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TLV1548CDWR PDF预览

TLV1548CDWR

更新时间： 2024-11-23 12:58:31
品牌 Logo 应用领域
德州仪器 - TI 转换器输入元件
页数 文件大小 规格书
37页 576K
描述
IC 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20, SOIC-20, Analog to Digital Converter

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TLV1548CDWR 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP,针数：20
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.73
最大模拟输入电压：5.5 V最小模拟输入电压：
最长转换时间：25 µs转换器类型：ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码：R-PDSO-G20长度：12.8 mm
模拟输入通道数量：8位数：10
功能数量：1端子数量：20
最高工作温度：70 °C最低工作温度：
输出位码：BINARY输出格式：SERIAL
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified采样并保持/跟踪并保持：SAMPLE
座面最大高度：2.65 mm最大压摆率：1.5 mA
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
宽度：7.5 mmBase Number Matches：1

TLV1548CDWR 数据手册

 浏览型号TLV1548CDWR的Datasheet PDF文件第2页浏览型号TLV1548CDWR的Datasheet PDF文件第3页浏览型号TLV1548CDWR的Datasheet PDF文件第4页浏览型号TLV1548CDWR的Datasheet PDF文件第5页浏览型号TLV1548CDWR的Datasheet PDF文件第6页浏览型号TLV1548CDWR的Datasheet PDF文件第7页 
TLV1544C, TLV1544I, TLV1548C, TLV1548I, TLV1548M  
LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTERS  
WITH SERIAL CONTROL AND 4/8 ANALOG INPUTS  
SLAS139C – DECEMBER 1996 – REVISED JANUARY 1999  
D OR PW PACKAGE  
(TOP VIEW)  
Conversion Time ≤ 10 µs  
10-Bit-Resolution ADC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
Programmable Power-Down  
Mode . . . 1 µA  
DATA OUT  
DATA IN  
I/O CLK  
EOC  
CS  
REF+  
REF–  
FS  
INV CLK  
GND  
CSTART  
A3  
Wide Range Single-Supply Operation of  
2.7 V dc to 5.5 V dc  
V
CC  
A0  
Analog Input Range of 0 V to V  
CC  
Built-in Analog Multiplexer with 8 Analog  
Input Channels  
A1  
A2  
TMS320 DSP and Microprocessor SPI and  
QSPI Compatible Serial Interfaces  
DB OR J PACKAGE  
(TOP VIEW)  
End-of-Conversion (EOC) Flag  
Inherent Sample-and-Hold Function  
Built-In Self-Test Modes  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
A0  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
V
CC  
EOC  
I/O CLK  
DATA IN  
DATA OUT  
CS  
REF+  
REF–  
FS  
INV CLK  
Programmable Power and Conversion Rate  
Asynchronous Start of Conversion for  
Extended Sampling  
Hardware I/O Clock Phase Adjust Input  
CSTART  
GND  
description  
The TLV1544 and TLV1548 are CMOS 10-bit  
switched-capacitor successive-approximation (SAR)  
analog-to-digital (A/D) converters. Each device  
has a chip select (CS), input-output clock (I/O  
CLK), data input (DATA IN) and serial data output  
(DATA OUT) that provide a direct 4-wire  
synchronous serial peripheral interface (SPI ,  
QSPI ) port of a host microprocessor. When  
interfacing with a TMS320 DSP, an additional  
frame sync signal (FS) indicates the start of a  
serial data frame. The devices allow high-speed  
data transfers from the host. The INV CLK input  
provides further timing flexibility for the serial  
interface.  
FK PACKAGE  
(TOP VIEW)  
3
2
1
20 19  
A3  
I/O CLK  
18  
4
5
6
7
8
A4  
A5  
A6  
A7  
DATA IN  
DATA OUT  
CS  
17  
16  
15  
14  
REF+  
9
10 11 12 13  
In addition to a high-speed converter andversatile  
control capability, the device has an on-chip  
11-channel multiplexer that can select any one of  
eight analog inputs or any one of three internal self-test voltages. The sample-and-hold function is automatic  
except for the extended sampling cycle, where the sampling cycle is started by the falling edge of asynchronous  
CSTART. At the end of the A/D conversion, the end-of-conversion (EOC) output goes high to indicate that the  
conversion is complete. The TLV1544 and TLV1548 are designed to operate with a wide range of supply  
voltages with very low power consumption. The power saving feature is further enhanced with a  
software-programmed power-down mode and conversion rate. The converter incorporated in the device  
features differential high-impedance reference inputs that facilitate ratiometric conversion, scaling, and  
isolation of analog circuitry from logic and supply noise. A switched-capacitor design allows low-error  
conversion over the full operating temperature range.  
SPI and QSPI are registered trademarks of Motorola, Inc.  
Copyright 1999, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...37

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