Datasheet > TQ6122

TQ6122

更新时间： 2024-09-18 22:19:15

品牌	Logo	应用领域
TRIQUINT		转换器
页数	文件大小	规格书
23页	938K
描述
1 Gigasample/sec, 8-bit Digital-to-Analog Converter

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数据手册

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TQ6122 数据手册

S E M I C O N D U C T O R , I N C .

TQ6122

BLANK

A7 (MSB)

ECL INPUT

BUFFERS

MULTIPLEXER

1 Gigasample/sec,

8-bit Digital-to-Analog

Converter

SELA

BLANKING

LOGIC

(-5 V)

BLANK D0

QBLANK Q0

GND

MASTER

LATCH

CLK

–

BINARY-TO-N-OF-7

SEGMENT ENCODER

Features

• 1 Gs/s conversion rate

• 8-bit resolution

S1 S2 S3 S4 S5 S6 S7

BLANK D0

QBLANK Q0

SLAVE

LATCH

QS1

QS7

(EXT. CONTROL LOOP)

FULL-SCALE ADJUST

OUT

• DC differential non-linearity

¹/₂LSB (0.2%)

OUT

IS1

IS7

REF

–

BLANK

GND

CURRENT-SOURCE ARRAY

• DC integral non-linearity

1 LSB (0.4%)

BANDGAP

REFERENCE

BLANK DISABLE

REF

SENSE

(-5V)

• Settling time 2 ns to 0.4% (est.)

TriQuint's TQ6122 GIGADAC™ is a monolithic, 8-bit digital-to-analog

converter capable of conversion rates to at least 1000 Megasamples/

• Spurious-free dynamic range

(SFDR) 45 dBc typical

second. The TQ6122 DAC may be used for display generation, waveform

and signal synthesis, and video signal reconstruction. The TQ6122 features

a 2:1 data MUX at the input for ease of interface and offers synchronous

blanking capability for maximum ease of use in video applications. It drives

complementary 1 V peak-to-peak swings into 50-ohm loads; on-chip 50-

ohm reverse terminations provide extremely fast settling time.

• ECL-compatible inputs

• Synchronous blanking input

• 1.3 W power dissipation

• 44-pin multilayer ceramic

package or unpackaged die

Due to the inherently high speed of TriQuint's one-micron gate

Applications

Enhancement / Depletion-mode gallium arsenide process, the TQ6122

offers guaranteed operation at clock rates of 1000 MHz, with typical room

temperature conversion rates of 1.5 Gs/s without multiplexing and 1.3 Gs/s

when using multiplexed inputs. The TQ6122 features output rise and fall

times of 500 ps (10% – 90%), symmetric complementary output transitions,

and glitch impulse values less than 10 pV/sec. When used for sine wave

synthesis, typical spurious and harmonic free dynamic range is ≥45 dBc.

• Display generation

• Waveform and signal synthesis

• Video signal reconstruction

The TQ6122 may be retrofitted into designs which currently use TriQuint's

TQ6111, 2, 3, 4M DACs with minimal changes to power supply levels and

input and output connections. The part is available in a 44-pin ceramic

package or as unpackaged die.

For additional information and latest specifications, see our website: www.triquint.com

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