BurrBrown Products

from Texas Instruments

¨

FEATURES

APPLICATIONS

DESCRIPTION

VREFP

AINP

AINN

VREFN

∆Σ

Modulator

Digital

Filter

Parallel

Interface

Bias Circuits

VMID

RBIAS

VCAP

AVDD

AGND

DGND

DVDD

PD

SYNC

CLK

MODE0

MODE1

RD

DRDY

OTR

DOUT[15:0]

ADS1610

ADS1610

SBAS344C – AUGUST 2005 – REVISED OCTOBER 2006

16-Bit, 10 MSPS

ANALOG-TO-DIGITAL CONVERTER

The ADS1610

∆Σ topology provides key system-level

design advantages with respect to anti-alias filtering

•

High-Speed, Wide Bandwidth

∆Σ ADC

and clock jitter. The design of the user's front-end

•

10MSPS Output Data Rate

anti-alias filter is simplified since the on-chip digital

filter greatly attenuates out-of-band signals. The

•

4.9MHz Signal Bandwidth

ADS1610s filter has a brick wall response with a very

•

86dBFS Signal-to-Noise Ratio

flat

passband

(±0.0002dB

of

ripple)

followed

•

–94dB Total Harmonic Distortion

immediately by a very wide stop band (5MHz to

•

95dB Spurious-Free Dynamic Range

55MHz). Clock jitter becomes especially critical when

digitizing high frequency, large-amplitude signals.

•

On-Chip Digital Filter Simplifies Anti-Alias

The

ADS1610

significantly

reduces

clock

jitter

Requirements

sensitivity by an effective averaging of clock jitter as

•

SYNC Pin for Simultaneous Sampling with

a result of oversampling the input signal.

Multiple ADS1610s

Output data is supplied over a parallel interface and

•

Low 3

µs Group Delay

easily connects to TMS320 digital signal processors

•

Parallel Interface

(DSPs). The power dissipation can be adjusted with

an external resistor, allowing for reduction at lower

•

Directly Connects to TMS320 DSPs

operating speeds.

•

Out-of-Range Alert Pin

With its outstanding high-speed performance, the

ADS1610 is well-suited for demanding applications in

data acquisition, scientific instruments, test and

•

Scientific Instruments

measurement equipment, and communications. The

•

Test Equipment

ADS1610 is offered in a TQFP64 package and is

•

Communications

specified from –40°C to 85°C.

The

ADS1610

is

a

high-speed,

high-precision,

delta-sigma (

∆Σ) analog-to-digital converter (ADC)

with 16-bit resolution operating from a 5V analog and

a

3V

digital

supply.

Featuring

an

advanced

multi-stage analog modulator combined with an

on-chip

digital

decimation

filter,

the

ADS1610

achieves 86 dBFS signal-to-noise ratio (SNR) in a

5MHz signal bandwidth; while the total harmonic

distortion is -94dB.

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.

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2005–2006, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.