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Part Number: ADS5122
Description: The ADS5122 is a low-power, 8-channel, 10-bit, 65MSPS CMOS Analog-to-Digital Converter (ADC) that operates from a singl...
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ADS5122
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DataSheet
General Description
ADS5122 General Description
The ADS5122 is a low-power, 8-channel, 10-bit, 65MSPS CMOS Analog-to-Digital Converter (ADC) that operates from a single 1.8V supply, while offering 1.8V and 3.3V digital I/O flexibility. A single-ended input clock is used for simultaneous sampling of up to eight analog differential input channels. The flexible duty cycle adjust circuit (DCASEL) allows the use of a non-50% clock duty cycle. Individual standby pins allow users the ability to power-down any number of ADCs.
The internal reference can be bypassed to use an external reference to suit the accuracy and temperature drift requirements of the application. A 10-bit parallel bus on eight channels is provided with 3-state outputs.
The speed, resolution, and low power of the ADS5122 make it ideal for applications requiring high-density signal processing in low-power environments.
The ADS5122 is characterized for operation from 0°C to 70°C.
ADS5122 Maximum Ratings
Supply Voltage: AVDD to AGND, DVDD to DGND ...................... 0.3V to +2.2V
DRVDD to DRGND .................................................................... 0.3V to +4.0V
AGND to DGND ........................................................................ 0.3V to +0.3V
AVDD to DVDD ......................................................................... 2.2V to +2.2V
Reference Voltage Input Range REFT, REFB to AGND ... 0.3V to AVDD + 0.3V
Analog Input Voltage Range AIN to AGND .................... 0.3V to AVDD + 0.3V
Clock Input CLK to DGND ............................................ 0.3V to DRVDD + 0.3V
Digital Input to DGND .................................................... 0.3V to DVDD + 0.3V
Digital Outputs to DRGND ............................................ 0.3V to DRVDD + 0.3V
Operating Temperature Range (TJ) ............................................. 0 to +105
Storage Temperature Range (TSTG) ...........................................65 + 150
DRVDD to DRGND .................................................................... 0.3V to +4.0V
AGND to DGND ........................................................................ 0.3V to +0.3V
AVDD to DVDD ......................................................................... 2.2V to +2.2V
Reference Voltage Input Range REFT, REFB to AGND ... 0.3V to AVDD + 0.3V
Analog Input Voltage Range AIN to AGND .................... 0.3V to AVDD + 0.3V
Clock Input CLK to DGND ............................................ 0.3V to DRVDD + 0.3V
Digital Input to DGND .................................................... 0.3V to DVDD + 0.3V
Digital Outputs to DRGND ............................................ 0.3V to DRVDD + 0.3V
Operating Temperature Range (TJ) ............................................. 0 to +105
Storage Temperature Range (TSTG) ...........................................65 + 150
ADS5122 Features
·8 DIFFERENTIAL ANALOG INPUTS
·1VPP DIFFERENTIAL INPUT RANGE
·INT/EXT VOLTAGE REFERENCE
·ANALOG/DIGITAL SUPPLY: 1.8V
·DIGITAL I/O SUPPLY: 1.8V/3.3V
·DIFFERENTIAL NONLINEARITY: ±0.4LSB
·INTEGRAL NONLINEARITY: ±1.0LSB
·SIGNAL-TO-NOISE: 59dB at fIN = 20MHz
·POWER DISSIPATION: 733mW
INDIVIDUAL CHANNEL POWER-DOWN
257-LEAD, 0.8 BALL PITCH, PLASTIC MicroSTAR BGA™ (16mm • 16mm)
·1VPP DIFFERENTIAL INPUT RANGE
·INT/EXT VOLTAGE REFERENCE
·ANALOG/DIGITAL SUPPLY: 1.8V
·DIGITAL I/O SUPPLY: 1.8V/3.3V
·DIFFERENTIAL NONLINEARITY: ±0.4LSB
·INTEGRAL NONLINEARITY: ±1.0LSB
·SIGNAL-TO-NOISE: 59dB at fIN = 20MHz
·POWER DISSIPATION: 733mW
INDIVIDUAL CHANNEL POWER-DOWN
257-LEAD, 0.8 BALL PITCH, PLASTIC MicroSTAR BGA™ (16mm • 16mm)
ADS5122 Typical Application
PORTABLE ULTRASOUND
PORTABLE INSTRUMENTATION
PORTABLE INSTRUMENTATION
ADS5122 Connection Diagram
ADS5122
PDF/DataSheet Download
- Datasheet: ADS5122
- File Size: 355159 KB
- Manufacturer:
- Click here to Download
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