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AD7661

Analog Devices
Part Number AD7661
Manufacturer Analog Devices
Description 16-Bit 1 MSPS SAR Unipolar ADC with Ref
Published Mar 23, 2005
Detailed Description www.DataSheet4U.com 16-Bit 100 kSPS PulSAR® Unipolar ADC with Reference AD7661 FEATURES 2.5 V internal reference: typic...
Datasheet PDF File AD7661 PDF File

AD7661
AD7661

Overview
www.
DataSheet4U.
com 16-Bit 100 kSPS PulSAR® Unipolar ADC with Reference AD7661 FEATURES 2.
5 V internal reference: typical drift 3 ppm/°C Guaranteed max drift 15 ppm/°C Throughput: 100 kSPS INL: ±2.
5 LSB max (±0.
0038% of full scale) 16-bit resolution with no missing codes S/(N+D): 88 dB min @ 20 kHz THD: –96 dB max @ 20 kHz Analog input voltage range: 0 V to 2.
5 V Both AC and DC specifications No pipeline delay Parallel and serial 5 V/3 V interface SPI®/QSPITM/MICROWIRETM/DSP compatible Single 5 V supply operation Power dissipation 16 mW typ, 160 µW @ 1 kSPS without REF 40 mW typ with REF 48-lead LQFP and 48-lead LFCSP packages Pin-to-pin compatible with PulSAR ADCs FUNCTIONAL BLOCK DIAGRAM REFBUFIN REF REFGND AGND AVDD REF DVDD DGND OVDD SERIAL PORT SWITCHED CAP DAC PARALLEL INTERFACE CLOCK CONTROL LOGIC AND CALIBRATION CIRCUITRY 16 DATA[15:0] BUSY RD CS SER/PAR 03033-0-001 AD7661 OGND IN INGND PDREF PDBUF PD RESET OB/2C BYTESWAP CNVST Figure 1.
Functional Block Diagram Table 1...


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