Datasheet > MAX35104ETL+T

MAX35104ETL+T

更新时间： 2024-10-04 02:52:55

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
80页	1299K
描述
Gas Flow Meter SoC

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MAX35104ETL+T 数据手册

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MAX35104

Gas Flow Meter SoC

General Description

Beneﬁts and Features

● High Accuracy Flow Measurement for Billing and

The MAX35104 is a gas flow meter system-on-chip (SoC)

targeted as an analog front-end solution for the ultrasonic

gas meter and medical ventilator markets. With a time

measurement accuracy of 700ps and automatic differen-

tial time of flight (TOF), the device makes for simplified

computation of gaseous flow.

Leak Detection

• Time-to-Digital Accuracy Down to 700ps

Measurement Range Up to 8ms

• 2 Channels: Single-Stop Channel

● High Accuracy Temperature Measurement for Precise

Flow Calculations

Power consumption is the lowest available with ultra-low

62µA time-of-flight measurement and 125nA duty-cycled

temperature measurement. Multi-hit (up to six per wave)

capability with stop-enable windowing allows the device to

be fine-tuned for the application. Internal analog switches,

a configurable three-stage integrated operational ampli-

fier chain amplifier, and an ultra-low input offset compara-

tor provide the analog interface and control for a minimal

electrical bill of material solution. A programmable high-

voltage (up to 30V) pulse launcher provides up to 19dB of

transducer launch amplitude adjustment to compensate

for transducer aging and temperature, pressure, humidity

affects. Early edge detection ensures measurements are

made with consistent wave patterns to greatly improve

accuracy and eliminate erroneous measurements. Built-in

arithmetic logic unit provides TOF difference measure-

ments and programmable receiver hit accumulators to

minimize the host microprocessor access. For tempera-

ture measurement, the device supports a single 2-wire

PT1000 platinum resistive temperature detector (RTD) or

NTC thermistor. A simple 4-wire SPI interface allows any

microcontroller to effectively configure the device for its

intended measurement.

• One 2-Wire Sensor: PT1000, PT500 RTD, and

Thermistor Support

● Maximizes Battery Life with Low Device and Overall

System Power

• Ultra-Low 62µA TOF Measurement and 125nA

Duty-Cycled Temperature Measurement

• Event Timing Mode with Randomizer Reduces

Host μC Overhead to Minimize System Power

Consumption

• 2.3V to 3.6V Single-Supply Operation

● High Integration Solution Minimizes Parts Count and

Reduces BOM Cost

• Built-In Real-Time Clock

• Small, 5mm x 5mm, 40-Pin TQFN Package

• -40°C to +85°C Operation

Ordering Information appears at end of data sheet.

Applications

● Ultrasonic Gas Meters

● Medical Ventilators

19-8501; Rev 3; 12/17

12 3 4 5 6 7...80

中文翻译

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与MAX35104ETL+T相关器件

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MAX3510EEP	MAXIM	获取价格	Upstream CATV Amplifier
MAX3510EEP	ROCHESTER	获取价格	5MHz - 65MHz RF/MICROWAVE NARROW BAND LOW POWER AMPLIFIER, QSOP-20
MAX3510EEP+	MAXIM	获取价格	Upstream CATV Amplifier
MAX3510EEP+T	MAXIM	获取价格	Narrow Band Low Power Amplifier, 5MHz Min, 65MHz Max, 1 Func, QSOP-20
MAX3510EEP-T	MAXIM	获取价格	Narrow Band Low Power Amplifier, 5MHz Min, 65MHz Max, 1 Func, QSOP-20
MAX3510EEP-T	ROCHESTER	获取价格	5MHz - 65MHz RF/MICROWAVE NARROW BAND LOW POWER AMPLIFIER, QSOP-20
MAX3510EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX3510
MAX3514	MAXIM	获取价格	Upstream CATV Amplifiers
MAX3514EEP	MAXIM	获取价格	Upstream CATV Amplifiers
MAX3514EEP+	ROCHESTER	获取价格	5MHz - 65MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER, LEAD FREE, QSOP-20

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