AD9433BSQZ125 Analog Devices, AD9433BSQZ125 Datasheet

AD9433BSQZ125

Manufacturer Part Number

AD9433BSQZ125

Description

LQFP64

Manufacturer

Analog Devices

Datasheet

1.AD9433BSQ105.pdf (24 pages)

Specifications of AD9433BSQZ125

Date_code

06+

Current page: 1 of 24
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GENERAL INTRODUCTION

The AD9433 is a 12-bit monolithic sampling analog-to-digital

converter with an on-chip track-and-hold circuit and is designed

for ease of use. The product operates up to 125 MSPS conver-

sion rate and is optimized for outstanding dynamic performance

in wideband and high IF carrier systems.

The ADC requires a 5 V analog power supply and a differential

encode clock for full performance operation. No external refer-

ence or driver components are required for many applications.

The digital outputs are TTL/CMOS compatible and a separate

output power supply pin supports interfacing with 3.3 V or

2.5 V logic.

A user-selectable, on-chip proprietary circuit optimizes spurious-

free dynamic range (SFDR) versus signal-to-noise-and-distortion

(SINAD) ratio performance for different input signal frequencies,

providing as much as 83 dBc SFDR performance over the dc

to 70 MHz band.

The encode clock supports either differential or single-ended

input and is PECL-compatible. The output format is user-

selectable for binary or two’s complement and provides an

overrange (OR) signal.

Fabricated on an advanced BiCMOS process, the AD9433 is

available in a thermally enhanced 52-lead plastic quad flatpack

specified over the industrial temperature range (–40°C to

+85°C) and is pin-compatible with the AD9432.

PRODUCT HIGHLIGHTS

1. IF Sampling

2. Pin-Compatibility

3. SFDR Performance

4. Sampling Rate

This ADC has the same footprint and pin layout as the

as much at 85 dBc from dc to 70 MHz.

The AD9433 maintains outstanding ac performance up to

input frequencies of 350 MHz. Suitable for 3G Wideband

Cellular IF sampling receivers.

AD9432, 12-Bit 80/105 MSPS ADC.

A user-selectable on-chip circuit optimizes SFDR performance

At 125 MSPS, this ADC is ideally suited for current wireless

and wired broadband applications such as LMDS/MMDS

and cable reverse path.

ENCODE

12-Bit, 105 MSPS/125 MSPS

AIN

IF Sampling A/D Converter

FUNCTIONAL BLOCK DIAGRAM

ENCODE

TIMING

T/H

GND

PIPELINE

REF

OUT

ADC

AD9433

REF

STAGING

OUTPUT

AD9433

D11–D0

DFS

SFDR

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