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Features
- Four 8-Bit DACs in One Package
- +3 V, +5 V, and ±5 V Operation
- Rail-to-Rail REF Input to Voltage Output Swing
- 2.6 MHz Reference Multiplying Bandwidth
- 40 µA Power Shutdown
- Compact 1.1 mm Height TSSOP 16-/20-Lead Package
- Internal Power-On Reset
- SPI Serial Interface Compatible - AD7304
- Fast Parallel Interface - AD7305
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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.
The AD7304/AD7305 are specified over the extended industrial −40°C to +85°C and the automotive −40°C to +125°C temperature ranges. AD7304s are available in a wide-body 16-lead SOIC (R-16) package. The parallel input AD7305 is available in the wide-body 20-lead SOIC (R-20) surface-mount package. For ultracompact applications, the thin 1.1 mm, 16-lead TSSOP (RU-16) package is available for the AD7304, while the 20-lead TSSOP (RU-20) houses the AD7305.
APPLICATIONS
- Automotive output span voltage
- Instrumentation, digitally controlled calibration
- Pin-compatible AD7226 replacement when VDD < 5.5 V
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AD7304
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Solutions Bulletin & Brochure 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| AD7304BNZ |
16-Lead PDIP
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| AD7304BRUZ |
16-Lead TSSOP
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| AD7304BRUZ-REEL7 |
16-Lead TSSOP
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| AD7304BRZ |
16-Lead SOIC Wide
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| AD7304BRZ-REEL |
16-Lead SOIC Wide
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| AD7304YRZ |
16-Lead SOIC Wide
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|
- AD7304BNZ
- Pin/Package Drawing
-
16-Lead PDIP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD7304BRUZ
- Pin/Package Drawing
-
16-Lead TSSOP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD7304BRUZ-REEL7
- Pin/Package Drawing
-
16-Lead TSSOP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD7304BRZ
- Pin/Package Drawing
-
16-Lead SOIC Wide
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD7304BRZ-REEL
- Pin/Package Drawing
-
16-Lead SOIC Wide
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD7304YRZ
- Pin/Package Drawing
-
16-Lead SOIC Wide
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
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SamacSys
Filter by Model
Part Models
Product Lifecycle
PCN
Mar 29, 2021
- 21_0033
Assembly Site Transfer for 14/16L 300_MIL PDIP to Cirtek
Aug 19, 2009
- 07_0024
Package Material Changes for SOT23, MiniSO, MQFP, PDIP, PLCC, SOIC (narrow and wide body), SSOP, TSSOP and TSSOP exposed pad
AD7304BNZ
PRODUCTION
Feb 11, 2011
- 10_0005
Halogen Free Material Change for TSSOP Products Assembled at Amkor
AD7304BRUZ
PRODUCTION
AD7304BRUZ-REEL7
PRODUCTION
Aug 4, 2010
- 10_0117
Halogen Free Material Change for SOIC_W Products at Carsem
AD7304BRZ
PRODUCTION
AD7304BRZ-REEL
PRODUCTION
AD7304YRZ
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
Mar 29, 2021
- 21_0033
Assembly Site Transfer for 14/16L 300_MIL PDIP to Cirtek
Aug 19, 2009
- 07_0024
Package Material Changes for SOT23, MiniSO, MQFP, PDIP, PLCC, SOIC (narrow and wide body), SSOP, TSSOP and TSSOP exposed pad
AD7304BNZ
PRODUCTION
Feb 11, 2011
- 10_0005
Halogen Free Material Change for TSSOP Products Assembled at Amkor
AD7304BRUZ
PRODUCTION
AD7304BRUZ-REEL7
PRODUCTION
Aug 4, 2010
- 10_0117
Halogen Free Material Change for SOIC_W Products at Carsem
AD7304BRZ
PRODUCTION
AD7304BRZ-REEL
PRODUCTION
AD7304YRZ
PRODUCTION
