MC44C401LAC Datasheet MC44C401LEVK, MC44C401EVK, MC44C401LACR2 | P4-P6

MTS Stereo Encoder, Rev. 0.5

4 PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE Freescale Semiconductor

I/O Description

4 I/O Description

4.1 Signal List

The Stereo Modulator I/O signals are described in Table 1.

Table 1. MC44C401L Signal Descriptions

Signal Pin # Description

Analog

VINL 9 Left channel input voltage

VREFP 4 ADC ref. input voltage

VAGO 3,6,10 Analog virtual ground

VREFM 5 ADC ref. input voltage

VINR 2 Right channel input voltage

CVBS 1 Composite video input

Digital

CA 15 Composite Audio Output

VID_PRES 17 Video present flag, 0 = no video, hi-z = video

present valid after 100 lines of valid video

NC 23,14,

13,12

No Connect

Clocks

XTALIN 28 Crystal input

XTALOUT 27 Crystal output

CLK4MHZ

22 4 MHz clock for Audio/Video modulator IC

Power Supply

APLLVDD 30 APLL analog supply voltage, 1.8 V

APLLVSS 29 APLL analog ground

SSVDD 31 Sync Separator analog supply voltage, 3.3 V

SSVSS 32 Sync Separator analog ground

ADCVDD 7 ADC analog supply voltage, 3.3 V

ADCVSS 8 ADC analog ground

MTS Stereo Encoder, Rev. 0.5

Freescale Semiconductor PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE 5

Electrical Specifications

5 Electrical Specifications

5.1 DC Characteristics

DACVDD 11 DAC I/O supply voltage, 3.3 V

DACVSS 16 DAC I/O ground

DVDD 21 Digital Logic supply voltage, 1.8 V

DVSS 18, 19,

20, 24,

Digital Logic/I/O ground

OVDD 25 I/O supply voltage, 3.3 V

Use a 4MHz LPF or BPF on this clock signal to the modulator

Table 2. MC44C401L DC Characteristics (Preliminary)

PIN Symbol Parameter Min Typ Max Unit

DVDD - 1.8 V Digital Logic 1.62 1.80 1.98 V

DVDD - 1.8 V Digital Logic 18.0 22.0 mA

OVDD - 3.3 V Digital Output 2.97 3.30 3.63 V

OVDD - 3.3 V Digital Output 2.0 8.0 mA

DACVDD - 3.3 V DAC Supply 2.97 3.30 3.63 V

DACVDD - 3.3 V DAC Supply 7.0 9.0 mA

ADCVDD - 3.3 V ADC Supply 2.97 3.30 3.63 V

ADCVDD - 3.3 V ADC Supply 7.0 9.0 mA

SSVDD - 3.3 V Sync. Sep Supply 2.97 3.3 3.63 V

SSVDD - 3.3 V Sync. Sep Supply 2.0 mA

APLLVDD - 1.8 V APLL Supply 1.62 1.8 1.98 V

APLLVDD - 1.8 V APLL Supply 3.0 mA

VREFP - Voltage Ref. Bypass plus 2.0 V

VREFM - Voltage Ref. Bypass minus 1.0 V

VAGO - Voltage Ref. Ground 1.5 V

VINX V

Signal Input VREFM VREFP V

VINX V

Signal Input VREFM VREFP V

CVBS Video input (See Figure 2) 1 V

Table 1. MC44C401L Signal Descriptions (continued)

Signal Pin # Description

MTS Stereo Encoder, Rev. 0.5

6 PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE Freescale Semiconductor

Electrical Specifications

5.2 AC Characteristics

CLK4MHZ V

4 MHz Clock Output @ I =.6 mA 2.97 V

CLK4MHZ V

4 MHz Clock Output @ I =.6 mA 3.63 V

CA V

Composite Audio Output 2.2 V

is measured at I

load

= 6 mA (see test circuit Figure 2)

Table 3. MC44C401L AC Characteristics (Preliminary) (See Figure 2)

SIGNALS Symbol Parameter

See Figure 2 for test setup

Min Typ Max Unit

LEFT/RIGHT IN Input Level 1.0 V

LEFT/RIGHT IN Input Impedance 250 kΩ

COMPOSITE Composite Output Level

Test conditions 1 kHz 0 dB

2.2 V

COMPOSITE SNR

Measured in 20 Hz to 13.5 kHz bandwidth

65 75 dB

COMPOSITE THD<superscript>2 0.1 0.3 %

COMPOSITE -1 db Bandwidth 20 14000 Hz

CVBS IN Video Level 0.5 2.0 V

CVBS Zin Video Input Impedance 1000 W

Stereo Separation 500Hz - 5KHz

Measured -10 dB input level

35 dB

Stereo Separation 100Hz -

10KHz

<superscript>4

30 35 dB

Table 2. MC44C401L DC Characteristics (continued)(Preliminary)

PIN Symbol Parameter Min Typ Max Unit

P1-P3 P4-P6 P7-P9 P10-P12

MC44C401LAC

Mfr. #:

Buy MC44C401LAC

Manufacturer:

NXP Semiconductors

Description:

IC STEREO ENCODER MTS 32-LQFP

Lifecycle:

New from this manufacturer.

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MC44C401LAC

MC44C401LAC

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