ADS7924IRTER

更新时间： 2024-10-01 06:36:27

品牌	Logo	应用领域
德州仪器 - TI		转换器模数转换器
页数	文件大小	规格书
42页	669K
描述
2.2V, 12-Bit, 4-Channel, microPOWER™ ANALOG-TO-DIGITAL CONVERTER WITH I2C INTERFACE

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ADS7924IRTER 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：	QFN
包装说明：	HVQCCN, LCC16,.12SQ,20	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	6 weeks
风险等级：	1.24	最大模拟输入电压：	5.5 V
最小模拟输入电压：		转换器类型：	ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码：	S-PQCC-N16	JESD-609代码：	e4
长度：	3 mm	最大线性误差 (EL)：	0.0366%
湿度敏感等级：	2	模拟输入通道数量：	4
位数：	12	功能数量：	1
端子数量：	16	最高工作温度：	85 °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：	HVQCCN	封装等效代码：	LCC16,.12SQ,20
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	电源：	1.8/5,2.5/5 V
认证状态：	Not Qualified	采样速率：	0.1 MHz
座面最大高度：	0.8 mm	子类别：	Analog to Digital Converters
最大压摆率：	0.008 mA	最小供电电压：	1.65 V
标称供电电压：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	3 mm
Base Number Matches：	1

ADS7924IRTER 数据手册

ADS7924

www.ti.com

SBAS482A –JANUARY 2010–REVISED MAY 2010

2.2V, 12-Bit, 4-Channel, microPOWER™

ANALOG-TO-DIGITAL CONVERTER WITH I²C INTERFACE

Check for Samples: ADS7924

FEATURES

DESCRIPTION

234

•

Intelligent Monitoring:

The

ADS7924

four-channel,

12-bit,

analog-to-digital converter (ADC) with an I²C™

interface. With its low-power ADC core, support for

low-supply operation, and a flexible measurement

sequencer that essentially eliminates power

consumption between conversions, the ADS7924

forms a complete monitoring system for power-critical

applications such as battery-powered equipment and

energy harvesting systems.

–

Auto-Sequencing of 4-Channel Multiplexer

Individual Alarm Thresholds for Each

Channel

–

Programmable Scan Rate

•

Micropower Monitoring:

–

Four-Channel Scanning:

–

Every 1ms → 25mW

The ADS7924 features dedicated data registers and

onboard programmable digital threshold comparators

for each input. Alarm conditions can be programmed

that generate an interrupt. The combination of data

buffering, programmable threshold comparisons, and

alarm interrupts minimize the host microcontroller

time needed to supervise the ADS7924.

Every 10ms → 5mW

< 1µA of Power-Down Current

–

Programmable Interrupt Pin Controls

Shutdown/Wakeup of the Microcontroller

–

Auto Power-Down Control

PWRCON Pin Allows Shutdown of External

Op Amp

The four-channel input multiplexer (MUX) is routed

through external pins to allow a common signal

conditioning circuit to be used between the MUX and

ADC, thereby reducing overall component count. The

low-power ADC uses the analog supply as its

reference and can acquire and convert signals in only

10ms. An onboard oscillator eliminates the need to

supply a master clock.

•

Wide Supply Range:

–

Analog Supply: 2.2V to 5.5V

Digital Supply: 1.65V to 5.5V

Small Footprint: 3mm × 3mm QFN

APPLICATIONS

The ADS7924 is offered in a small 3mm × 3mm QFN

and is fully specified for operation over the industrial

temperature range of –40°C to +85°C.

•

Portable and Battery-Powered Systems:

–

Medical, Communications, Remote Sensor

Signal Monitoring, Power-Supply

Monitoring

•

Energy Harvesting

MUX OUT

ADCIN

AVDD

DVDD

SDA

I²C

Interface

SCL

CH0

CH1

Data Buffers,

Sequencer, and

Alarms

INT

4-Channel

MUX

SAR

ADC

CH2

CH3

PWRCON

RESET

Oscillator

AGND

DGND

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.

microPOWER is a trademark of Texas Instruments Incorporated.

I²C is a trademark of NXP Semiconductors.

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...42

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ADS7924IRTER 替代型号

型号	品牌	替代类型	描述	数据表
ADS7924IRTET	TI	完全替代	2.2V, 12-Bit, 4-Channel, microPOWER™ ANALOG-T

与ADS7924IRTER相关器件

型号	品牌	获取价格	描述	数据表
ADS7924IRTET	TI	获取价格	2.2V, 12-Bit, 4-Channel, microPOWER™ ANALOG-T
ADS7945	TI	获取价格	14-Bit, 2 MSPS, Dual-Channel, Differential/Single-Ended, Ultralow-Power Analog-to-Digital
ADS7945_14	TI	获取价格	14-Bit, 2 MSPS, Dual-Channel, Differential/Single-Ended, Ultralow-Power Analog-to-Digital
ADS7945SRTER	TI	获取价格	14-Bit, 2 MSPS, Dual-Channel, Differential/Single-Ended, Ultralow-Power Analog-to-Digital
ADS7945SRTET	TI	获取价格	14-Bit, 2 MSPS, Dual-Channel, Differential/Single-Ended, Ultralow-Power Analog-to-Digital
ADS7946	TI	获取价格	14-Bit, 2 MSPS, Dual-Channel, Differential/Single-Ended, Ultralow-Power Analog-to-Digital
ADS7946SRTER	TI	获取价格	14-Bit, 2 MSPS, Dual-Channel, Differential/Single-Ended, Ultralow-Power Analog-to-Digital
ADS7946SRTET	TI	获取价格	14-Bit, 2 MSPS, Dual-Channel, Differential/Single-Ended, Ultralow-Power Analog-to-Digital
ADS7947	TI	获取价格	12/10/8-Bit 2MSPS, Dual-Channel Unipolar Pseudo-Differential Ultralow-Power SAR Analog-to-
ADS7947_14	TI	获取价格	12/10/8-Bit, 2MSPS, Dual-Channel, Unipolar, Pseudo-Differential, Ultralow-Power SAR Analog

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