參數(shù)資料
型號: AD8369ARUZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 11/24頁
文件大小: 0K
描述: IC AMP VGA 16TSSOP
標準包裝: 1,000
系列: X-AMP®
放大器類型: 可變增益
電路數(shù): 1
轉(zhuǎn)換速率: 1200 V/µs
-3db帶寬: 600MHz
電流 - 輸入偏壓: 160µA
電流 - 電源: 37mA
電壓 - 電源,單路/雙路(±): 3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 帶卷 (TR)
REV. 0
AD8369
–19–
Table III. AD8369 Evaluation Board Configuration Options
Component
Function
Default Condition
VPOS, GND
Supply and Ground Vector Pins
Not Applicable
SW1
Data Enable: Set to Position A when in serial mode of operation, set to Position B
Not Applicable
when in parallel mode of operation.
SW2
Device Enable: When in the PWDN position, the PWUP pin will be connected to
Not Applicable
ground and the AD8369 will be disabled. The device is enabled when the switch is
in the PWUP position, connecting the PWUP pin to VPOS.
SW3, R5
Serial/Parallel Selection. The device will respond to serial control inputs from
Not Applicable
connector P1 when the switch is in the SER position. Parallel operation is achieved
R5 = Open (Size 0603)
when in the PAR position. Device can be hardwired for parallel mode of operation by
placing the 0
W resistor in position R5.
SW4
Parallel Interface Control. Used to hardwire BIT0 through BIT3 to the desired gain
Not Applicable
code when in parallel mode of operation. The switch functions as a hexadecimal
to binary encoder (Gain Code 0 = 0000, Gain Code 15 = 1111).
J1, J2, J6, J7
Input and Output Signal Connectors. These SMA connectors provide a convenient
Not Applicable
way to interface the evaluation board with 50
W test equipment.
C1, C2, C3, C4
AC-Coupling Capacitors. Provides ac-coupling of the input and output signals.
C1, C2, C3, C4
= 1 nF (Size 0603)
T1, T2
Impedance Transformers. Used to transform the 200
W input and output
T1, T2 = TC4-1W
impedance to 50
W.
(MiniCircuits)
R1, R2, R11, R12
Single-Ended or Differential. R2 and R11 are used to ground the center tap of
R1, R2, R11, R12
the secondary windings on transformers T1 and T2. R1 and R12 should be used
= 0
W (Size 0603)
to ground J2 and J7 when used in single-ended applications. R1 and R12 should be
removed for differential operation.
R6, R7, R8, R9, R10 Control Interface Resistors. Simple series resistors for each control interface signal.
R6, R7, R8, R9,
R10 = 0
W (Size 0603)
C5, C6, C8
Power Supply Decoupling. Nominal supply decoupling consists of a 0.1
mF capacitor
C5 = 0.1
mF (Size 0603)
to ground followed by a 1 nF capacitor to ground positioned as close to the device
C6 = C8 = 1 nF
as possible. C8 provides additional decoupling of the input common-mode voltage.
(Size 0603)
C7
High-Pass Filter Capacitor. Used to set high-pass corner frequency of output.
C7 = 0.1
mF (Size 0603)
C9
Clock Filter Capacitor. May be required with some printer ports to minimize overshoot.
C9 = Open (Size 0603)
The clock waveform may be smoothed using a simple filter network established by
R7 and C9. Some experimentation may be necessary to determine optimum values.
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