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ADS1602

Texas Instruments
Part Number ADS1602
Manufacturer Texas Instruments
Description ADC
Published Jul 8, 2020
Detailed Description ADS1602 www.ti.com SBAS341E – DECEMBER 2004 – REVISED OCTOBER 2011 16-Bit, 2.5MSPS Analog-to-Digital Converter Check f...
Datasheet PDF File ADS1602 PDF File

ADS1602
ADS1602

Overview
ADS1602 www.
ti.
com SBAS341E – DECEMBER 2004 – REVISED OCTOBER 2011 16-Bit, 2.
5MSPS Analog-to-Digital Converter Check for Samples: ADS1602 FEATURES 1 •2 High Speed: – Data Rate: 2.
5MSPS – Bandwidth: 1.
23MHz • Outstanding Performance: – SNR: 91dB at fIN = 100kHz, –1dBFS – THD: –101dB at fIN = 100kHz, –6dBFS – SFDR: 103dB at fIN = 100kHz, –6dBFS • Ease-of-Use: – High-Speed 3-Wire Serial Interface – Directly Connects to TMS320 DSPs – On-Chip Digital Filter Simplifies Antialias Requirements – Simple Pin-Driven Control—No On-Chip Registers to Program – Selectable On-Chip Voltage Reference – Simultaneous Sampling with Multiple ADS1602s • Low Power: – 530mW at 2.
5MSPS – Power-Down Mode APPLICATIONS • Sonar • Vibration Analysis • Data Acquisition VREFP VREFN VMID RBIAS VCAP AVDD DVDD IOVDD Reference and Bias Circuits AINP AINN DS Modulator Linear Phase FIR Digital Filter Serial Interface ADS1602 AGND DGND CLK SYNC FSO FSO SCLK SCLK DOUT DOUT OTR PD REFEN DESCRIPTION The ADS1602 is a high-speed, high-precision, delta-sigma (ΔΣ) analog-to-digital converter (ADC) manufactured on an advanced CMOS process.
The ADS1602 oversampling topology reduces clock jitter sensitivity during the sampling of high-frequency, large amplitude signals by a factor of four over that achieved by Nyquist-rate ADCs.
Consequently, signal-to-noise ratio (SNR) is particularly improved.
Total harmonic distortion (THD) is –101dB, and the spurious-free dynamic range (SFDR) is 103dB.
Optimized for power and performance, the ADS1602 dissipates only 530mW while providing a full-scale differential input range of ±3V.
Having such a wide input range makes out-of-range signals unlikely.
The OTR pin indicates if an analog input out-of-range condition does occur.
The differential input signal is measured against the differential reference, which can be generated internally or supplied externally on the ADS1602.
The ADS1602 uses an inherently stable advanced modulator with an on-chip decimation filter.
Th...


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