AD9754ARU Analog Devices Inc, AD9754ARU Datasheet

AD9754ARU

Manufacturer Part Number

AD9754ARU

Description

IC DAC 14BIT 125MSPS 28-TSSOP

Manufacturer

Analog Devices Inc

Series

TxDAC®r

Datasheets

1.AD9754ARUZ.pdf (24 pages)

2.AD9754ARU.pdf (4 pages)

Specifications of AD9754ARU

Mounting Type

Surface Mount

Rohs Status

RoHS non-compliant

Settling Time

35ns

Number Of Bits

Data Interface

Parallel

Number Of Converters

Voltage Supply Source

Analog and Digital

Power Dissipation (max)

220mW

Operating Temperature

-40°C ~ 85°C

Package / Case

28-TSSOP

Resolution (bits)

14bit

No. Of Pins

Update Rate

125MSPS

Peak Reflow Compatible (260 C)

No. Of Bits

14 Bit

Leaded Process Compatible

Voltage Rating

Number Of Channels

Resolution

14b

Interface Type

Parallel

Single Supply Voltage (typ)

Dual Supply Voltage (typ)

Not RequiredV

Power Supply Requirement

Analog and Digital

Output Type

Current

Single Supply Voltage (min)

4.5V

Single Supply Voltage (max)

5.5V

Dual Supply Voltage (min)

Not RequiredV

Dual Supply Voltage (max)

Not RequiredV

Operating Temp Range

-40C to 85C

Operating Temperature Classification

Industrial

Mounting

Surface Mount

Pin Count

Lead Free Status / Rohs Status

Not Compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

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Company:

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Part Number:

AD9754ARUZ

Manufacturer:

Quantity:

236

Company:

Meier Automation Equipment Co., Limited

Part Number:

AD9754ARUZ

Manufacturer:

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Quantity:

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Part Number:

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Download datasheet (73Kb)

TxDAC is a registered trademark of Analog Devices, Inc.

*Protected by U.S. Patents Numbers 5450084, 5568145, 5689257, 5612697 and

PRODUCT DESCRIPTION

The AD9754 is a 14-bit resolution, wideband, second genera-

tion member of the TxDAC series of high performance, low

power CMOS digital-to-analog-converters (DACs). The

TxDAC family, which consists of pin compatible 8-, 10-, 12-

and 14-bit DACs, is specifically optimized for the transmit

signal path of communication systems. All of the devices share

the same interface options, small outline package and pinout,

providing an upward or downward component selection path

based on performance, resolution and cost. The AD9754 offers

exceptional ac and dc performance while supporting update

rates up to 125 MSPS.

The AD9754’s flexible single-supply operating range of +4.5 V to

+5.5 V and low power dissipation are well suited for portable and

low power applications. Its power dissipation can be further reduc-

ed to a mere 65 mW with a slight degradation in performance by

lowering the full-scale current output. Also, a power-down mode

reduces the standby power dissipation to approximately 20 mW.

The AD9754 is manufactured on an advanced CMOS process.

A segmented current source architecture is combined with a

proprietary switching technique to reduce spurious components

and enhance dynamic performance. Edge-triggered input latches

and a 1.2 V temperature compensated bandgap reference have

been integrated to provide a complete monolithic DAC solution.

The digital inputs support +2.7 V and +5 V CMOS logic families.

REV. A

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

5703519. Other patents pending.

FEATURES

High Performance Member of Pin-Compatible

125 MSPS Update Rate

14-Bit Resolution

Excellent Spurious Free Dynamic Range Performance

SFDR to Nyquist @ 5 MHz Output: 83 dBc

Differential Current Outputs: 2 mA to 20 mA

Power Dissipation: 185 mW @ 5 V

Power-Down Mode: 20 mW @ 5 V

On-Chip 1.20 V Reference

CMOS-Compatible +2.7 V to +5.5 V Digital Interface

Package: 28-Lead SOIC, TSSOP Packages

Edge-Triggered Latches

APPLICATIONS

Wideband Communication Transmit Channel:

Direct Digital Synthesis (DDS)

Instrumentation

TxDAC Product Family

Direct IF

Basestations

Wireless Local Loop

Digital Radio Link

14-Bit, 125 MSPS High Performance

The AD9754 is a current-output DAC with a nominal full-scale

output current of 20 mA and > 100 k output impedance.

Differential current outputs are provided to support single-

ended or differential applications. Matching between the two

current outputs ensures enhanced dynamic performance in a

differential output configuration. The current outputs may be

tied directly to an output resistor to provide two complemen-

tary, single-ended voltage outputs or fed directly into a trans-

former. The output voltage compliance range is 1.25 V.

The on-chip reference and control amplifier are configured for

maximum accuracy and flexibility. The AD9754 can be driven

by the on-chip reference or by a variety of external reference

voltages. The internal control amplifier, which provides a wide

(>10:1) adjustment span, allows the AD9754 full-scale current

to be adjusted over a 2 mA to 20 mA range while maintaining

excellent dynamic performance. Thus, the AD9754 may operate

at reduced power levels or be adjusted over a 20 dB range to

provide additional gain ranging capabilities.

The AD9754 is available in 28-lead SOIC and TSSOP packages.

It is specified for operation over the industrial temperature range.

PRODUCT HIGHLIGHTS

1. The AD9754 is a member of the wideband TxDAC high per-

2. Manufactured on a CMOS process, the AD9754 uses a

3. On-chip, edge-triggered input CMOS latches readily inter-

4. A flexible single-supply operating range of +4.5 V to +5.5 V,

5. The current output(s) of the AD9754 can be easily config-

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

CLOCK

formance product family that provides an upward or downward

component selection path based on resolution (8 to 14 bits),

performance and cost. The entire family of TxDACs is avail-

able in industry standard pinouts.

proprietary switching technique that enhances dynamic per-

formance beyond that previously attainable by higher power/

cost bipolar or BiCMOS devices.

face to +2.7 V to +5 V CMOS logic families. The AD9754

can support update rates up to 125 MSPS.

and a wide full-scale current adjustment span of 2 mA to

20 mA, allows the AD9754 to operate at reduced power levels.

ured for various single-ended or differential circuit topologies.

SET

0.1 F

+5V

FUNCTIONAL BLOCK DIAGRAM

REFIO

FS ADJ

DVDD

DCOM

CLOCK

SLEEP

+1.20V REF

TxDAC

World Wide Web Site: http://www.analog.com

REFLO

DIGITAL DATA INPUTS (DB13–DB0)

SEGMENTED

SWITCHES

150pF

LATCHES

D/A Converter

CURRENT

SOURCE

SWITCHES

ARRAY

LSB

+5V

AD9754*

AVDD

AD9754

ACOM

IOUTA

ICOMP

IOUTB

0.1 F

Related parts for AD9754ARU

AD9754ARU Summary of contents

Page 1

FEATURES High Performance Member of Pin-Compatible TxDAC Product Family 125 MSPS Update Rate 14-Bit Resolution Excellent Spurious Free Dynamic Range Performance SFDR to Nyquist @ 5 MHz Output: 83 dBc Differential Current Outputs Power ...

Page 2

AD9754–SPECIFICATIONS DC SPECIFICATIONS ( MIN Parameter RESOLUTION 1 DC ACCURACY Integral Linearity Error (INL + Differential Nonlinearity (DNL + ANALOG OUTPUT Offset Error Gain Error (Without Internal Reference) Gain Error ...

Page 3

DYNAMIC SPECIFICATIONS Parameter DYNAMIC PERFORMANCE Maximum Output Update Rate (f CLOCK Output Settling Time (t ) (to 0.1%) ST Output Propagation Delay ( Glitch Impulse 1 Output Rise Time (10% to 90%) 1 Output Fall Time (10% to ...

Page 4

... LPW IOUTA OR IOUTB 0.1% Figure 1. Timing Diagram Max Units Model +6.5 V AD9754AR +6.5 V AD9754ARU – +85 C +0.3 V AD9754-EB +6 Small Outline IC Thin Shrink Small Outline Package. DVDD + 0.3 V DVDD + 0.3 V THERMAL CHARACTERISTICS AVDD + 0.3 V Thermal Resistance AVDD + 0.3 V 28-Lead 300 Mil SOIC AVDD + 0 ...

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