AD7669
NOT RECOMMENDED FOR NEW DESIGNSLC2MOS Complete, 8-Bit Analog I/0 Dual DAC Output
- Part Models
- 2
- 1ku List Price
- Starting From $24.14
Part Details
- 2 ms ADC with Track/Hold
- 1 ms DAC with Output Amplifier
- AD7669, Dual DAC Output
- On-Chip Bandgap Reference
- Fast Bus Interface
- Single or Dual 5 V Supplies
The AD7569 / AD7669 is a complete, 8-bit, analog I/O system on a single monolithic chip. The AD7569 contains a high speed successive approximation ADC with 2 µs conversion time, a track/ hold with 200 kHz bandwidth, a DAC and an output buffer amplifier with 1 ms settling time. A temperature-compensated 1.25 V bandgap reference provides a precision reference voltage for the ADC and the DAC. The AD7669 is similar, but contains two DACs with output buffer amplifiers.
A choice of analog input/output ranges is available. Using a supply voltage of +5 V, input and output ranges of zero to 1.25 V and zero to 2.5 volts may be programmed using the RANGE input pin. Using a ±5 V supply, bipolar ranges of ±1.25 V or ±2.5 V may be programmed.
Digital interfacing is via an 8-bit I/O port and standard microprocessor control lines. Bus interface timing is extremely fast, allowing easy connection to all popular 8-bit microprocessors. A separate start convert line controls the track/hold and ADC to give precise control of the sampling period.
The AD7569 / AD7669 is fabricated in Linear-Compatible CMOS (LC2MOS), an advanced, mixed technology process combining precision bipolar circuits with low power CMOS logic. The AD7569 is packaged in a 24-pin, 0.3" wide "skinny" DIP, a 24-terminal SOIC and 28-terminal PLCC and LCCC packages. The AD7669 is available in a 28-pin, 0.6" plastic DIP, 28-terminal SOIC and 28-terminal PLCC package.
Documentation
Data Sheet 1
Application Note 3
Technical Articles 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 |
|---|---|---|---|
| AD7669ARZ | 28-Lead SOIC (Wide) | ||
| AD7669ARZ-REEL | 28-Lead SOIC (Wide) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
| No Match Found | ||
|
Jan 31, 2017 - 17_0009 Transfer of AD7669 Product from 4" to 8" Wafer Fab. |
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| AD7669ARZ | PRODUCTION | |
| AD7669ARZ-REEL | PRODUCTION | |
|
Jul 21, 2014 - 13_0297 Qualification of ASE Chungli, as an Alternate Assembly Site for Select 16L, 20L, 24L and 28L SOICW Packages |
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| AD7669ARZ | PRODUCTION | |
| AD7669ARZ-REEL | PRODUCTION | |
|
Aug 4, 2010 - 10_0117 Halogen Free Material Change for SOIC_W Products at Carsem |
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| AD7669ARZ | PRODUCTION | |
| AD7669ARZ-REEL | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
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