CS44L11 Ver la hoja de datos (PDF) - Cirrus Logic

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CS44L11

Low Voltage Class-D PWM Headphone Amplifier

Cirrus Logic 

CS44L11

Parameter

Symbol

Passband Group Delay Deviation

0 - 40 kHz

0 - 20 kHz

De-emphasis Error

(Relative to 1 kHz)

Fs = 32 kHz

Fs = 44.1 kHz

Fs = 48 kHz

Single-Speed Mode Double-Speed Mode

Min Typ

Max Min Typ Max

-

-

-

- ±0.36/Fs -

- ±1.39/Fs -

- ±0.23/Fs -

-

-

+.2/-.1

-

- +.05/-.14

-

-

+0/-.22

(Note 5)

Unit

s

s

dB

dB

dB

Notes:

1. Filter response is not tested but is guaranteed by design.

2. Response is clock-dependent and will scale with Fs. Note that the response plots (Figures 8-15) have been

normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.

3. Referenced to a 1 kHz, full-scale sine wave.

4. For Single-Speed Mode, the measurement bandwidth is 0.5465 Fs to 3 Fs.

For Double-Speed Mode, the measurement bandwidth is 0.577 Fs to 1.4 Fs.

5. De-emphasis is not available in Double-Speed Mode.

6

DS640PP4

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