参数资料
型号: MAX9671CTH+T
厂商: Maxim Integrated Products
文件页数: 4/44页
文件大小: 0K
描述: IC AUDIO/VIDEO SWIT DUAL 44TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 音频/视频切换
电路: 2 x SCART
电压电源: 单电源
电压 - 电源,单路/双路(±): 3.3 V ~ 12 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 44-WFQFN 裸露焊盘
供应商设备封装: 44-TQFN-EP(7x7)
包装: 带卷 (TR)
配用: MAX9671EVKIT+-ND - EVALUATION KIT FOR MAX9671
MAX9670/MAX9671
Low-Power Audio/Video Switch with Audio
Volume Control for Dual SCART Connectors
12
______________________________________________________________________________________
Pin Description
PIN
MAX9670
MAX9671
NAME
FUNCTION
1
SDA
Bidirectional I
2C Data I/O. Output is open drain and tolerates up to 3.6V.
2
SCL
I
2C Clock Input
3
DEV_ADDR
Device Address Set Input. Connect to GNDVID, VVID, SDA or SCL. See Table 3.
44
INT
Interrupt Output. This is an open-drain output that pulls down to GNDVID to
indicate a change in the VCR slow switching or fast switching input, the activity
status of the composite video inputs, or the load status of the composite video
outputs.
55
VAUD
Audio Supply. Connect to a 3.3V supply. Bypass with a 10F aluminum
electrolytic capacitor and a 0.47F ceramic capacitor to EP.
6
C1P
Charge-Pump Flying Capacitor Positive Terminal. Connect a 0.47F capacitor
from C1P to C1N.
7
C1N
Charge-Pump Flying Capacitor Negative Terminal. Connect a 0.47F capacitor
from C1P to C1N.
8
CPVSS
Charge-Pump Negative Power Supply. Bypass with a 1F ceramic capacitor to EP.
9
ENC_INL
Encoder Left-Channel Audio Input
10
ENC_INR
Encoder Right-Channel Audio Input
11
TV_INL
TV SCART Left-Channel Audio Input
12
TV_INR
TV SCART Right-Channel Audio Input
11
13
VCR_INL
VCR SCART Left-Channel Audio Input
12
14
VCR_INR
VCR SCART Right-Channel Audio Input
13
15
TV_OUTL
TV SCART Left-Channel Audio Output
14
16
VCR_OUTL
VCR SCART Left-Channel Audio Output
15
17
VCR_OUTR
VCR SCART Right-Channel Audio Output
16
18
TV_OUTR
TV SCART Right-Channel Audio Output
17
19
TV_SS
TV SCART Bidirectional Slow-Switch Signal
18
20
V12
+12V Supply for the Slow Switching Circuit. Bypass with a 10F + 0.47F ceramic
capacitor to EP.
19
21
VCR_SS
VCR SCART Bidirectional Slow-Switch Signal
20
22
TVOUT_FS
TV SCART Fast-Switching Logic Output
23, 44
N.C.
No Connection. Leave unconnected.
21
24
VCRIN_FS
VCR SCART Fast-Switching Logic Input
22
25
ENC_B_IN
Encoder Blue Video Input
23
26
ENC_G_IN
Encoder Green Video Input
24
27
VCR_B_IN
VCR SCART Blue Video Input
25
28
VCR_G_IN
VCR SCART Green Video Input
26
29
TV_B_OUT
TV SCART Blue Video Output
27
30
TV_G_OUT
TV SCART Green Video Output
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