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TLV1548QDBRQ1 PDF预览

TLV1548QDBRQ1

更新时间： 2024-11-23 12:15:51
品牌 Logo 应用领域
德州仪器 - TI 转换器模数转换器光电二极管输入元件
页数 文件大小 规格书
34页 537K
描述
LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTER WITH SERIAL CONTROL AND 8 ANALOG INPUTS

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中文翻译

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TLV1548QDBRQ1 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：SSOP
包装说明：ROHS COMPLIANT, PLASTIC, SSOP-20针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：16 weeks
风险等级：0.75Is Samacsys：N
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-G20JESD-609代码：e4
长度：7.2 mm最大线性误差 (EL)：0.0977%
湿度敏感等级：1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：125 °C
最低工作温度：-40 °C输出位码：BINARY
输出格式：SERIAL封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SSOP20,.3
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：3/5 V
认证状态：Not Qualified采样速率：0.085 MHz
采样并保持/跟踪并保持：SAMPLE筛选级别：AEC-Q100
座面最大高度：2 mm子类别：Analog to Digital Converters
最大压摆率：1.5 mA最小供电电压：2.7 V
标称供电电压：5 V表面贴装：YES
技术：CMOS温度等级：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5.3 mm
Base Number Matches：1

TLV1548QDBRQ1 数据手册

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SGLS172B − JUNE 2003 − REVISED APRIL 2008  
D
Qualified for Automotive Applications  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
D
D
D
Programmable Power and Conversion Rate  
D
Asynchronous Start of Conversion for  
Extended Sampling  
Hardware I/O Clock Phase Adjust Input  
D
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Conversion Time ≤ 10 µs  
10-Bit-Resolution ADC  
DB PACKAGE  
(TOP VIEW)  
Programmable Power-Down  
Mode . . . 1 µA  
Wide Range Single-Supply Operation of  
2.7 V dc to 5.5 V dc  
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A0  
A1  
A2  
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A4  
A5  
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A7  
V
CC  
EOC  
I/O CLK  
DATA IN  
DATA OUT  
CS  
REF+  
REF−  
FS  
INV CLK  
D
Analog Input Range of 0 V to V  
CC  
Built-in Analog Multiplexer with 8 Analog  
Input Channels  
D
D
D
D
D
TMS320 DSP and Microprocessor SPI and  
QSPI Compatible Serial Interfaces  
CSTART  
GND  
End-of-Conversion (EOC) Flag  
Inherent Sample-and-Hold Function  
Built-In Self-Test Modes  
description  
The TLV1548 is a CMOS 10-bit switched-capacitor successive-approximation (SAR) analog-to-digital (A/D)  
converter. The device has a chip select (CS), input-output clock (I/O CLK), data input (DATA IN) and serial data  
output (DATA OUT) that provides 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 device allows high-speed data transfers from the host. The INV CLK input  
provides further timing flexibility for the serial interface.  
In addition to a high-speed converter and versatile 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 TLV1548 is 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.  
The TLV1548 has eight analog input channels. The TLV1548Q is characterized for operation over the full  
automotive temperature range of −40°C to 125°C.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
SPI and QSPI are registered trademarks of Motorola, Inc.  
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Copyright 2008 Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...34

中文翻译

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TLV1548QDBRQ1 替代型号

型号 品牌 替代类型 描述 数据表
TLV1548IDB TI

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 LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 4/8 ANALOG INPUTS
TLV1548CDB TI

类似代替

 LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 4/8 ANALOG INPUTS

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