CS44600-CQZR Просмотр технического описания (PDF) - Cirrus Logic

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CS44600-CQZR

6-Channel Digital Amplifier Controller

Cirrus Logic 

CS44600

PWM OUTPUT PERFORMANCE CHARACTERISTICS

(Logic “0” = GND = 0 V; Logic “1” = VLS = VLC; VD = 2.5 V; DAI_MCLK = 12.288 MHz; XTAL= 24.576 MHz; PWM

Switch Rate = 384 kHz; Fs = 32 kHz to 192 kHz; Measurement bandwidth is 10 Hz to 20 kHz unless otherwise

specified; Performance measurements taken with a full-scale 997 Hz.)

Parameter

Symbol Min

Typ

Max

Unit

Dynamic Performance (Note 11)

24-Bits

16-Bits

A-Weighted

unweighted

unweighted

102

108

-

dB

99

105

-

dB

-

96

-

dB

Total Harmonic Distortion + Noise (Note 11)

24-Bits

0 dB THD+N

-

-20 dB

-

-60 dB

-

-90

-85

dB

-77

-

dB

-45

-

dB

Idle Channel Noise / Signal-to-Noise Ratio

-

110

-

dB

Interchannel Isolation

(1 kHz)

-

100

-

dB

11. Performance characteristics measured using filter shown in Figure 1.

PWMOUTxx+

-

+

-

-

Analog

+

+

Output

PWMOUTxx-

-

+

Figure 1. Performance Characteristics Evaluation Active Filter Circuit

10

DS633F1

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