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參數(shù)資料
| 型號(hào)： | MAX9680AXT+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VIDEO AMP 3V W/FILTER SC70-6 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 視頻放大器 |
| 應(yīng)用： | 數(shù)碼相機(jī)，手機(jī)，便攜式視頻 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 6-TSSOP，SC-88，SOT-363 |
| 供應(yīng)商設(shè)備封裝： | SC-70-6 |
| 包裝： | 帶卷 (TR) |
3V Video Amplifier with
Internal Gain and Filter in SC70
MAX9680
_______________________________________________________________________________________ 7
Application Information
Input Considerations
The MAX9680 input is DC-coupled. When the supply volt-
age is between 2.7V and 3.6V, the input voltage range
extends from ground to 0.445V. When the supply volt-
age is between 2.8V and 3.6V, the input voltage range
extends from ground to 0.464V. A typical current-output
DAC that operates from a single supply usually creates
a composite video signal with a sync tip very close to
ground. Hence, the DAC output can be directly con-
nected to the MAX9680 input. Keep the board trace as
short as possible to minimize parasitic stray capacitance
and prevent unintentional high-frequency attenuation.
Output Considerations
The MAX9680 output must be DC-coupled. No
AC-coupled capacitors are allowed. The MAX9680 con-
nects directly to the video cable through a 75I series
back-termination resistor. The other end of the cable
should be properly terminated with a 75I resistor as
well. Because of this configuration, the peak-to-peak
amplitude as well as the DC level of the signal is divided
by two. The MAX9680 output signal is level-shifted up so
the sync tip is approximately 120mV.
Power-Supply Bypassing and Ground
The MAX9680 operates from a single-supply voltage
down to 2.7V, allowing for low-power operation. Bypass
VDD to GND with a 0.1FF capacitor. Place all external
components as close as possible to the device.
Chip Information
PROCESS: BiCMOS
Typical Application Circuit
DAC
VDD = 2.8V
IN
RIN
BUFFER
LPF
OUT
ENABLE
GND
G = 5.2V/V
RSET
75I
RSET
GENERAL-PURPOSE OUTPUT
VIDEO ENCODER
MAX9680
SHUTDOWN
CONTROL
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