Datasheet> 器件分类 > 模拟混合信号IC> 转换器> LTC2654CUF-H12#PBF

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LTC2654CUF-H12#PBF: 产品描述Digital to Analog Converters - DAC 12-Bit SPI Quad DAC (2.048V Reference); 产品类别模拟混合信号IC 转换器; 文件大小336KB，共24页; 制造商ADI(亚德诺半导体); 官网地址https://www.analog.com; 标准

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LTC2654CUF-H12#PBF概述

Digital to Analog Converters - DAC 12-Bit SPI Quad DAC (2.048V Reference)

LTC2654CUF-H12#PBF规格参数

参数名称	属性值
Brand Name	Analog Devices Inc
是否无铅	含铅
是否Rohs认证	符合
厂商名称	ADI(亚德诺半导体)
包装说明	HVQCCN,
针数	20
制造商包装代码	05-08-1710
Reach Compliance Code	compliant
最大模拟输出电压	4.096 V
最小模拟输出电压
转换器类型	D/A CONVERTER
输入位码	BINARY
输入格式	SERIAL
JESD-30 代码	S-PQCC-N20
JESD-609代码	e3
长度	4 mm
最大线性误差 (EL)	0.0244%
湿度敏感等级	1
位数	12
功能数量	1
端子数量	20
最高工作温度	70 °C
最低工作温度
封装主体材料	PLASTIC/EPOXY
封装代码	HVQCCN
封装形状	SQUARE
封装形式	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）	260
认证状态	Not Qualified
座面最大高度	0.8 mm
标称安定时间 (tstl)	4.6 µs
标称供电电压	5 V
表面贴装	YES
技术	CMOS
温度等级	COMMERCIAL
端子面层	Matte Tin (Sn)
端子形式	NO LEAD
端子节距	0.5 mm
端子位置	QUAD
处于峰值回流温度下的最长时间	NOT SPECIFIED
宽度	4 mm
Base Number Matches	1

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FEATURES

LTC2654

Quad 16-/12-Bit Rail-to-Rail

DACs with 10ppm/°C

Max Reference

DESCRIPTION

The LTC

2654 is a family of quad 16-/12-bit rail-to-rail

DACs with integrated 10ppm/°C maximum reference . The

DACs have built-in high performance, rail-to-rail, output

buffers and are guaranteed monotonic. The LTC2654-L

has a full-scale output of 2.5V with the integrated refer-

ence and operates from a single 2.7V to 5.5V supply.

The LTC2654-H has a full-scale output of 4.096V with

the integrated reference and operates from a 4.5V to

5.5V supply. Each DAC can also operate with an external

reference, which sets the full-scale output to 2 times the

external reference voltage.

These DACs communicate via a SPI/MICROWIRE compat-

ible 4-wire serial interface which operates at clock rates

up to 50MHz. The LTC2654 incorporates a power-on reset

circuit that is controlled by the PORSEL pin. If PORSEL

is tied to GND the DACs reset to zero-scale. If PORSEL is

tied to V

, the DACs reset to mid-scale.

LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Protected by U.S. Patents, including 5396245, 6891433 and patent pending.

Precision Reference 10ppm/°C Max

Maximum INL Error: ±4LSB at 16-Bits

Low ±2mV (Max) Offset Error

Guaranteed Monotonic Over Temperature

Selectable Internal or External Reference

2.7V to 5.5V Supply Range (LTC2654-L)

Integrated Reference Buffers

Ultralow Crosstalk Between DACs (<3nV•s)

Power-on-Reset to Zero-Scale/Mid-Scale

Asynchronous DAC Update Pin

Tiny 20-Lead 4mm

4mm QFN and 16-Lead Narrow

SSOP Packages

APPLICATIONS

Mobile Communications

Process Control and Industrial Automation

Instrumentation

Automatic Test Equipment

Automotive

BLOCK DIAGRAM

REFCOMP

GND

REFLO

OUTA

DAC A

DAC D

OUTD

INL (LSB)

–1

–2

–3

CONTROL LOGIC

SCK

SDI

LDAC

32-BIT SHIFT REGISTER

CLR

DECODE

POWER-ON

RESET

PORSEL

SDO

–4

128

16384

32768

CODE

49152

65535

2654 TA01b

INTERNAL REFERENCE

REFIN/OUT

INL Curve

= 5V

OUTB

DAC B

DAC C

OUTC

CS/LD

2654 TA01a

2654f

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