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10BIT 80MSPS DUAL DAC

GENERAL DESCRIPTION

The BW1221L is a CMOS Dual 10Bit D/A

converter for general & video applications.

Its maximum conversion rate is 80MSPS

(typical 50MSPS) and supply voltage is

3.3V single. An external 1.0V voltage

reference(VREF) and a single resistor

(RSET) control the full_scale output current.

BW1221L

FUNCTIONAL BLOCK DIAGRAM

TYPICAL APPLICATIONS

-

-

-

-

-

-

-

High Definition Television(DTV,HDTV)

High Resolution Color Graphics

Hard Disk Driver(HDD)

CAE/CAD/CAM

Image Processing

Instrumentation

Conventional Digital to Analog Conversion

Second Latch 1

First Latch1

SWITCH 1

Decoeder 1

D1[9:0]

IO1

FEATURES

D2[9:0]

Second Latch 2

First Latch2

SWITCH 2

IO2

Decoeder 2

-

-

-

-

-

-

-

-

-

-

80MSPS 1CLK pipeline delay operation

+3.3V CMOS monolothic construction

鹵0.4LSB differential linearity error(Typ)

鹵1.5LSB integral linearity error(Typ)

External voltage reference

Dual Channel DAC

10-Bit voltage parallel input per channel

High impedance single current output

Bineary coding input

High impedance analog output current

source

COMP

CLK

CLKGEN

OPA

CM

VREF

PD IREF

Ver 1.1 (Dec. 1998)

No responsibility is assumed by SEC for its use nor for any

infringements of patents or other rights of third parties that may

result from its use. The content of this datasheet is subject to

change without any notice.

SAMSUNG ELECTRONICS Co. LTD

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