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LTC1662CN8#PBF

更新时间： 2024-01-21 00:19:35
品牌 Logo 应用领域
凌特 - Linear 转换器数模转换器光电二极管
页数 文件大小 规格书
12页 188K
描述
LTC1662 - Ultralow Power, Dual 10-Bit DAC in MSOP; Package: PDIP; Pins: 8; Temperature Range: 0°C to 70°C

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LTC1662CN8#PBF 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：DIP,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.71转换器类型：D/A CONVERTER
输入位码：BINARY输入格式：SERIAL
JESD-30 代码：R-PDIP-T8JESD-609代码：e3
长度：10.16 mm最大线性误差 (EL)：0.3906%
位数：10功能数量：1
端子数量：8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：DIP封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：NOT SPECIFIED
标称安定时间 (tstl)：750 µs标称供电电压：3 V
表面贴装：NO技术：CMOS
温度等级：COMMERCIAL端子面层：Matte Tin (Sn)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.62 mm

LTC1662CN8#PBF 数据手册

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Final Electrical Specifications  
LTC1662  
Ultralow Power, Dual  
10-Bit DAC in MSOP  
March 2000  
U
DESCRIPTIO  
FEATURES  
The LTC®1662 is an ultralow power, fully buffered volt-  
ageoutput,dual10-bitdigital-to-analogconverter(DAC).  
Each DAC draws just 1.7µA (typ) total supply-plus-  
reference operating current, yet is capable of supplying  
DC output currents in excess of 1mA and reliably driving  
capacitive loads of up to 1000pF. A programmable Sleep  
mode further reduces total operating current to a negli-  
gible 0.05µA.  
■
Ultralow Power: 1.5µA (Typ) ICC per DAC Plus  
0.05µA Sleep Mode for Extended Battery Life  
■
Tiny: Two 10-Bit DACs in an 8-Lead MSOP—  
Half the Size of an SO-8  
Wide 2.7V to 5.5V Supply Range  
■
■
Double Buffered for Simultaneous DAC Updates  
■
Rail-to-Rail Voltage Outputs Drive 1000pF  
■
Reference Range Includes Supply for Ratiometric  
0V-to-VCC Output  
Linear Technology’s proprietary, inherently monotonic  
voltage interpolation architecture provides excellent lin-  
earity while allowing for an exceptionally small external  
form factor. The double-buffered input logic provides  
simultaneousupdatecapabilityandcanbeusedtowriteto  
either DAC without interrupting Sleep mode.  
■
Reference Input Impedance Is Code-Independent  
(7.1MΩ Typ)—Eliminates External Buffers  
■
3-Wire Serial Interface with  
Schmitt Trigger Inputs  
■
Differential Nonlinearity: ±0.75LSB Max  
U
With its ultralow operating current and exceptionally  
small size, the LTC1662 is ideal for use in battery-  
powered products.  
APPLICATIO S  
■
Mobile Communications  
■
The LTC1662 is pin- and software-compatible with the  
LTC1661 micropower dual 10-bit DAC. It is available in  
8-pin MSOP and PDIP packages and is specified over the  
Portable Battery-Powered Instruments  
■
Remote Industrial Devices  
■
Digitally Controlled Amplifiers and Attenuators  
■
industrial temperature range.  
Automatic Calibration for Manufacturing  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
W
BLOCK DIAGRA  
V
GND  
V
V
OUT A  
CC  
OUT B  
5
Total Supply-Plus-Reference  
Operating Current  
8
7
6
5.5  
5.0  
4.5  
4.0  
3.5  
3.0  
2.5  
V
A
= V  
CC  
REF  
T
= 25°C  
10-BIT  
DAC A  
10-BIT  
DAC B  
CODE = 1023  
CODE = 512  
CONTROL  
LOGIC  
ADDRESS  
DECODER  
CODE = 0  
SHIFT REGISTER  
2.5  
3.0  
3.5  
4.0  
(V)  
4.5  
5.0  
5.5  
V
CC  
1662 G01  
1
2
3
4
CS/LD  
SCK  
D
REF  
IN  
1662 BD  
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.  
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-  
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.  
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