CS43L36 datasheet(13/89 Pages) CIRRUS

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DS1081F3

CS43L36

3 Characteristics and Specifications

Table 3-4. Combined DAC Digital, On-Chip Analog, and HPOUTx Filter Characteristics

Test conditions (unless specified otherwise): TA = +25°C; MCLK = 12 MHz, MCLK_SRC_SEL = 0, FsINT = 48 kHz; path is internal routing engine to

HPOUTx, analog and digital gains are all set to 0 dB; HPF disabled.

Parameter 1

1.Response scales with FsINT (based on internal MCLK). Specifications are normalized to FsINT and denormalized by multiplying by FsINT.

Minimum

Typical

Maximum

Unit

Passband

–0.05-dB corner

–3.0-dB corner

—

0.48

0.50

—

FsINT

Passband ripple (0.417x10–3 FsINT to 0.417 FsINT; normalized to 0.417x10–3 FsINT)

–0.04

—

0.063

Stopband attenuation (0.545 FsINT to FsINT)

—

Total group delay 2

2.Informational only; group delay cannot be measured for this block by itself. An additional

5.5/Fsint group delay may be present through the serial ports

and internal audio bus.

—

5.35/FsINT

—s

Table 3-5. DAC High-Pass Filter (HPF) Characteristics

Test conditions (unless specified otherwise) Analog and digital gains are all set to 0 dB; TA = +25°C.

Parameter 1

1.Response scales with FsINT (internal sample rate, based on MCLK). Specifications are normalized to FsINT and are denormalized by multiplying by FsINT.

Minimum

Typical

Maximum

Unit

Passband

–0.05-dB corner

–3.0-dB corner

—

0.180x10–3

19.5x10–6

—

FsINT

Passband ripple (0.417x10–3 FsINT to 0.417 FsINT; normalized to 0.417 FsINT)—

—

0.01

Phase deviation @ 0.453x10–3 FsINT

—2.45—

Filter settling time 2

2.Required time for the magnitude of the DC component present at the output of the HPF to reach 5% of the applied DC signal.

—

24.5x103/FsINT

—s

Table 3-6. SDIN to HPOUTx with SRC-Enabled Datapath Characteristics

Test conditions (unless specified otherwise): LRCK = FsINT = FsEXT = 48 kHz; MCLK = 12 MHz; HPF disabled; passband/stopband levels normalized to

0.417x10–3 FsEXT; entire path characteristics including serial port + SRC + DAC + HPOUT.

Parameters 1

FsEXT is the external sample rate (LRCK/FSYNC frequency). Response scales with FsEXT.

Minimum

Typical

Maximum

Unit

Passband

–0.2-dB corner

–3.0-dB corner

—

0.463

0.466

—

FsEXT

Passband ripple (0.417x10–3 FsEXT to 0.417 FsEXT; normalized to 0.417x10–3 FsEXT)

–0.16

—

0.02

Response at 0.5 FsEXT

—

–54.9

Stopband rejection from 0.480 FsEXT to 0.524 FsEXT

—

Stopband rejection from 0.524 FsEXT to 0.545 FsEXT

—

Stopband rejection from 0.545 FsEXT to 3 FsEXT

—

Square wave overshoot

—

3.1

Group delay, bark-weighted average

—

34/FsEXT

Group delay

FsEXT  48 kHz

FsEXT  88.2 kHz)

—

(15.8 ± 1.5)/FsEXT + 10.3/FsINT

(20.1 ± 1)/FsEXT + (11.6 ± 0.5)/FsINT

—

SRC disabled group delay 2

2.This value varies by up to 1 Fs. If SRC is disabled, Fs =

FsOUT = FsIN.

—

(15±1)/Fs

—

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