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    參數(shù)資料
    型號: MCP6444-E/ST
    廠商: Microchip Technology
    文件頁數(shù): 34/46頁
    文件大?。?/td> 0K
    描述: IC OPAMP QUAD 1.6V 9KHZ 14TSSOP
    標(biāo)準(zhǔn)包裝: 96
    放大器類型: 通用
    電路數(shù): 4
    輸出類型: 滿擺幅
    轉(zhuǎn)換速率: 0.003 V/µs
    增益帶寬積: 9kHz
    電流 - 輸入偏壓: 1pA
    電壓 - 輸入偏移: 4500µV
    電流 - 電源: 0.45µA
    電流 - 輸出 / 通道: 22mA
    電壓 - 電源,單路/雙路(±): 1.4 V ~ 6 V
    工作溫度: -40°C ~ 125°C
    安裝類型: 表面貼裝
    封裝/外殼: 14-TSSOP(0.173",4.40mm 寬)
    供應(yīng)商設(shè)備封裝: 14-TSSOP
    包裝: 管件
    MCP6441/2/4
    DS22257C-page 4
    2010-2012 Microchip Technology Inc.
    1.2
    Test Circuits
    The circuit used for most DC and AC tests is shown in
    Figure 1-1. This circuit can independently set VCM and
    VOUT (see Equation 1-1). Note that VCM is not the
    circuit’s Common Mode voltage ((VP +VM)/2), and that
    VOST includes VOS plus the effects (on the input offset
    error, VOST) of the temperature, CMRR, PSRR and
    AOL.
    EQUATION 1-1:
    FIGURE 1-1:
    AC and DC Test Circuit for
    Most Specifications.
    AC ELECTRICAL SPECIFICATIONS
    Electrical Characteristics: Unless otherwise indicated, T
    A = +25°C, VDD = +1.4V to +6.0V, VSS = GND,
    VCM = VDD/2, VOUT ≈ VDD/2, VL = VDD/2, RL = 1 MΩ to VL and CL = 60 pF. (Refer to Figure 1-1).
    Parameters
    Sym
    Min
    Typ
    Max
    Units
    Conditions
    AC Response
    Gain Bandwidth Product
    GBWP
    9
    kHz
    Phase Margin
    PM
    65
    °
    G = +1 V/V
    Slew Rate
    SR
    3
    V/ms
    Noise
    Input Noise Voltage
    Eni
    5
    Vp-p
    f = 0.1 Hz to 10 Hz
    Input Noise Voltage Density
    eni
    —190
    nV/
    √Hz f = 1 kHz
    Input Noise Current Density
    ini
    —0.6
    fA/
    √Hz
    f = 1 kHz
    TEMPERATURE SPECIFICATIONS
    Electrical Characteristics: Unless otherwise indicated, V
    DD = +1.4V to +6.0V and VSS = GND.
    Parameters
    Sym
    Min
    Typ
    Max
    Units
    Conditions
    Temperature Ranges
    Operating Temperature Range
    TA
    -40
    +125
    °C
    Storage Temperature Range
    TA
    -65
    +150
    °C
    Thermal Package Resistances
    Thermal Resistance, 5L-SC70
    θ
    JA
    331
    °C/W
    Thermal Resistance, 5L-SOT-23
    θ
    JA
    —220.7
    °C/W
    Thermal Resistance, 8L-MSOP
    θ
    JA
    —211
    °C/W
    Thermal Resistance, 8L-SOIC
    θ
    JA
    —149.5
    °C/W
    Thermal Resistance, 8L-2x3 TDFN
    θ
    JA
    —52.5
    °C/W
    Thermal Resistance, 14L-SOIC
    θ
    JA
    —95.3
    °C/W
    Thermal Resistance, 14L-TSSOP
    θ
    JA
    100
    °C/W
    Note 1:
    The internal junction temperature (TJ) must not exceed the absolute maximum specification of +150°C.
    G
    DM
    R
    F RG
    =
    V
    CM
    V
    P
    V
    DD 2
    +
    () 2
    =
    V
    OUT
    V
    DD 2
    ()
    V
    P
    V
    M
    () V
    OST 1GDM
    +
    ()
    ++
    =
    Where:
    GDM = Differential Mode Gain
    (V/V)
    VCM = Op Amp’s Common Mode
    Input Voltage
    (V)
    VOST = Op Amp’s Total Input Offset Voltage (mV)
    V
    OST
    V
    IN –
    V
    IN+
    =
    VDD
    RG
    RF
    VOUT
    VM
    CB2
    CL
    RL
    VL
    CB1
    100 k
    Ω
    100 k
    Ω
    RG
    RF
    VDD/2
    VP
    100 k
    Ω
    100 k
    Ω
    60 pF
    1M
    Ω
    1F
    100 nF
    VIN–
    VIN+
    CF
    6.8 pF
    CF
    6.8 pF
    MCP6441
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