tk2070 Tripath Technology Inc., tk2070 Datasheet - Page 4

• Manufacturer Part Number: tk2070
• Description: Stereo 70w 4ohm Class-t Digital Audio Amplifier Driver Using Digital Power Processing Dpp Technology
• Manufacturer: Tripath Technology Inc.

P E R F O R M A N C E C H A R A C T E R I S T I C S – T K 2 0 7 0
T
P
THD + N
IHF-IM
SNR
CS
A
A
K
e
SYMBOL
A
N
OUT
V
VERROR
= 25 qC. Unless otherwise noted, V
4
Output Power
(Continuous Average/Channel)
(Note 13)
Total Harmonic Distortion Plus
Noise
IHF Intermodulation Distortion
Signal-to-Noise Ratio
Channel Separation
Amplifier Gain
Channel to Channel Gain Error
Power Efficiency
Output Noise Voltage
PARAMETER
CC
V
V
P
V
P
V
19kHz, 20kHz, 1:1 (IHF), R
P
A-Weighted
0dB = 70W/Channel, R
0dB = 9W, R
P
See Application / Test Circuit
P
See Application / Test Circuit
P
P
A-Weighted, input AC grounded,
R
CC
CC
OUT
CC
OUT
CC
OUT
OUT
OUT
OUT
OUT
FBC
THD+N = 0.02%
THD+N = 1.0%
THD+N = 10.0%
THD+N = 0.05%
THD+N = 5.0%
THD+N = 10.0%
= 24V, f=1kHz, and the measurement bandwidth is 20kHz.
= 24V, R
= 24V, R
= 24V
= 24V
= 24W/Channel, R
= 40W/Channel, R
= 10W/Channel
= 10W/Channel, R
= 10W/Channel, R
= 35W/Channel, R
= 70W/Channel, R
= 11k: , R
CONDITIONS
L
L
L
= 8:
= 4:
= 4:, f=1kHz
FBB
= 1k:
L
L
L
L
L
L
L
= 4:
= 8:
= 4:
= 8:,
= 8:
= 8:
= 4:
L
= 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.
TYP.
0.03
0.04
105
100
22
33
40
45
55
70
95
12
92
86
85
TK2070 – MC/2.1/10-03
MAX.
0.5
UNITS
V/V
dB
dB
dB
dB
PV
W
W
W
W
W
W
%
%
%
%