ADC10662, ADC10664

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SNAS076E – JUNE 1999 – REVISED MARCH 2013

ADC10662/ADC10664 10-Bit 360 ns A/D Converter with Input Multiplexer and Sample/Hold

Check for Samples: ADC10662, ADC10664

1

FEATURES

DESCRIPTION

NOTE: The ADC10662 is obsolete. It is described

2

•

Built-In Sample-and-Hold

here for reference only.

•

Single +5V Supply

Using an innovative, patented multistep (U.S. Patent

•

No External Clock Required

Number 4918449) conversion technique, these 10-bit

•

Speed Adjust Pin for Faster Conversions

CMOS

analog-to-digital

converters

offer

sub-

microsecond conversion times yet dissipating a

APPLICATIONS

maximum of only 235 mW. These converters perform

10-bit conversions in two lower-resolution “flashes”,

•

Digital Signal Processor Front Ends

yielding

a

fast

A/D

without

the

cost,

power

•

Instrumentation

consumption, and other problems associated with

•

Disk Drives

true flash approaches. In addition to standard static

performance

specifications

(Linearity,

Full-Scale

•

Mobile Telecommunications

Error, etc.), dynamic performance (THD, S/N) is

ensured.

KEY SPECIFICATIONS

The analog input voltage ADC is sampled and held

•

Conversion Time 360 ns (Typical)

by an internal sampling circuit. Input signals at

•

Max. Sampling Rate: 1.5 MHz (Min)

frequencies from DC to over 250 kHz can therefore

•

Low Power Consumption 235 mW (Max)

be digitized accurately without the need for an

external sample-and-hold circuit.

•

Total Harmonic Distortion (50 kHz):

−60 dB

(Max)

Connecting an external resistor between the “speed-

up” pin and ground reduces the typical conversion

•

No Missing Codes Over Temperature

time to as little as 360 ns for a small linearity

sacrifice.

For

ease

of

interface

to

microprocessors,

the

ADC10662 and ADC10664 have been designed to

appear as a memory location or I/O port without the

need for external interface logic.

Simplified Block Diagram

*ADC10664 Only

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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.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 1999–2013, 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.