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Details for ADS7954SDBT by Texas Instruments
Semiconductors - ICs > Data & Signal Conversion > Analog-to-Digital Converters - ADC
10BIT ADC SAR 4CH 1MSPS 30TSSOP
ADS7954SDBT image

ADS7954SDBT by Texas Instruments

10BIT ADC SAR 4CH 1MSPS 30TSSOP
Features
1-MHz Sample Rate Serial Devices
12, 8, 4-Channel Devices can Share 16 Channel Device Footprint
20-MHz Serial Interface
38-,30-Pin TSSOP and 32-,24-Pin QFN Packages
Analog Supply Range: 2.7 to 5.25 V
Auto and Manual Modes for Channel Selection
Four Individually Configurable GPIOs for TSSOP package devices. One GPIO for QFN devices
I/O Supply Range: 1.7 to 5.25 V
Input Bandwidth (47 MHz at 3 dB)
Power-Down Current (1 u03bcA)
Product Family of 12/10/8-Bit Resolution
Two Programmable Alarm Levels per Channel
Two SW Selectable Unipolar, Input Ranges: 0 to 2.5 V and 0 to 5 V
Typical Power Dissipation: 14.5 mW (+VA = 5 V, +VBD = 3 V) at 1 MSPS
Zero Latency
Part Information
ADS7954SDBT image
RoHS Compliant
Description
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:
30Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
Quad 10-Bit SAR ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Base Number:
7954
IC Case Style:
TSSOP
No. of Channels:
4Channels
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
ADC Single SAR 1Msps 10-bit Serial 30-Pin TSSOP Tube Avnet America
ADC Single SAR 1Msps 10-bit Serial 30-Pin TSSOP Tube Avnet Europe