Manual

MAX9670/MAX9671
Low-Power Audio/Video Switch with Audio
Volume Control for Dual SCART Connectors
30 ______________________________________________________________________________________
OPERATING MODE
POWER CONSUMPTION
(mW)
Shutdown 0.13
Standby mode with no video
activity (i.e., TV slow-switch and
VCR slow-switch inputs are at
ground). Standby mode is the
power-on default.
2.83
Full-power mode with input video
detection and video load
detection active.
66
Full-power mode without input
video detection and video load
detection active.
65
Table 7. Quiescent Power Consumption
OPERATING MODE
POWER CONSUMPTION
(mW)
Full-power mode with input video
detection and video load
detection active.
300
Full-power mode without input
video detection and video load
detection active.
300
Table 8. Average Power Consumption
PIN (MAX9670) NAME TYPE SIGNAL LOAD
5V
AUD
Supply 3.3V N/A
9 ENC_INL Input 0.25V
RMS
, 1kHz N/A
10 ENC_INR Input 0.25V
RMS
, 1kHz N/A
11 VCR_INL Input None N/A
12 VCR_INR Input None N/A
13 TV_OUTL Output 1V
RMS
, 1kHz 10kΩ to ground
14 VCR_OUTL Output 1V
RMS
, 1kHz 10kΩ to ground
15 VCR_OUTR Output 1V
RMS
, 1kHz 10kΩ to ground
16 TV_OUTR Output 1V
RMS
, 1kHz 10kΩ to ground
17 TV_SS Output 12V 10kΩ to ground
18 V
12
Supply 12V N/A
19 VCR_SS Input 0 N/A
20 TVOUT_FS Output 3.3V 150Ω to ground
21 VCRIN_FS Input 0 N/A
22 ENC_B_IN Input 50% flat field N/A
23 ENC_G_IN Input 50% flat field N/A
24 VCR_B_IN Input None N/A
25 VCR_G_IN Input None N/A
26 TV_B_OUT Output 50% flat field 150Ω to ground
27 TV_G_OUT Output 50% flat field 150Ω to ground
28 GNDVID Supply 0 N/A
29 VCR_R/C_IN Input None N/A
30 V
VID
Supply 3.3V N/A
Table 9. Conditions for Average Power Consumption Measurement