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參數資料
| 型號： | AD8369 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | 45 dB Digitally Controlled VGA LF to 600 MHz |
| 中文描述： | 45分貝的數字控制VGA低頻至600兆赫 |
| 文件頁數： | 19/24頁 |
| 文件大小： | 968K |
| 代理商： | AD8369 |
REV. 0
AD8369
–19–
Table III. AD8369 Evaluation Board Configuration Options
Component
Function
Default Condition
VPOS, GND
SW1
Supply and Ground Vector Pins
Data Enable: Set to Position A when in serial mode of operation, set to Position B
when in parallel mode of operation.
Device Enable: When in the PWDN position, the PWUP pin will be connected to
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.
Serial/Parallel Selection. The device will respond to serial control inputs from
connector P1 when the switch is in the SER position. Parallel operation is achieved
when in the PAR position. Device can be hardwired for parallel mode of operation by
placing the 0
W
resistor in position R5.
Parallel Interface Control. Used to hardwire BIT0 through BIT3 to the desired gain
code when in parallel mode of operation. The switch functions as a hexadecimal
to binary encoder (Gain Code 0 = 0000, Gain Code 15 = 1111).
Input and Output Signal Connectors. These SMA connectors provide a convenient
way to interface the evaluation board with 50
W
test equipment.
AC-Coupling Capacitors. Provides ac-coupling of the input and output signals.
Not Applicable
Not Applicable
SW2
Not Applicable
SW3, R5
Not Applicable
R5 = Open (Size 0603)
SW4
Not Applicable
J1, J2, J6, J7
Not Applicable
C1, C2, C3, C4
C1, C2, C3, C4
= 1 nF (Size 0603)
T1, T2 = TC4-1W
(MiniCircuits)
R1, R2, R11, R12
= 0
W
(Size 0603)
T1, T2
Impedance Transformers. Used to transform the 200
W
input and output
impedance to 50
W
.
Single-Ended or Differential. R2 and R11 are used to ground the center tap of
the secondary windings on transformers T1 and T2. R1 and R12 should be used
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.
R1, R2, R11, R12
R6, R7, R8, R9,
R10 = 0
W
(Size 0603)
C5 = 0.1
m
F (Size 0603)
C6 = C8 = 1 nF
(Size 0603)
C7 = 0.1
m
F (Size 0603)
C9 = Open (Size 0603)
C5, C6, C8
Power Supply Decoupling. Nominal supply decoupling consists of a 0.1
m
F capacitor
to ground followed by a 1 nF capacitor to ground positioned as close to the device
as possible. C8 provides additional decoupling of the input common-mode voltage.
High-Pass Filter Capacitor. Used to set high-pass corner frequency of output.
Clock Filter Capacitor. May be required with some printer ports to minimize overshoot.
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.
C7
C9
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| AD8369ARUZ | 功能描述:IC AMP VGA 16TSSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:X-AMP® 標準包裝:2,500 系列:- 放大器類型:通用 電路數:4 輸出類型:- 轉換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
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