CS42L52 datasheet(18/82 Pages) CIRRUS

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DS680A1

CS42L52

9. The PWM driver should be used in captive speaker systems only.

10. Optimal PWM performance is achieved when MCLK > 12 MHz.

LINE OUTPUT VOLTAGE LEVEL CHARACTERISTICS

Test conditions (unless otherwise specified): Input test signal is a full-scale 997 Hz sine wave; measurement bandwidth is 10 Hz

to 20 kHz; Sample Frequency = 48 kHz; test load RL = 10 kΩ, CL = 10 pF (see Figure 2).

VP =2.5 V

Power Output per Channel

Stereo Full-Bridge

THD+N < 10%

THD+N < 1%

0.23

0.19

Wrms

Mono Parallel Full-Bridge

THD+N < 10%

THD+N < 1%

0.44

0.35

Wrms

Total Harmonic Distortion + Noise

THD+N

Stereo Full-Bridge

PO = 0 dBFS = 0.18 W

0.50

Mono Parallel Full-Bridge

PO = -3 dBFS = 0.17 W

PO = 0 dBFS = 0.35 W

0.08

0.43

Dynamic Range

Stereo Full-Bridge

PO = -60 dBFS, A-Weighted

PO = -60 dBFS, Unweighted

Mono Parallel Full-Bridge

PO = -60 dBFS, A-Weighted

PO = -60 dBFS, Unweighted

MOSFET On Resistance

RDS(ON)

VP = 5.0V, Id = 0.5 A

600

MOSFET On Resistance

RDS(ON)

VP = 3.7V, Id = 0.5 A

640

MOSFET On Resistance

RDS(ON)

VP = 2.5V, Id = 0.5 A

760

Efficiency

VP = 5.0 V, PO = 2 x 0.8 W, RL =

-82

Output Operating Peak Current

IPC

1.5

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 11)

2.79

Vpp

2.5 V

3.88

2.79

Vpp

Parameters (Note 10)

Symbol

Conditions

Min

Typ

Max Units

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