down 

• Hardware LDAC and CLR functions 

• I2C-compatible serial interface supports standard (100 kHz), fast (400 kHz), and high speed (3.4 MHz) modes 

Product Applications

• Process control 

• Data acquisition systems 

• Portable battery-powered instruments 

• Digital gain and offset adjustment 

• Programmable voltage and current sources 

• Programmable attenuators 

Specifications

Actual product photos

Product Data Book：

For more product information, please download the PDF

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