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Description

The AD5735 is a quad-channel voltage and current output DAC that operates with a power supply range from −26.4 V to +33 V. On-chip dynamic power control minimizes package power dissipation in current mode. This reduced power dissipation is achieved by regulating the voltage on the output driver from7.4 V to 29.5 V using a dc-to-dc boost converter optimized for minimum on-chip power dissipation. The AD5735uses a versatile 3-wire serial interface that operates at clock rates of up to 30 MHz and is compatible with standard SPI, QSPI™, MICROWIRE®, DSP, and microcontroller interface standards. The serial interface also features optional CRC-8 packet error checking, as well as a watchdog timer that monitors activity on the interface.

Features

1. 12-bit resolution and monotonicity
2. Dynamic power control for thermal management
3. Current and voltage output pins connectable to a single terminal
4. ±0.09% total unadjusted error (TUE) maximum
5. User-programmable offset and gain
6. On-chip diagnostics
7. On-chip reference: ±10 ppm/°C maximum
8. −40°C to +105°C temperature range

Applications 

1. Process control
2. Actuator control
3. PLCs