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ADS5413
SLWS153 − DECEMBER 2003
SINGLE 12-BIT, 65-MSPS IF SAMPLING
ANALOG-TO-DIGITAL CONVERTER
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48-Pin TQFP Package With PowerPad
(7 mm x 7 mm body size)
FEATURES
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12-Bit Resolution
64.5-dBFS SNR and 72-dBc SFDR at 65 MSPS
and 190-MHz Input
65-MSPS Maximum Sample Rate
2-Vpp Differential Input Range
3.3-V Single Supply Operation
1.8-V to 3.3-V Output Supply
400-mW Total Power Dissipation
Two’s Complement Output Format
On-Chip S/H and Duty Cycle Adjust Circuit
Internal or External Reference
Power-Down Mode
Single-Ended or Differential Clock
1-GHz −3-dB Input Bandwidth
APPLICATIONS
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High IF Sampling Receivers
Medical Imaging
Portable Instrumentation
DESCRIPTION
The ADS5413 is a low power, 12-bit, 65-MSPS, CMOS pipeline analog-to-digital converter (ADC) that operates from a
single 3.3-V supply, while offering the choice of digital output levels from 1.8 V to 3.3 V. The low noise, high linearity, and
low clock jitter makes the ADC well suited for high-input frequency sampling applications. On-chip duty cycle adjust circuit
allows the use of a non-50% duty cycle. This can be bypassed for applications requiring low jitter or asynchronous
sampling. The device can also be clocked with single ended or differential clock, without change in performance. The
internal reference can be bypassed to use an external reference to suit the accuracy and low drift requirements of the
application.
The device is specified over full temperature range (−40°C to +85°C).
FUNCTIONAL BLOCK DIAGRAM
AVDD
OVDD
PWD
VINP
Gain
Stage
Gain
Stage
Gain
Stage
Flash
A/D
S/H
Σ
Σ
Σ
7 Stages
VINN
A/D
D/A
A/D
D/A
A/D
D/A
REF SEL
VREFT
CML
2.25 V
Internal
Reference
Generator
2
2
2
2
1.8 V
VREFB
1.25 V
VBG
Digital Error Correction
CLK
DCA
CLKC
DCA
D[0:11]
AGND OGND
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
CommsADC is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright 2003, Texas Instruments Incorporated