STV8203 データシートの表示（PDF） - STMicroelectronics

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STV8203

MULTISTANDARD TV SOUND DEMODULATOR

STMicroelectronics 

STV8203

ELECTRICAL CHARACTERISTICS (Tamb = 25oC, unless otherwise specified) (continued)

Symbol

Parameter

Test Conditions

Min. Typ. Max.

FM DEMODULATION PATH (see Figure 8)

fRESP Frequency Response

SNR FM Signal to Noise

THD FM Total Harmonic Distortion

SEP FM German Stereo Channel

Separation

AMR AM Rejection

20Hz - 15kHz

100mVRMS, unweighted 20Hz-15kHz,

Output 2VRMS @ 1kHz

Output signal 1VRMS @ 1kHz,

50kHz FM deviation

SIF = 100mVRMS

30% modulation @ 1kHz

-1.0

+1.0

65

0.2

40

60

VFMOUT Maximum Output Swing

2

NICAM DEMODULATION PATH (see Figure 8)

SNR NIC Signal to Noise

THD NIC Total Harmonic Distortion

VNICOUT Maximum Output Swing

SEP NIC Channel Separation

100mVRMS, unweighted 20Hz-15kHz, 72

Output 2VRMS @ 1kHz

Output signal 1VRMS @ 1kHz

0.07

2

60

AUDIO MATRIX (see Figure 9)

RIN Input Resistance

30

VCL Input Clipping Level

AVCC = 8V

2

AVCC = 5V

1

GMAT

Prescaling = 0

VIN = 1VRMS, 15Hz to 15kHz

-0.5 0 0.5

ROUT Output Resistance

All audio output except Mono output

200

Mono output

400

SNR Signal to Noise Ratio

Preline in = 0,

90

VOUT = 2VRMS, unweighted 20Hz-15kHz

XLR Audio L to R Channel Crosstalk

60

X12 Audio Crosstalk from Channel 1 2VRMS @ 1kHz

80

to Channel 2

Unit

dB

dB

%

dB

dB

VRMS

dB

%

VRMS

dB

kΩ

VRMS

VRMS

dB

Ω

Ω

dB

dB

dB

Figure 8 : SynopticA

SIF1

DIGITAL

DEMODULATATION

STV8203

DAC

Analog

Switch

AOL1

or AOR1

Figure 8 : SynopticA

STV8203

AIL1 or 2

or

AIR1 or 2

Analog

Switch

AOL1 or 2

or

AOR1 or 2

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