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LTC2654IUF-L12#PBF

产品描述Digital to Analog Converters - DAC 12-Bit SPI Quad DAC (1.25V 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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LTC2654IUF-L12#PBF概述

Digital to Analog Converters - DAC 12-Bit SPI Quad DAC (1.25V Reference)

LTC2654IUF-L12#PBF规格参数

参数名称属性值
Brand NameAnalog 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 Codecompliant
最大模拟输出电压2.5 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85 °C
最低工作温度-40 °C
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)4.2 µs
标称供电电压3 V
表面贴装YES
技术CMOS
温度等级INDUSTRIAL
端子面层MATTE TIN
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 Matches1

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FEATURES
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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
CC
, the DACs reset to mid-scale.
L,
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
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Mobile Communications
Process Control and Industrial Automation
Instrumentation
Automatic Test Equipment
Automotive
BLOCK DIAGRAM
REFCOMP
GND
REFLO
REGISTER
REGISTER
REGISTER
REGISTER
V
OUTA
DAC A
DAC D
V
OUTD
3
2
INL (LSB)
1
0
–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
V
CC
INL Curve
4
V
CC
= 5V
REGISTER
REGISTER
REGISTER
REGISTER
V
OUTB
DAC B
DAC C
V
OUTC
CS/LD
2654 TA01a
2654f
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