tda2500 Tripath Technology Inc., tda2500 Datasheet - Page 4

• Manufacturer Part Number: tda2500
• Description: Stereo Class-t Digital Audio Amplifier Driver Using Digital Power Processing Dpp
• Manufacturer: Tripath Technology Inc.

Electrical Characteristics
T
1kHz and the measurement bandwidth is 20kHz. See Application/Test Circuit.
Note 8: Minimum and maximum limits are guaranteed but may not be 100% tested.
Note 9: Specific Components used:
P
THD + N
THD + N
IMD
SNR
CS
K
K
A
A
e
SYMBOL
A
NOUT
OUT
V
VERROR
= 25 qC. Unless otherwise noted, the supply voltage is VPP=|VNN|=90V, the input frequency is
4
Output MOSFETs (Q
Feedback Resistors (R
Output Diodes (D
Output Power
(Continuous Output/Channel)
Total Harmonic Distortion Plus
Noise
Total Harmonic Distortion Plus
Noise
Intermodulation Distortion
Signal-to-Noise Ratio
Channel Separation
Power Efficiency
Power Efficiency
Amplifier Gain
Channel to Channel Gain Error
Output Noise Voltage
PARAMETER
O
): International Rectifier MUR420
O
): ST Microelectronics STW34NB20
FB
): 18.7K
(Notes 8 and 9)
:
, 1%, 1W
VPP=|VNN|=90V, R
VPP=|VNN|=90V, R
VPP=|VNN|=75V, R
VPP=|VNN|=75V, R
f = 1kHz, R
P
f = 1kHz, R
P
19kHz, 20kHz, 1:1, R
P
A-Weighted, R
P
0dBr = 10W, R
P
P
P
= 49.9k:, See Application / Test
Circuit
P
A-Weighted, input shorted, DC
offset nulled to zero
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
THD+N=10%
THD+N=1%
THD+N=0.1%
THD+N=10%
THD+N=1%
THD+N=0.1%
THD+N=10%
THD+N=1%
THD+N=0.1%
THD+N=10%
THD+N=1%
THD+N=0.1%
= 50W/Channel
= 50W/Channel
= TBDW/Channel
= 500W/Channel
= 300W/Channel, R
= 500W/Channel, R
= 10W/Channel, R
= 10W/Channel, R
CONDITIONS
L
L
= 8:,
= 4:,
L
L
= 4:,
= 4:, f = 1kHz
L
L
L
L
L
= 4:
= 8:
= 4:
= 8:
= 8:
L
L
L
L
= 8:, Rin
= 8:
= 8:
= 4:
T r i p a t h T e c h n o l o g y , I n c . - T e c h n i c a l I n f o r m a t i o n
MIN.
-1
0.015
TYP.
1100
0.02
0.02
14.6
800
650
550
425
350
800
600
500
425
325
275
103
325
87
88
79
TDA2500 – KL/ Rev. 0.9/05.05
MAX.
1
UNITS
V/V
dB
dB
dB
PV
W
W
W
W
W
W
W
W
W
W
W
W
%
%
%
%
%