ADS1146IPWR

更新时间： 2024-10-01 06:36:23

品牌	Logo	应用领域
德州仪器 - TI		转换器传感器温度传感器
页数	文件大小	规格书
50页	561K
描述
16-Bit Analog-to-Digital Converters for Temperature Sensors

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ADS1146IPWR 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：	TSSOP
包装说明：	TSSOP, TSSOP16,.25	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	1.24
最大模拟输入电压：	2.5 V	最小模拟输入电压：	-2.5 V
转换器类型：	ADC, DELTA-SIGMA	JESD-30 代码：	R-PDSO-G16
JESD-609代码：	e4	长度：	5 mm
最大线性误差 (EL)：	0.0015%	湿度敏感等级：	1
模拟输入通道数量：	1	位数：	16
功能数量：	1	端子数量：	16
最高工作温度：	105 °C	最低工作温度：	-40 °C
输出位码：	2'S COMPLEMENT BINARY	输出格式：	SERIAL
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装等效代码：	TSSOP16,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
电源：	3.3,5 V	认证状态：	Not Qualified
采样速率：	0.002 MHz	座面最大高度：	1.2 mm
子类别：	Other Converters	最小供电电压：	2.7 V
标称供电电压：	5 V	表面贴装：	YES
温度等级：	INDUSTRIAL	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：	4.4 mm	Base Number Matches：	1

ADS1146IPWR 数据手册

ADS1146

ADS1147

ADS1148

www.ti.com

SBAS453C –JULY 2009–REVISED APRIL 2010

16-Bit Analog-to-Digital Converters for Temperature Sensors

Check for Samples: ADS1146, ADS1147, ADS1148

FEATURES

DESCRIPTION

•

16 Bits, No Missing Codes

The ADS1146, ADS1147, and ADS1148 are

highly-integrated, precision, 16-bit analog-to-digital

converters (ADCs). The ADS1146/7/8 feature an

onboard, low-noise, programmable gain amplifier

•

Data Output Rates Up to 2kSPS

•

Single-Cycle Settling for All Data Rates

Simultaneous 50/60Hz Rejection at 20SPS

4 Differential/7 Single-Ended Inputs (ADS1148)

2 Differential/3 Single-Ended Inputs (ADS1147)

Matched Current Source DACs

(PGA),

precision delta-sigma ADC with

single-cycle settling digital filter, and an internal

oscillator. The ADS1147 and ADS1148 also provide a

built-in voltage reference with 10mA output capacity,

and

two

matched

programmable

(DACs).

current

The

Internal Voltage Reference

digital-to-analog

converters

ADS1146/7/8 provide a complete front-end solution

for temperature sensor applications including thermal

couples, thermistors, and resistance temperature

detectors (RTDs).

Sensor Burnout Detection

4/8 General-Purpose I/Os (ADS1147/8)

Internal Temperature Sensor

Power Supply and V_REFMonitoring

(ADS1147/8)

An input multiplexer supports four differential inputs

for the ADS1148, two for the ADS1147, and one for

the ADS1146. In addition, the multiplexer has a

•

Self and System Calibration

sensor

thermocouples,

burnout

detect,

system

voltage

monitoring,

bias

for

and

SPI™-Compatible Serial Interface

Analog Supply Operation:

+2.7V to +5.25V Unipolar, ±2.5V Bipolar

general-purpose digital I/Os (ADS1147 and

ADS1148). The onboard, low-noise PGA provides

selectable gains of 1 to 128. The delta-sigma

modulator and adjustable digital filter settle in only

one cycle, for fast channel cycling when using the

input multiplexer, and support data rates up to

2kSPS. For data rates of 20SPS or less, both 50Hz

and 60Hz interference are rejected by the filter.

•

Digital Supply: +2.7V to +5.25V

Operating Temperature –40°C to +125°C

APPLICATIONS

•

Temperature Measurement

–

RTDs, Thermocouples, and Thermistors

The ADS1146 is offered in a small TSSOP-16

package, the ADS1147 is available in a TSSOP-20

package, and the ADS1148 in a TSSOP-28 package.

All three devices operate over the extended specified

temperature range of –40°C to +105°C.

•

Pressure Measurement

Industrial Process Control

ADS1148 Only

REFP0/ REFN0/

AVDD

REFP REFN

DVDD

AVDD

GPIO0 GPIO1 REFP1 REFN1 VREFOUT VREFCOM

DVDD

Burnout

Detect

Burnout

Detect

ADS1147

ADS1148

ADS1146

Voltage

VREF Mux

V_BIAS

Reference

GPIO

SCLK

AIN0/IEXC

AIN1/IEXC

System

Monitor

DIN

Serial

Interface

and

Serial

Interface

and

DRDY

DOUT/DRDY

DRDY

DOUT/DRDY

AIN2/IEXC/GPIO2

AIN3/IEXC/GPIO3

3rd Order

Adjustable

Digital

Filter

3rd Order

Adjustable

Digital

Filter

AIN0

AIN1

Input

Mux

Input

Mux

PGA

Modulator

AIN4/IEXC/GPIO4

AIN5/IEXC/GPIO5

Control

START

RESET

START

RESET

Dual

Current

DACs

AIN6/IEXC/GPIO6

AIN7/IEXC/GPIO7

Internal Oscillator

ADS1148 Only

Burnout

Detect

Burnout

Detect

AVSS

CLK

DGND

AVSS IEXC1 IEXC2

CLK

DGND

ADS1148 Only

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 is a trademark of Motorola, Inc.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...50

中文翻译

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ADS1146IPWR 替代型号

型号	品牌	替代类型	描述	数据表
ADS1146IPW	TI	类似代替	16-Bit Analog-to-Digital Converters for Temperature Sensors

与ADS1146IPWR相关器件

型号	品牌	获取价格	描述	数据表
ADS1147	TI	获取价格	16-Bit Analog-to-Digital Converters for Temperature Sensors
ADS1147IPW	TI	获取价格	16-Bit Analog-to-Digital Converters for Temperature Sensors
ADS1147IPWR	TI	获取价格	16-Bit Analog-to-Digital Converters for Temperature Sensors
ADS1148	TI	获取价格	16-Bit Analog-to-Digital Converters for Temperature Sensors
ADS1148EVM	TI	获取价格	Contains all support circuitry needed for the ADS1148/ADS1248
ADS1148IPW	TI	获取价格	16-Bit Analog-to-Digital Converters for Temperature Sensors
ADS1148IPWR	TI	获取价格	16-Bit Analog-to-Digital Converters for Temperature Sensors
ADS1148IRHBR	TI	获取价格	16-Bit Analog-to-Digital Converters for Temperature Sensors
ADS1148IRHBT	TI	获取价格	16-Bit Analog-to-Digital Converters for Temperature Sensors
ADS1148-Q1	TI	获取价格	适用于精密传感器测量且具有 PGA、基准电压和 IDAC 的汽车类 16 位 2kSPS

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