參數(shù)資料
型號(hào)： AD8310ARMZ-REEL7
廠(chǎng)商： Analog Devices Inc
文件頁(yè)數(shù)： 14/24頁(yè)
文件大?。?/td> 0K
描述： IC AMP LOGARITHMIC 8MSOP
標(biāo)準(zhǔn)包裝： 1,000
類(lèi)型： 對(duì)數(shù)放大器
應(yīng)用： 接收器信號(hào)強(qiáng)度指示（RSSI）
安裝類(lèi)型： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 8-MSOP
包裝： 帶卷 (TR)
AD8310
Rev. F | Page 21 of 24
Table 6. Evaluation Board Setup Options
Component
Function
Default Condition
TP1, TP2
Supply and Ground Vector Pins.
Not applicable
SW1
Device Enable. When in Position A, the ENBL pin is connected to +VS, and the AD8310 is in normal
operating mode. When in Position B, the ENBL pin is connected to ground, putting the device into
sleep mode.
SW1 = A
R1/R4
SMA Connector Grounds. Connects common of INHI and INLO SMA connectors to ground. They
can be used to isolate the generator ground from the evaluation board ground. See Figure 28.
R1 = R4 = 0 Ω
C1, C2, R3
Input Interface. R3 (52.3 Ω) combines with the AD8310’s 1 kΩ input impedance to give an overall
broadband input impedance of 50 Ω. C1, C2, and the AD8310’s input impedance combine to set a
high-pass input corner of 32 kHz. Alternatively, R3, C1, and C2 can be replaced by an inductor and
matching capacitors to form an input matching network. See the Input Matching section for details.
R3 = 52.3 Ω,
C1 = C2 = 0.01 μF
C3
RSSI (Video) Bandwidth Adjust. The addition of C3 (farads) lowers the RSSI bandwidth of the
AD8310’s output according to the following equation:
CFILT = 1/(2π × 3 kΩ Video Bandwidth) 2.1 pF
C3 = open
C4, C5, R5
Supply Decoupling. The normal supply decoupling of 0.01 μF (C4) can be augmented by a larger
capacitor in C5. An inductor or small resistor can be placed in R5 for additional decoupling.
C4 = 0.01 μF,
C5 = open, R5 = 0 Ω
R6
Output Source Impedance. In cable-driving applications, a resistor (typically 50 Ω or 75 Ω) can be
placed in R6 to give the circuit a back-terminated output impedance.
R6 = 0 Ω
W1, W2, C6, R7
Output Loading. Resistors and capacitors can be placed in C6 and R7 to load-test VOUT. Jumper W1
and Jumper W2 are used to connect or disconnect the loads.
C6 = R7 = open,
W1 = W2 = installed
C7
Offset Compensation Loop. A capacitor in C7 reduces the corner frequency of the offset control
loop in low frequency applications.
C7 = open
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