ADCS7476
- Variable Power Management
- Packaged in 6-Pin SOT-23
- Power Supply Used as Reference
- Single 2.7-V to 5.25-V Supply Operation
- Compatible With SPI™, QSPI™, MICROWIRE™,
and DSP - Key Specifications
- Resolution With No Missing Codes (12-Bit, 10-
Bit, and 8-Bit) - Conversion Rate: 1 MSPS
- DNL: 0.5, –0.3 LSB (Typical)
- INL: ±0.4 LSB (Typical)
- Power Consumption:
- 3-V Supply: 2 mW (Typical)
- 5-V Supply: 10 mW (Typical)
- Resolution With No Missing Codes (12-Bit, 10-
The ADCS7476, ADCS7477, and ADCS7478 devices are low power, monolithic CMOS 12-, 10-, and 8-bit analog-to-digital converters that operate at 1 MSPS. The ADCS747x devices are a drop-in replacement for Analog Devices AD747x. Each device is based on a successive approximation register architecture with internal track-and-hold. The serial interface is compatible with several standards, such as SPI, QSPI, MICROWIRE, and many common DSP serial interfaces.
The ADCS747x uses the supply voltage as a reference, enabling the device to operate with a full-scale input range of 0 to VDD. The conversion rate is determined from the serial clock (SCLK) speed. These converters offer a shutdown mode, which can be used to trade throughput for power consumption. The ADCS747x is operated with a single supply that can range from 2.7 V to 5.25 V. Normal power consumption during continuous conversion, using a 3-V or 5-V supply, is 2 mW or 10 mW respectively. The power-down feature, which is enabled by a chip select (CS) pin, reduces the power consumption to under 5 µW using a 5-V supply. All three converters are available in a 6-pin SOT-23 package, which provides an extremely small footprint for applications where space is a critical consideration. These products are designed for operation over the automotive and extended industrial temperature range of 40°C to 125°C.
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Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | ADCS747x 1-MSPS, 12-Bit, 10-Bit, and 8-Bit A/D Converters datasheet (Rev. G) | PDF | HTML | 25 May 2016 |
E-book | Best of Baker's Best: Precision Data Converters -- SAR ADCs | 21 May 2015 | ||
EVM User's guide | 50 ksps to 1 Msps, 12-, 10- and 8-Bit EVM Users Manual | 20 Feb 2012 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
WAVEVISION4 — Data acquisition and analysis software
ANALOG-ENGINEER-CALC — Analog engineer's calculator
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
TINA-TI — SPICE-based analog simulation program
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
SOT-23 (DBV) | 6 | Ultra Librarian |
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