ADS8517系列介绍资料

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ADS8517

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具有 S/P 接口的低功耗 16 位 200kSPS ±10V 双极输入 SAR ADC

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The ADS8517 is a complete low-power, single 5-V supply, 16-bit sampling analog-to-digital (A/D) converter. It contains a complete, 16-bit, capacitor-based, successive approximation register (SAR) A/D converter with sample-and-hold, clock, reference, and data interface. The converter can be configured for a variety of input ranges including ±10 V, 4 V, and 5 V. For most input ranges, the input voltage can swing to 25 V or –25 V without damage to the device.

An SPI-compatible serial interface allows data to be synchronized to an internal or external clock. A full parallel interface using the selectable BYTE pin is also provided to allow the maximum system design flexibility. The ADS8517 is specified at a 200-kHz sampling rate over the industrial -40°C to +85°C temperature range.

200-kHz Minimum Sampling Rate
4-V, 5-V, and ±10-V Input Ranges with High-Impedance Input
±1.5 LSB Max INL
+1.5/-1 LSB Max/Min DNL, 16 Bits NMC
±2-mV Max BPZ, ±0.6 ppm/°C BPZ Drift
±2-mV Max UPZ, ±0.15 ppm/°C UPZ Drift
88.8-dB SINAD with 10-kHz Input
SPI-Compatible Serial Output With Daisy-Chain (TAG), SPI Master/Slave Feature
Full Parallel Interface
Binary Twos Complement or Straight Binary Output Code Formats
Single 4.5-V to 5.5-V Analog Supply, 1.65-V to 5.5-V Interface Supply
Uses Internal 2.5-V or External Reference
No External Precision Resistors Required
Low Power Dissipation (ADC+REF+BUF):
- 47 mW Typ, 60 mW Max at 200 kSPS
50-µW Max Power-Down Mode
Pin-Compatible with 16-Bit ADS7807 and ADS8507, and 12-Bit ADS7806 and ADS8506
SO-28 and TSSOP-28 Packages
APPLICATIONS
- Portable Test Equipment
- USB Data Acquisition Module
- Medical Equipment
- Industrial Process Control
- Digital Signal Processing
- Instrumentation

All trademarks are the property of their respective owners.

Resolution (Bits)	16
Sample rate (max) (ksps)	200
Number of input channels	1
Interface type	Byte-Wide, Parallel, SPI
Architecture	SAR
Input type	Single-ended
Rating	Catalog
Reference mode	External, Internal
Input voltage range (max) (V)	10
Input voltage range (min) (V)	-10
Features	Daisy-Chainable, Oscillator
Operating temperature range (°C)	-40 to 85
Power consumption (typ) (mW)	60
Analog supply (min) (V)	4.5
Analog supply voltage (max) (V)	5.5
SNR (dB)	89
Digital supply (min) (V)	1.65
Digital supply (max) (V)	5.25

SOIC (DW)	28	184.37 mm² 17.9 x 10.3
TSSOP (PW)	28	62.08 mm² 9.7 x 6.4

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ADS8517

具有 S/P 接口的低功耗 16 位 200kSPS ±10V 双极输入 SAR ADC

4000-306-326