CS43L22 datasheet(15/66 Pages) CIRRUS

15 / 66 page

DS792F2

CS43L22

Confidential Draft

3/4/10

LINE OUTPUT VOLTAGE LEVEL CHARACTERISTICS

Test conditions (unless otherwise specified): Input test signal is a full-scale 997 Hz sine wave; measurement bandwidth is 20 Hz

to 20 kHz; Sample Frequency = 48 kHz; Test load RL = 10 kΩ, CL = 10 pF (see Figure 2); “Required Initialization Settings” on

page 32 written on power up.

COMBINED DAC INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE

Response is clock dependent and will scale with Fs. Note that the response plots (Figures 22 and 25 on

page 63) have been normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.

10. Measurement Bandwidth is from Stopband to 3 Fs.

Parameters

VA = 2.5V

Min

Typ

Max

VA = 1.8V

Min

Typ

Max

Unit

AOUTx Voltage Into RL = 10 kΩ

HP_GAIN[2:0]

Analog

Gain (G)

VHP

000

0.3959

1.8 V

1.34

0.97

Vpp

2.5 V

1.34

0.97

Vpp

001

0.4571

1.8 V

1.55

1.12

Vpp

2.5 V

1.55

1.12

Vpp

010

0.5111

1.8 V

1.73

1.25

Vpp

2.5 V

1.73

1.25

Vpp

011 (default)

0.6047

1.8 V

2.05

1.41

1.48

1.55

Vpp

2.5 V

1.95

2.05

2.15

1.48

Vpp

100

0.7099

1.8 V

2.41

1.73

Vpp

2.5 V

2.41

1.73

Vpp

101

0.8399

1.8 V

2.85

2.05

Vpp

2.5 V

2.85

2.05

Vpp

110

1.0000

1.8 V

3.39

2.44

Vpp

2.5 V

3.39

2.44

Vpp

111

1.1430

1.8 V

(See (Note 8)

2.79

Vpp

2.5 V

3.88

2.79

Vpp

Parameters (Note 9)

Min

Typ

Max

Unit

Frequency Response 10 Hz to 20 kHz

-0.01

+0.08

Passband

to -0.05 dB corner

to -3 dB corner

0.4780

0.4996

StopBand

0.5465

StopBand Attenuation (Note 10)

Group Delay

9/Fs

De-emphasis Error

Fs = 32 kHz

Fs = 44.1 kHz

Fs = 48 kHz

+1.5/+0

+0.05/-0.25

-0.2/-0.4

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