MC44C401LAC Freescale Semiconductor, MC44C401LAC Datasheet - Page 10

• Manufacturer Part Number: MC44C401LAC
• Description: IC STEREO ENCODER MTS 32-LQFP
• Manufacturer: Freescale Semiconductor
• Type: Audio Encoderr

Specifications of MC44C401LAC

• Applications: Set-Top Boxes, Video Players, Recorders
• Voltage - Supply, Analog: 2.97 V ~ 3.63 V
• Voltage - Supply, Digital: 2.97 V ~ 3.63 V
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• For Use With: MC44C401LEVK - KIT EVAL MC44C401L MTS ENCODERMC44C401EVK - KIT EVAL MC44C401 MTS ENCODER

Functional Description
10
Audio Precision SYS2
NOTES:
Audio Generator
1. Input 1kHz both channels @ 1.45Vp-p.
2. Set attenuator for 25kHz deviation out of modulator.
3. Input 1.8kHz 0.4Vp-p on left channel only and
Audio Spectrum
Audio Analyzer
optimize stereo separation with attenuator.
Analyzer
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Spectrum Analyzer
Precision Receiver
Sciences SRD1)
Precision MTS
(TEK TV1350)
(Modulation
Figure 7. MC44C401L Level Setup
Decoder
MTS Stereo Encoder, Rev. 0.5
Left In
Right In
only Left Channel
Adjust for optimal
separation with
driven 1800Hz
Attenuator
Input Left Channel only
Wide Band
Output
1800Hz 400mVp-p
Stereo Encoder
Pre-emphasis
Modulator
No Audio
10396Hz @ 25kHz deviation
25kHz deviation Check =
gives bessel null and Ref
0db / 25kHz deviation =
1.4Vp-p @ 1kHz Mono
(both channels driven)
Level on SRD-1
CVBS In
Composite Video
Notch Filter
4.5MHz
Freescale Semiconductor
Composite
Video