6

DS786A1

CS4412A

PWM POWER OUTPUT CHARACTERISTICS

Rate = 384 kHz; 10 Hz to 20 kHz Measurement Bandwidth; Input source is CS4525 PWM_SIG outputs; Perfor-

mance measurements taken with a full-scale 997 Hz sine wave, an AES17 measurement filter; Half-Bridge mea-

surements taken through the Half-Bridge Output Filter shown in Figure 5; Stereo Full-Bridge and Parallel Full-

Bridge measurements taken through the Full-Bridge Output Filter shown in Figure 6;.

Parameters

Symbol

Conditions

Min

Typ

Max Units

Power Output per Channel

Stereo Full-Bridge

Half-Bridge

Parallel Full-Bridge

THD+N < 10%

THD+N < 1%

THD+N < 10%

THD+N < 1%

THD+N < 10%

THD+N < 1%

-

-

-

-

-

-

15

12

7

5.5

30

23.5

-

-

-

-

-

-

W

W

W

W

W

W

Total Harmonic Distortion + Noise

Stereo Full-Bridge

Half-Bridge

Parallel Full-Bridge

THD+N

-

-

-

-

-

-

0.05

0.10

0.12

0.28

0.1

0.3

-

-

-

-

-

-

%

%

%

%

%

%

Dynamic Range

Stereo Full-Bridge

Half-Bridge

Parallel Full-Bridge

DYR

-

-

-

-

-

-

102

99

102

99

102

99

-

-

-

-

-

-

dB

dB

dB

dB

dB

dB

MOSFET On Resistance

-

280

-

m

Ω

Efficiency

h

-85

-

%

Minimum Output Pulse Width

No Load

-

50

-

ns

Rise Time of OUTx

Resistive Load

-

20

-

ns

Fall Time of OUTx

Resistive Load

-

20

-

ns

PWM Output Over-Current Error Trigger Point

-

-

-

2.5

2.1

1.7

-

-

-

A

A

A

Junction Thermal Warning Trigger Point

-

105

-

°C

Junction Thermal Error Trigger Point

-

125

-

°C

VP Under-Voltage Error Falling Trigger Point

4.7

4.9

V

VP Under-Voltage Error Rising Trigger Point

-

4.95

5.4

V