ADS7957SDBT

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Details for Texas Instruments

ADS7957SDBT

10 bit, 1 MSPS, 16 Ch, Single Ended, Micro Power, sr i/f, SAR ADC
Buy Directly from Texas Instruments (5903 in Stock)
$4.6800 per unit
Series Information for ADS7957SDBT - Texas Instruments

Features

  • feature
    1-MHz Sample Rate Serial Devices
  • feature
    12, 8, 4-Channel Devices can Share 16 Channel Device Footprint
  • feature
    20-MHz Serial Interface
  • feature
    38-,30-Pin TSSOP and 32-,24-Pin QFN Packages
  • feature
    Analog Supply Range: 2.7 to 5.25 V
  • feature
    Auto and Manual Modes for Channel Selection
  • feature
    Four Individually Configurable GPIOs for TSSOP package devices. One GPIO for QFN devices
  • feature
    I/O Supply Range: 1.7 to 5.25 V
  • feature
    Input Bandwidth (47 MHz at 3 dB)
  • feature
    Power-Down Current (1 u03bcA)
  • feature
    Product Family of 12/10/8-Bit Resolution
  • feature
    Two Programmable Alarm Levels per Channel
  • feature
    Two SW Selectable Unipolar, Input Ranges: 0 to 2.5 V and 0 to 5 V
  • feature
    Typical Power Dissipation: 14.5 mW (+VA = 5 V, +VBD = 3 V) at 1 MSPS
  • feature
    Zero Latency

Description

10BIT ADC SAR 16CH 1MSPS 38TSSOP
The ADS79xx is a 12/10/8-bit multichannel analog-todigital converter family. The following table shows all twelve devices from this product family. The devices include a capacitor based SAR A/D converter with inherent sample and hold. The devices accept a wide analog supply range from 2.7 V to 5.25 V. Very low power consumption makes these devices suitable for battery-powered and isolated power supply applications. A wide 1.7-V to 5.25-V I/O supply range facilitates a glue-less interface with the most commonly used CMOS digital hosts. The serial interface is controlled by CS and SCLK for easy connection with microprocessors and DSP. The input signal is sampled with the falling edge of CS. It uses SCLK for conversion, serial data output, and reading serial data in. The devices allow auto sequencing of preselected channels or manual selection of a channel for the next conversion cycle. There are two software selectable input ranges (0 V to 2.5 V and 0 V to 5 V), four individually configurable GPIOs ( in case of TSSOP package devices), and two programmable alarm thresholds per channel. These features make the devices suitable for most data acquisition applications. The devices offer an attractive power-down feature. This is extremely useful for power saving when the device is operated at lower conversion speeds. The 16/12-channel devices from this family are available in a 38-pin TSSOP and 32 pin VQFN package and the 4/8-channel devices are available in a 30-pin TSSOP and 24 pin VQFN packages.

Specifications

Resolution (Bits):
10bit
Sampling Rate:
1MSPS
Input Channel Type:
Single Ended
Data Interface:
Serial
Supply Voltage Type:
Single
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
TSSOP
No. of Pins:
38Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
16 Channel 10-Bit SAR ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Base Number:
7957
IC Case Style:
TSSOP
No. of Channels:
16Channels
Operating Temperature Range:
-40°C to +125°C
Supply Current:
2.3mA
Supply Voltage Range:
2.7V to 5.25V
Supply Voltage Range - Analogue:
2.7V to 5.25V
Supply Voltage Range - Digital:
1.7V to 5.25V
Termination Type:
Surface Mount Device

Alternate Descriptions

Avnet America

ADC Single SAR 1Msps 10-bit Serial 38-Pin TSSOP Tube

Avnet Europe

ADC Single SAR 1Msps 10-bit Serial 38-Pin TSSOP Tube

Texas Instruments

10 bit, 1 MSPS, 16 Ch, Single Ended, Micro Power, sr i/f, SAR ADC

Texas Instruments product