MAX9670CTL+T Maxim Integrated Products, MAX9670CTL+T Datasheet - Page 16

• Manufacturer Part Number: MAX9670CTL+T
• Description: IC AUDIO/VIDEO SWIT DUAL 40TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX9670CTL+T

• Function: Audio/Video Switch
• Circuit: 2 x SCART
• Voltage Supply Source: Single Supply
• Voltage - Supply, Single/dual (±): 3.3 V ~ 12 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 40-WFQFN Exposed Pad
• For Use With: MAX9670EVKIT+ - EVALUATION KIT FOR MAX9670
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Power Audio/Video Switch with Audio
Volume Control for Dual SCART Connectors
The video circuit routes different video formats between
the set-top box decoder, the TV SCART connector, and
Figure 3. MAX9670/MAX9671 Video Section Function Diagram
16
______________________________________________________________________________________
VCR_Y/CVBS_IN
ENC_Y/CVBS_IN
TV_Y/CVBS_IN
VCR_R/C_IN
ENC_R/C_IN
ENC_C_IN
VCR_G_IN
ENC_G_IN
ENC_Y_IN
VCR_B_IN
ENC_B_IN
VCRIN_FS
TO I
TO I
CLAMP/BIAS
CLAMP/BIAS
CLAMP/BIAS
CLAMP
CLAMP
CLAMP
CLAMP
CLAMP
CLAMP
CLAMP
CLAMP
0.7V
2
2
C
C
Video Section
MUTE
MUTE
MUTE
MUTE
x1
x1
LPF
LPF
LPF
LPF
LPF
LPF
GNDVID
ACTIVITY DETECT
ACTIVITY DETECT
ACTIVITY DETECT
ACTIVITY DETECT
V
+6V
+6V
V
V
VID
EP
EP
12
12
the VCR SCART connector. It also routes slow-switch
and fast-switch control information. See Figure 3.
MAX9670/MAX9671
A
A
A
A
A
A
A
A
A
V
V
V
V
V
V
V
V
V
= 2V/V
= 2V/V
= 2V/V
= 2V/V
= 2V/V
= 2V/V
= 1V/V
= 1V/V
= 1V/V
LOAD SENSE
LOAD SENSE
TV_Y/CVBS_OUT
VCR_Y/CVBS_OUT
TV_R/C_OUT
VCR_R/C_OUT
TV_G_OUT
TV_B_OUT
TVOUT_FS
TV_SS
VCR_SS