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MAX1958中文資料美信數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

MAX1958
廠商型號(hào)

MAX1958

功能描述

W-CDMA/N-CDMA Cellular Phone HBT PA Management ICs

文件大小

799.09 Kbytes

頁(yè)面數(shù)量

24 頁(yè)

生產(chǎn)廠商 Maxim Integrated Products
企業(yè)簡(jiǎn)稱

Maxim美信

中文名稱

美信半導(dǎo)體官網(wǎng)

原廠標(biāo)識(shí)
數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

更新時(shí)間

2025-3-21 22:30:00

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MAX1958規(guī)格書(shū)詳情

General Description

The MAX1958/MAX1959 power amplifier (PA) power-management ICs (PMICs) integrate an 800mA, dynamically adjustable step-down converter, a 5mA Rail-to-Rail? operational amplifier (op amp), and a precision temperature sensor to power a heterojunction bipolar transistor (HBT) PA in W-CDMA and N-CDMA cell phones.

Features

? Step-Down Converter

??? Dynamically Adjustable Output Voltage from

??? 0.75V to 3.4V (MAX1958)

??? Dynamically Adjustable Output Voltage from

??? 1V to 3.6V (MAX1959)

??? 800mA Guaranteed Output Current

??? 130mV IC Dropout at 600mA Load

??? Low Quiescent Current

??????? 190μA (typ) in Skip Mode (MAX1958)

??????? 3mA (typ) in PWM Mode

??????? 0.1μA (typ) in Shutdown Mode

??? 1MHz Fixed-Frequency PWM operation

??? 16 to 100 Duty-Cycle Operation

No External Schottky Diode Required Soft-Start

? Operational Amplifier

??? 5mA Rail-to-Rail Output

??? Active Discharge in Shutdown

??? 800kHz Gain-Bandwidth Product

??? 120dB Open-Loop Voltage Gain (RL = 100k?)

? Temperature Sensor

??? Accurate Sensor -11.7mV/°C Slope

??? -40°C to +125°C-Rated Temperature Range

? 20-Pin Thin QFN (5mm ? 5mm), 0.8mm Height (max)

Applications

??? W-CDMA and N-CDMA Cellular Phones

??? Wireless PDAs and Modems

產(chǎn)品屬性

  • 型號(hào):

    MAX1958

  • 功能描述:

    模數(shù)轉(zhuǎn)換器 - ADC

  • RoHS:

  • 制造商:

    Texas Instruments

  • 通道數(shù)量:

    2

  • 結(jié)構(gòu):

    Sigma-Delta

  • 轉(zhuǎn)換速率:

    125 SPs to 8 KSPs

  • 分辨率:

    24 bit

  • 輸入類型:

    Differential

  • 信噪比:

    107 dB

  • 接口類型:

    SPI

  • 工作電源電壓:

    1.7 V to 3.6 V, 2.7 V to 5.25 V

  • 最大工作溫度:

    + 85 C

  • 安裝風(fēng)格:

    SMD/SMT

  • 封裝/箱體:

    VQFN-32

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