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Details for ADS8691IPWR by Texas Instruments
Semiconductors - ICs > Data & Signal Conversion > Analog-to-Digital Converters - ADC
ADS8691IPWR
Buy Directly from Texas Instruments (3669 in stock) $4.6600
ADC SAR 18BIT 1MSPS TSSOP-16
ADS8691IPWR image

ADS8691IPWR by Texas Instruments

ADC SAR 18BIT 1MSPS TSSOP-16
Features
18-Bit ADC with Integrated Analog Front-End
5-V Analog Supply: 1.65-V to 5-V I/O Supply
ALARM u2192 High, Low Thresholds per Channel
Constant Resistive Input Impedance u2265 1 Mu03a9
Excellent Performance: u2013 DNL: u00b10.6 LSB; INL: u00b11.75 LSB u2013 SNR: 92.5 dB; THD: u2013110 dB
Extended Industrial Temperature Range:
High Speed: u2013 ADS8691: 1 MSPS u2013 ADS8695: 500 kSPS u2013 ADS8699: 100 kSPS
Input Overvoltage Protection: Up to u00b120 V
On-Chip, 4.096-V Reference with Low Drift
Software Programmable Input Ranges: u2013 Bipolar Ranges: u00b112.288 V, u00b110.24 V, u00b16.144 V, u00b15.12 V, and u00b12.56 V u2013 Unipolar Ranges: 0 Vu201312.288 V, 0 Vu201310.24 V, 0 Vu20136.144 V, and 0 Vu20135.12 V
multiSPIu2122 Interface with Daisy-Chain
Part Information
ADS8691IPWR image
RoHS Compliant
Description
The ADS8691, ADS8695, and ADS8699 devices belong to a family of integrated data acquisition system based on a successive approximation (SAR) analog-to-digital converter (ADC). The devices feature a high-speed, high-precision SAR ADC, integrated analog front-end (AFE) input driver circuit, overvoltage protection circuit up to ±20 V, and an onchip 4.096-V reference with extremely low temperature drift. The devices operate on a single 5-V analog supply, but support true bipolar input ranges of ±12.288 V, ±6.144 V, ±10.24 V, ±5.12 V, and ±2.56 V, as well as unipolar input ranges of 0 V to 12.288 V, 0 V to 10.24 V, 0 V to 6.144 V, and 0 V to 5.12 V. The gain and offset errors are accurately trimmed within the specified values for each input range to ensure high dc precision. The input range selection is done by software programming of the device internal registers. The devices offer a high resistive input impedance (≥ 1 MΩ) irrespective of the selected input range. The multiSPI digital interface is backward-compatible to the traditional SPI protocol. Additionally, configurable features simplify interface to a wide range of host controllers.
Specifications
Resolution (Bits):
18bit
Sampling Rate:
1MSPS
Input Channel Type:
Single Ended
Data Interface:
SPI
Supply Voltage Type:
Single
Supply Voltage Min:
4.75V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
TSSOP
No. of Pins:
16Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
Single 18-Bit SAR ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
18-Bit High-Speed Single-Supply SAR ADC Data Acquisition System with Programmable Bipolar Input Ranges 1Msps SPI Interface 16-Pin TSSOP T/R Avnet America
18-Bit, 1-MSPS, 1-Ch SAR ADC with programmable (±12/±10/±6/±5/±2.5V) input ranges on +5V supply Texas Instruments