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Part Number: ADS5120
Description: The ADS5120 is a low-power, 8-channel, 10-bit, 40MSPS CMOS Analog-to-Digital Converter (ADC) that operates from a singl...
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ADS5120
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DataSheet
General Description
ADS5120 General Description
The ADS5120 is a low-power, 8-channel, 10-bit, 40MSPS 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. A sample-andhold stage is added in front of the ADC and a digital error correction circuit is used to generate the final digital code.
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 ADS5120 makes it ideal for applications requiring high-density signal processing in low-power environments.
The ADS5120 is characterized for operation from 0°C to 70°C.
ADS5120 Maximum Ratings
Supply Voltage: AVDD to AGND, DVDD to DGND ..................... 0.3V to +2.2V
DRVDD to DGND ..................................................................... 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 AVDD + 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 DGND ..................................................................... 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 AVDD + 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
ADS5120 Features
8 DIFFERENTIAL ANALOG INPUTS
1Vp-p DIFFERENTIAL INPUT RANGE
INT/EXT VOLTAGE REFERENCE
ANALOG/DIGITAL SUPPLY 1.8V
DIGITAL I/O SUPPLY 1.8V/3.3V
INTEGRAL NONLINEARITY: ±0.8LSB
SIGNAL-TO-NOISE: 58dB at fIN = 20MHz
SPURIOUS-FREE DYNAMIC RANGE: 72dB at fIN = 20MHz
794mW POWER DISSIPATION
INDIVIDUAL CHANNEL POWER-DOWN
257-LEAD, 0.8 BALL PITCH, PLASTIC MicroSTAR BGA™ (16 • 16mm)
1Vp-p DIFFERENTIAL INPUT RANGE
INT/EXT VOLTAGE REFERENCE
ANALOG/DIGITAL SUPPLY 1.8V
DIGITAL I/O SUPPLY 1.8V/3.3V
INTEGRAL NONLINEARITY: ±0.8LSB
SIGNAL-TO-NOISE: 58dB at fIN = 20MHz
SPURIOUS-FREE DYNAMIC RANGE: 72dB at fIN = 20MHz
794mW POWER DISSIPATION
INDIVIDUAL CHANNEL POWER-DOWN
257-LEAD, 0.8 BALL PITCH, PLASTIC MicroSTAR BGA™ (16 • 16mm)
ADS5120 Typical Application
PORTABLE ULTRASOUND
PORTABLE INSTRUMENTATION
PORTABLE INSTRUMENTATION
ADS5120 Connection Diagram
ADS5120
PDF/DataSheet Download
- Datasheet: ADS5120
- File Size: 458674 KB
- Manufacturer: TI
- Click here to Download
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