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參數(shù)資料
| 型號： | MAX9547ESA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC INTERFACE VIDEO 8-SOIC-EP |
| 標準包裝： | 1 |
| 應用： | 接收器 |
| 電路數(shù)： | 1 |
| -3db帶寬： | 20MHz |
| 轉換速率： | 50 V/µs |
| 電流 - 電源： | 70mA |
| 電流 - 輸出 / 通道： | 21mA |
| 電壓 - 電源，單路/雙路(±)： | 7.5 V ~ 10 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm Width）裸露焊盤 |
| 供應商設備封裝： | 8-SO 裸露焊盤 |
| 包裝： | 標準包裝 |
| 其它名稱： | MAX9547ESA+TDKR |
MAX9546/MAX9547
Differential Video Interface Chipset
8
_______________________________________________________________________________________
Detailed Description
The MAX9546/MAX9547 differential interface chipset
converts single-ended voltages to differential voltages
for transport and then converts back to single-ended
voltages. The chipset is optimized for transporting
CVBS/FBAS analog video signals (PAL or NTSC)
through hostile automotive environments. The
MAX9546 driver includes a fault output (FAULT) that
indicates shorted transmission cables. The MAX9547
receiver loss-of-signal output (LOS) indicates an
absence of input signal.
The MAX9546/MAX9547 operate from a 7.5V to 10V sin-
gle supply. The differential interface is immune to short-
circuit conditions to an automotive battery (VBAT = 16V),
supply (VCC), or ground. These devices include ±15kV
ESD (Human Body Model) protection.
MAX9546
Driver
The MAX9546 driver converts a single-ended video
input into a differential output for transport across a
twisted pair of wires. The input is AC-coupled and the
video signal sync tip is clamped at 3.46V to set the
voltage of the input. The output common-mode voltage
is optimized to reject ground differences between the
MAX9546 and MAX9547 up to ±2V. The differential
gain is internally set to 2V/V to drive a back-terminated
output to unity gain. The maximum input resistance
should not exceed 400 to ensure device stability.
Pin Description (MAX9546)
PIN
NAME
FUNCTION
1, 8
VCC
Power Supply. Connect together and bypass with a 0.1F in parallel with a 4.7F capacitor to
GND.
2
IN
Video Input
3
FAULT
Fault Indicator. Active-low, open-drain output.
FAULT = low when fault is detected at the output.
FAULT = high when no fault is detected at the output.
4, 5
GND
Ground
6
OUT-
Negative Differential Output
7
OUT+
Positive Differential Output
EP
Exposed Paddle. Connect to GND.
Pin Description (MAX9547)
PIN
NAME
FUNCTION
1
IN+
Positive Differential Input
2
ZT+
Positive Transconductance Terminal
3
ZT-
Negative Transconductance Terminal
4
IN-
Negative Differential Input
5
GND
Ground
6
LOS
Loss-of-Signal Indicator. Active-low, open-drain output.
LOS = low when no signal is detected at
the input.
LOS = high when signal is present at the input.
7
IOUT
Current Output
8VCC
Power Supply. Bypass with a 0.1F capacitor in parallel with a 4.7F capacitor to GND.
EP
Exposed Paddle. Connect to GND.
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