• 參數(shù)資料
    型號(hào)： MAX741NCAP
    廠商： MAXIM INTEGRATED PRODUCTS INC
    元件分類(lèi)： 穩(wěn)壓器
    英文描述： Current-Mode SMPS Controller
    中文描述： 1 A SWITCHING CONTROLLER, 160 kHz SWITCHING FREQ-MAX, PDSO20
    封裝： 0.65 MM PITCH, SHRINK, SOP-20
    文件頁(yè)數(shù)： 1/12頁(yè)
    文件大?。?/td> 231K
    代理商： MAX741NCAP
    General Desc ription
    The MAX7400/MAX7403/MAX7404/MAX7407 8th-order,
    lowpass, elliptic, switched-capacitor filters (SCFs) oper-
    ate from a single +5V (MAX7400/MAX7403) or +3V
    (MAX7404/MAX7407) supply. These devices draw 2mA
    of supply current and allow corner frequencies from
    1Hz to 10kHz, making them ideal for low-power anti-
    aliasing and post-DAC filtering applications. They fea-
    ture a shutdown mode that reduces the supply current
    to 0.2μA.
    Two clocking options are available: self-clocking
    (through the use of an external capacitor) or external
    clocking for tighter cutoff-frequency control. In addition,
    an offset adjustment pin (OS) allows for the adjustment
    of the DC output level.
    The MAX7400/MAX7404 provide 82dB of stopband
    rejection and a sharp rolloff with a transition ratio of 1.5.
    The MAX7403/MAX7407 provide a sharper rolloff with a
    transition ratio of 1.2, while still delivering 60dB of stop-
    band rejection. The fixed response of these devices
    simplifies the design task to corner-frequency selection
    by setting a clock frequency. The MAX7400/
    MAX7403/MAX7404/MAX7407 are available in 8-pin SO
    and DIP packages.
    Applic ations
    ADC Anti-Aliasing
    Speech Processing
    Post-DAC Filtering
    Air-Bag Electronics
    CT2 Base Stations
    Features
    o
    8th-Order Lowpass Elliptic Filter
    o
    Low Noise and Distortion
    -82dB THD + Noise (MAX7400)
    o
    Clock-Tunable Corner Frequency (1Hz to 10kHz)
    o
    100:1 Clock-to-Corner Ratio
    o
    Single-Supply Operation
    +5V (MAX7400/MAX7403)
    +3V (MAX7404/MAX7407)
    o
    Low Power
    2mA (Operating Mode)
    0.2μA (Shutdown Mode)
    o
    Available in 8-Pin SO and DIP Packages
    o
    Low Output Offset: ±5mV
    M
    8th-Order, Lowpass, Elliptic ,
    S witc hed-Capac itor Filters
    ________________________________________________________________ Maxim Integrated Products
    For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
    For small orders, phone 1-800-835-8769.
    1
    V
    DD
    IN
    CLK
    OUT
    GND
    INPUT
    0.1
    μ
    F
    0.1
    μ
    F
    CLOCK
    SHDN
    OUTPUT
    V
    SUPPLY
    COM
    OS
    MAX7400
    MAX7403
    MAX7404
    MAX7407
    OS
    OUT
    V
    DD
    1
    2
    8
    7
    CLK
    SHDN
    IN
    GND
    COM
    SO/DIP
    TOP VIEW
    3
    4
    6
    5
    MAX7400
    MAX7403
    MAX7404
    MAX7407
    Typic al Operating Circ uit
    19-4764; Rev 2; 6/99
    Ordering Information continued at end of data sheet.
    Pin Configuration
    Ordering Information
    S elec tor Guide
    MAX7407
    Elliptic (r = 1.2)
    +3
    PART
    FILTER RESPONSE
    OPERATING
    VOLTAGE (V)
    MAX7403
    MAX7404
    MAX7400
    Elliptic (r = 1.5)
    Elliptic (r = 1.2)
    Elliptic (r = 1.5)
    +5
    +5
    +3
    PART
    MAX7400
    CSA
    MAX7400CPA
    MAX7400ESA
    MAX7400EPA
    -40°C to +85°C
    -40°C to +85°C
    0°C to +70°C
    0°C to +70°C
    TEMP. RANGE
    PIN-PACKAGE
    8 SO
    8 Plastic DIP
    8 SO
    8 Plastic DIP
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    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    MAX741NCAP-T 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
    MAX741NCPP 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
    MAX741NEAP 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
    MAX741NEAP-T 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
    MAX741NEPP 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
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