Philips Semiconductors
Controller class-D audio amplifier
Preliminary specification
TDA8929T
SYMBOL
PARAMETER
CONDITIONS
Rpu(int)
internal pull-up resistance to
internal digital supply
Switch outputs (pins SW1 and SW2)
VOH
HIGH-level output voltage
VOL
LOW-level output voltage
Control inputs (pins REL1 and REL2)
note 3
note 3
VIH
HIGH-level input voltage
note 3
VIL
LOW-level input voltage
note 3
Notes
1. The circuit is DC adjusted at VP = ±15 to ±30 V.
2. Referenced to SGND (0 V).
3. Referenced to VSS.
MIN.
−
VSTAB − 1.6
0
10
0
TYP.
12
VSTAB − 0.7
−
−
−
MAX. UNIT
−
kΩ
−
V
0.8
V
VSTAB V
2
V
13 AC CHARACTERISTICS
SYMBOL
PARAMETER
Stereo single-ended application; note 1
THD
total harmonic distortion
Gv(cl)
SVRR
closed-loop voltage gain
supply voltage ripple rejection
Zi
Vn(o)
input impedance
noise output voltage
αcs
∆Gv
Vo
CMRR
channel separation
channel unbalance
output signal
common mode rejection ratio
Mono BTL application; note 5
THD
total harmonic distortion
Gv(cl)
closed-loop voltage gain
CONDITIONS
MIN. TYP. MAX. UNIT
Po = 1 W; note 2
fi = 1 kHz
−
fi = 10 kHz
−
29
on; fi = 100 Hz; note 3
−
on; fi = 1 kHz; note 3
40
mute; fi = 100 Hz; note 3
−
standby; fi = 100 Hz; note 3
−
45
on; Rs = 0 Ω; B = 22 Hz to 22 kHz −
on; Rs = 10 kΩ; B = 22 Hz to 22 kHz −
mute; note 4
−
Po = 10 W; Rs = 0 Ω
−
−
mute; Vi = Vi(max) = 1 V (RMS)
−
Vi = 1 V (RMS)
−
0.01 0.05 %
0.1 −
%
30
31
dB
55
−
dB
50
−
dB
55
−
dB
80
−
dB
68
−
kΩ
220 400 µV
230 −
µV
220 −
µV
70
−
dB
−
1
dB
−
400 µV
75
−
dB
Po = 1 W; note 2
fi = 1 kHz
fi = 10 kHz
−
0.01 0.05 %
−
0.1 −
%
35
36
37
dB
2001 Dec 11
13