TDA7500A データシートの表示（PDF） - STMicroelectronics

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TDA7500A

DIGITAL AM/FM SIGNAL PROCESSOR

STMicroelectronics 

TDA7500A

ADC ELECTRICAL CHARACTERISTCS (Tamb = 25°C, VCC = 3.3V, measurement bandwidth 10Hz to

160KHz.)

Symbol

Parameter

Test Condition

Min. Typ. Max. Unit

Input Voltage Dynamic Range

0.75 0.8 Vrms

Sampling rate

FM-Mode

390 KHz

Dynamic Range

-60dB analog input

60

dB

SNR

1KHz; -3dB analog input

60

dB

DAC PERFORMANCE (Tamb = 25°C, VCC = 3.3V, measurement bandwidth 10Hz to 20KHz, A-Weighted Filter

0dB gain, output load 30kΩ)

Symbol

Parameter

Test Condition

Min. Typ. Max. Unit

Output voltage dynamic range

0.87 0.9 0.93 Vrms

Sampling rate

48

KHz

Attenuation @ 20kHz

@ 20KHz with fs = 44.1KHz

-0.3 -0.2

dB

Dynamic Range

-60dB analog input

90

93

dB

SNR

1KHz -3dB analog output

90

93

dB

Digital Silence

0000hex digital input

93

dB

(THD + N)/S

@ digital full scale

-85

-83

dB

Output Impedance

25

50

Ω

Crosstalk

1Vrms output @ 1KHz

-90

-86

dB

Gain mismatch between six

outputs

@ 1KHz

-0.5

0.5

dB

18/40

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