CS43131 datasheet(20/156 Pages) CIRRUS

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DS1155F1

CS43131

3 Characteristics and Specifications

Fast Roll-Off

(FILTER_SLOW_FASTB =0)

Double-Speed Mode 1

Passband 2

to –0.01-dB corner

to –3-dB corner

attenuation @ Fs/2

7.77

—

0.227

0.48

—

Passband ripple 10 Hz to –0.01-dB corner

–0.01

—

0.01

Stopband

0.583

—

Stopband attenuation 6

—

Group delay (linear phase)

PHCOMB_LOWLATB = 1

—

22.3/Fs

—

Group delay (minimum phase)

PHCOMB_LOWLATB = 0

—

7.5/Fs

—

Fast Roll-Off

(FILTER_SLOW_FASTB =0)

Quad-Speed Mode 1

Passband 2

to –0.01-dB corner

to –3-dB corner

attenuation @ Fs/2

9.44

—

0.114

0.46

—

Passband ripple 10 Hz to –0.01-dB corner

–0.01

—

0.01

Stopband

0.583

—

Stopband attenuation 6

—

Group delay (linear phase)

PHCOMB_LOWLATB = 1

—

20.7/Fs

—

Group delay (minimum phase)

PHCOMB_LOWLATB = 0

—

11.3/Fs

—

Slow Roll-Off

(FILTER_SLOW_FASTB =1)

Single-Speed Mode 1

Passband 2

to –0.01-dB corner

to –3-dB corner

attenuation @ Fs/2

6.45 10

—

0.417

0.482

—

Passband ripple 10 Hz to –0.01-dB corner 5

–0.01

—

+0.01

Stopband

0.583

—

Stopband attenuation 6

—

Group delay (linear phase)

PHCOMB_LOWLATB = 1

—

34.5/Fs 11

—s

Group delay (minimum phase)

PHCOMB_LOWLATB = 0

—

5.6/Fs 12

—s

Deemphasis error 9

(Relative to 1 kHz)

Fs = 44.1 kHz

—

±0.3

Slow Roll-Off

(FILTER_SLOW_FASTB =1)

Double-Speed Mode 1

Passband 2

to –0.01-dB corner

to –3-dB corner

attenuation @ Fs/2

—

0.208

0.458

—

Passband ripple 10 Hz to –0.01-dB corner

–0.01

—

0.01

Stopband

0.792

—

Stopband attenuation 6

—

Group delay (linear phase)

PHCOMB_LOWLATB = 1

—

22.3/Fs

—

Group delay (minimum phase)

PHCOMB_LOWLATB = 0

—

6.7/Fs

—

Slow Roll-Off

(FILTER_SLOW_FASTB =1)

Quad-Speed Mode 1

Passband 2

to –0.01-dB corner

to –3-dB corner

attenuation @ Fs/2

7.00

—

0.104

0.43

—

Passband ripple 10 Hz to –0.01-dB corner

–0.01

—

0.01

Stopband

0.792

—

Stopband attenuation 6

—

Group delay (linear phase)

PHCOMB_LOWLATB = 1

—

20.7/Fs

—

Group delay (minimum phase)

PHCOMB_LOWLATB = 0

—

10.6/Fs

—

Nonoversampling (NOS)

(NOS =1)

Single-Speed Mode 1

Passband 2

to –0.01-dB corner

to –3-dB corner

—

0.026

0.443

Passband droop 10 Hz to 20 kHz

—

3.2 13

Group delay

—

2.7/Fs

—

Nonoversampling (NOS)

(NOS =1)

Double-Speed Mode 1

Passband 2

to –0.01-dB corner

to –3-dB corner

—

0.0246

0.446

Passband droop 10 Hz to 20 kHz

—

0.73

Group delay

—

4.5/Fs

—

Nonoversampling (NOS)

(NOS =1)

Quad-Speed Mode 1

Passband 2

to –0.01-dB corner

to –3-dB corner

—

0.026

0.405

Passband droop 10 Hz to 20 kHz

—

0.17

Group delay

—

8.4/Fs

—

Table 3-9. Combined DAC Digital, On-Chip Analog and HPOUTx Filter Characteristics (Cont.)

Test conditions (unless specified otherwise): The filter characteristics have been normalized to the sample rate (Fs) and can be referenced to the desired

sample rate by multiplying the given characteristic by Fs. Single-Speed Mode refers to 32-, 44.1-, and 48-kHz sample rates. Double-Speed Mode refers

to 88.2- and 96-kHz sample rates. Quad-Speed Mode refers to 176.4- and 192-kHz sample rates. Octuple-Speed Mode refers to 352.8- and 384-kHz

sample rates. MCLK_INT is an integer multiple of Fs; HPF disabled; no DC offset applied; group delay does not include serial port delay.

Parameter

Minimum Typical Maximum Units

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