Datasheet > DAC5670-SP_15

DAC5670-SP_15

更新时间： 2024-09-14 01:20:15

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
34页	813K
描述
DAC5670-SP 14-Bit 2.4-GSPS Digital-to-Analog Converter (DAC)

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DAC5670-SP

SGLS386F –JANUARY 2009–REVISED OCTOBER 2014

DAC5670-SP 14-Bit 2.4-GSPS Digital-to-Analog Converter (DAC)

1 Features

3 Description

The DAC5670 is a 14-bit 2.4-GSPS DAC with dual

•

14-Bit Resolution

demultiplexed differential input ports. The DAC5670

is clocked at the DAC sample rate and the two input

ports run at a maximum of 1.2 GSPS. An additional

reference bit input sequence is used to adjust the

output clock delay to the data source, optimizing the

internal data latching clock relative to this reference

bit with a delay lock loop (DLL). Alternatively, the DLL

may be bypassed and the timing interface managed

by controlling DATA setup and hold timing to

DLYCLK.

2.4-GSPS Max Update Rate DAC

Dual Differential Input Ports

–

Even/Odd Demultiplexed Data

Maximum 1.2 GSPS Each Port, 2.4 GSPS

Total

–

Dual 14-Bit Inputs + 1 Reference Bit

DDR Output Clock

DLL Optimized Clock Timing Synchronized to

Reference Bit

The DAC5670 can also accept data up to 1.2 GSPS

using only the A input port. In the single port modes,

options include: repeating the input sample (A_ONLY

mode), 2× interpolation by zero stuff (A_ONLY_ZS

mode), or 2× interpolation by repeating and inverting

the input sample (A_ONLY_INV). These modes are

used to double the input sample rate up to 2.4 GSPS.

–

LVDS and HyperTransport™ Voltage Level

Compatible

Internal 100-Ω Terminations for Data and

Reference Bit Inputs

•

Selectable 2× Interpolation With Fs / 2 Mixing

Differential Scalable Current Outputs: 5 to 30 mA

On-Chip 1.2-V Reference

The DAC5670 operates with a single 3- to 3.6-V

supply voltage. Power dissipation is 2 W at maximum

operating conditions. The DAC5670 provides

nominal full-scale differential current-output of 20 mA,

supporting both single-ended and differential

applications. An on-chip 1.2-V temperature-

compensated bandgap reference and control

amplifier allows the user to adjust the full-scale output

current from the nominal 20 mA to as low as 5 mA or

as high as 30 mA.

3.3-V Analog Supply Operation

Power Dissipation: 2 W

192-Ball CBGA (GEM) Package

QML-V Qualified, SMD 5962-07247

Military Temperature Range (–55°C to 125°C

T_case

)

Device Information⁽¹⁾

2 Applications

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Test and Measurement: Arbitrary Waveform

Generator

DAC5670-SP

CBGA (192)

19.00 mm × 19.00 mm

•

Communications

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Engineering evaluation (/EM) samples are

available

Simplified Schematic

(1)

These units are intended for engineering evaluation only.

They are processed to a non-compliant flow (that is, no burn-

in, and so forth) and are tested to a temperature rating of

25°C only. These units are not suitable for qualification,

production, radiation testing, or flight use. Parts are not

warranted for performance over the full MIL specified

temperature range of –55°C to 125°C or operating life.

SLEEP

Mode Controls

CSBIAS

CSBIAS_IN

DA_P[13:0]

IOUT_P

DA_N[13:0]

DB_P[13:0]

14 bit

2.4Gsps

DAC

Input

Registers

Demux

and

Format

IOUT_N

DB_N[13:0]

DTCLK_P

RBIASOUT

RBIASIN

Phase

Detector

Loop

Filter

REFIO_IN

REFIO

DTCLK_N

Bandgap

Ref

LOCK

RESTART

÷2

INV_CLK

DLYCLK_P

DLYCLK_N

Variable

Delay

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...34

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与DAC5670-SP_15相关器件

型号	品牌	获取价格	描述	数据表
DAC5672	TI	获取价格	DUAL, 14-BIT 200 MSPS DIGITAL - TO - ANALOG CONVERTER
DAC5672A	TI	获取价格	DUAL,14-BIT 275 MSPS DIGITAL-TO-ANALOG CONVERTER
DAC5672AIPFB	TI	获取价格	DUAL,14-BIT 275 MSPS DIGITAL-TO-ANALOG CONVERTER
DAC5672AIPFBG4	TI	获取价格	DUAL,14-BIT 275 MSPS DIGITAL-TO-ANALOG CONVERTER
DAC5672AIPFBR	TI	获取价格	DUAL,14-BIT 275 MSPS DIGITAL-TO-ANALOG CONVERTER
DAC5672AIPFBRG4	TI	获取价格	DUAL,14-BIT 275 MSPS DIGITAL-TO-ANALOG CONVERTER
DAC5672-EP	TI	获取价格	DUAL 14-BIT 200-MSPS DIGITAL-TO-ANALOG CONVERTER
DAC5672IPFB	TI	获取价格	DUAL, 14-BIT 200 MSPS DIGITAL - TO - ANALOG CONVERTER
DAC5672IPFBG4	TI	获取价格	DUAL, 14-BIT 275 MSPS DIGITAL-TO-ANALOG CONVERTER
DAC5672IPFBR	TI	获取价格	DUAL, 14-BIT 200 MSPS DIGITAL - TO - ANALOG CONVERTER

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