Datasheet > LTC1669-8CMS8#TR

LTC1669-8CMS8#TR

更新时间： 2024-01-25 18:37:39

品牌	Logo	应用领域
凌特 - Linear		光电二极管转换器
页数	文件大小	规格书
16页	149K
描述
LTC1669 - 10-Bit Rail-to-Rail Micropower DAC with I<sup>2</sup>C Interface; Package: MSOP; Pins: 8; Temperature Range: 0°C to 70°C

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LTC1669-8CMS8#TR 技术参数

是否Rohs认证：	不符合	生命周期：	Active
包装说明：	TSSOP, TSSOP8,.19	Reach Compliance Code：	not_compliant
风险等级：	5.63	转换器类型：	D/A CONVERTER
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e0
最大线性误差 (EL)：	0.24%	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：	TSSOP
封装等效代码：	TSSOP8,.19	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	电源：	3/5 V
认证状态：	Not Qualified	子类别：	Other Converters
最大压摆率：	0.125 mA	表面贴装：	YES
技术：	CMOS	温度等级：	COMMERCIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	0.635 mm	端子位置：	DUAL
Base Number Matches：	1

LTC1669-8CMS8#TR 数据手册

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LTC1669

APPLICATIONS INFORMATION

Slave Address (SOT-23 Package)

The Bandgap (BG) bit when set to “0” selects the DAC

supply voltage as its voltage reference. The full-scale

output of the DAC with this setting is equal to the supply

voltage. When the BG bit is set to “1,” the internal bandgap

reference(≈1.25V)isselectedastheDAC’sreference. The

full-scale output voltage for this setting is 2.5V.

The slave address for the SOT-23 package has been

factory programmed to be “0100 000” (LTC1669) and

“0100 001” (LTC1669-1). If another address is required,

please consult the factory.

Command Byte

Data Bytes

Least Signiﬁcant Data Byte

Allows update on Acknowledge of SYNC Address only

Update on Stop condition only (Power-On Default)

Puts the device in power-down mode

Puts the device in standard operating mode

(Power-On Default)

Most Signiﬁcant Data Byte

Selects the internal bandgap reference

Selects the supply as the reference (Power-On Default)

X = Don’t care

Don’t Care

Send Byte Protocol

The stop condition normally initiates the update of the

DAC’s output latches. Simultaneous update of more than

one DAC or other devices on the bus can be achieved by

reissuing new start bit, address, command and data bytes

before issuing a ﬁnal stop condition (which will update

all the devices). An alternate way to achieve simultaneous

LTC1669 updates is to override the stop condition update

by setting the “SY” bit of the command byte. Setting this

bit sets the device to update the DAC output latches only

at the reception of a SYNC address quick command. The

actual update occurs on the rising edge of SCL during the

Acknowledge. In this way, all devices can update on the

reception of the SYNC address quick command instead

of the STOP condition.

The Send Byte protocol used on the LTC1669 is actually a

subset of the Write Word protocol described previously.

The Send Byte protocol can only be used to send the

command byte information to the LTC1669.

Slave Address Wr

Command Byte

S = Start Condition, Wr = Write Bit, A = Acknowledge, P = Stop Condition

1669 TA04

The Send Byte protocol is also used whenever the Write

Word protocol is interrupted for any reason. Reception of

a START or STOP condition after the Acknowledge of the

command byte, but before the Acknowledge of the last

data byte, will cause both data bytes to be ignored and

the command byte to be accepted.

A Shutdown (SD) bit = HIGH will put the device in a low

powerstatebutretainalldatalatchinformation.Shutdown

will occur at the reception of a STOP condition. This way

shutdown could be synchronized to other devices. The

output impedance of the DAC will go to a high impedance

state (≈500kΩ to GND).

Reception of a START or STOP condition before the Ac-

knowledgeofthecommandbytewillcausetheinterrupted

command byte to be ignored.

1669fa

1...7 8 91011 12 13...16

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与LTC1669-8CMS8#TR相关器件

型号	品牌	获取价格	描述	数据表
LTC1669-8IMS8	Linear	获取价格	10-Bit Rail-to-Rail Micropower DAC with I2C Interface
LTC1669CMS8	Linear	获取价格	10-Bit Rail-to-Rail Micropower DAC with I2C Interface
LTC1669CMS8#PBF	Linear	获取价格	LTC1669 - 10-Bit Rail-to-Rail Micropower DAC with I<sup>2</sup>C Interface; Pa
LTC1669CMS8#TR	Linear	获取价格	暂无描述
LTC1669CMS8#TRPBF	Linear	获取价格	LTC1669 - 10-Bit Rail-to-Rail Micropower DAC with I<sup>2</sup>C Interface; Pa
LTC1669CS5	Linear	获取价格	10-Bit Rail-to-Rail Micropower DAC with I2C Interface
LTC1669CS5#TRPBF	Linear	获取价格	LTC1669 - 10-Bit Rail-to-Rail Micropower DAC with I<sup>2</sup>C Interface; Pa
LTC1669IMS8	Linear	获取价格	10-Bit Rail-to-Rail Micropower DAC with I2C Interface
LTC1669IMS8#PBF	Linear	获取价格	LTC1669 - 10-Bit Rail-to-Rail Micropower DAC with I<sup>2</sup>C Interface; Pa
LTC1669IMS8#TR	Linear	获取价格	LTC1669 - 10-Bit Rail-to-Rail Micropower DAC with I<sup>2</sup>C Interface; Pa

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