cs4412 Cirrus Logic, Inc., cs4412 Datasheet - Page 6

• Manufacturer Part Number: cs4412
• Description: 30 W Quad Half-bridge Digital Amplifier Power Stage Logic
• Manufacturer: Cirrus Logic, Inc.

6
PWM POWER OUTPUT CHARACTERISTICS
Test Conditions (unless otherwise specified): GND = PGND = 0 V; All voltages with respect to ground; T
VD = 3.3 V; VP = 18 V; R
= 384 kHz; 10 Hz to 20 kHz Measurement Bandwidth; Input source is CS4525 PWM_SIG outputs; Performance
measurements taken with a full scale 997 Hz sine wave and AES17 filter.
Power Output per Channel
Total Harmonic Distortion + Noise
Dynamic Range
MOSFET On Resistance
Efficiency
Minimum Output Pulse Width
Rise Time of OUTx
Fall Time of OUTx
PWM Output Over-Current Error Trip Point
Junction Thermal Warning Trip Point
Junction Thermal Error Trip Point
VP Under-Voltage Error Trip Point
Ramp-Up Time - Half-Bridge Configuration
Ramp-Down Time- Half-Bridge Configuration
Parameters
Parallel Full-Bridge
Parallel Full-Bridge
Parallel Full-Bridge
L
Stereo Full-Bridge
Stereo Full-Bridge
Stereo Full-Bridge
= 8 Ω for full-bridge, R
Half-Bridge
Half-Bridge
Half-Bridge
Symbol
R
THD+N
PW
DYR
DS(ON)
T
V
T
T
T
I
P
CE
h
t
TW
RU
RD
t
TE
UV
r
O
f
min
L
= 4 Ω for half-bridge and parallel full-bridge; PWM Switch Rate
P
P
P
P
P
P
P
O
O
O
O
O
O
O
P
P
P
= -60 dBFS, A-Weighted
= -60 dBFS, Unweighted
= -60 dBFS, A-Weighted
= -60 dBFS, Unweighted
= -60 dBFS, A-Weighted
= -60 dBFS, Unweighted
I
Capacitor = 1000 µF
Capacitor = 1000 µF
O
O
d
= 2 x 11.3 W, R
O
OCREF = 16.2 kΩ
= 0.5 A, T
= 0 dBFS = 22.6 W
= 0 dBFS = 11.3 W
Resistive Load
Resistive Load
THD+N < 10%
THD+N < 10%
THD+N < 10%
= 0 dBFS = 5.0 W
THD+N < 1%
THD+N < 1%
THD+N < 1%
Conditions
P
P
P
No Load
O
O
O
= 1 W
= 1 W
= 1 W
J
= 50°C
L
= 8 Ω
Min
2.4
4.5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ
23.5
102
102
102
518
120
140
5.5
0.1
0.3
0.1
0.3
0.1
0.3
0.8
15
12
30
99
99
99
85
50
20
20
50
7
-
-
Max Units
615
CS4412
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
A
DS749A1
= 25° C;
mΩ
dB
dB
dB
dB
dB
dB
ns
ns
ns
°C
°C
W
W
W
W
W
W
%
%
%
%
%
%
%
A
V
s
s