AD7304 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD7304
Manufacturer

ADI
ChipWorker Part#

CW430807533
Description

3V/5V, Rail-to-Rail Quad, 8Bit DAC
Documentation

Datasheet

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AD7304 Specifications

Attribute	Attribute Value

Part Number	AD7304
Manufacturer	ADI
ChipWorker Part#	CW430807533
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD7304/AD7305 are quad, 8-bit DACs that operate from a single +3 V to +5 V supply or ±5 V supplies. The AD7304 has a serial interface, while the AD7305 has a parallel interface. Internal precision buffers swing rail-to-rail. The reference input range includes both supply rails allowing for positive or negative full-scale output voltages. Operation is guaranteed over the supply voltage range of +2.7 V, +5.5 V to ±5 V consuming less than 9 mW from a +3 V supply. The full-scale voltage output is determined by the external reference input voltage applied. The rail-to-rail VREF input to DAC VOUT allows for a full-scale voltage set equal the positive supply VDD, the negative supply VSS or any value in between.
The AD7304"s doubled-buffered serial-data interface offers high-speed, three-wire, SPI and micro controller compatible inputs using data in (SDI), clock (CLK) and chip select (CS) pins.
The parallel input AD7305 uses a standard address decode along with the WR control line to load data into the input registers. The double buffered architecture allows all four input registers to be preloaded with new values followed by a LDAC control strobe which copies all the new data into the DAC registers thereby updating the analog output values. The AD7305 is pin-compatible with the popular industry standard AD7226 when operating from less than +5.5 V.
An internal power ON reset places both parts in the zero-scale state at turn ON. A 40 µA power shutdown (SHDN) feature is activated on both parts by tri-stating the SDI/SHDN pin on the AD7304, and tri-stating the A0/SHDN address pin on the AD7305. The AD7304/AD7305 are specified over the extended industrial (-40°C to +85°C), and the automotive (-40°C to +125°C) temperature ranges.
### Features and Benefits
Four 8-Bit DACs in One Package
+3 V, +5 V, and ±5 V Operation
Rail-to-Rail REF Input to Voltage Output Swing
Compact 1.1 mm Height TSSOP 16-/20-Lead Package
2.6 MHz Reference Multiplying Bandwidth
Internal Power-On Reset
SPI Serial Interface Compatible - AD7304
Fast Parallel Interface - AD7305
40 µA Power Shutdown

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