tk2070 Tripath Technology Inc., tk2070 Datasheet - Page 11

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

T Y P I C A L 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
11
-108
-120
-100
-110
-120
-96
100
-12
-72
-84
-24
-36
-48
-60
+0
90
80
70
60
50
40
30
20
10
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
+0
0
20
20
VCC = 24V
POUT = 0W/Channel
R
A
BW = 22Hz-22kHz
L
V
VCC = 24V
POUT = 9W/Channel
R
0dB = 8.8Vrms
BW = 22Hz-20kHz
= 4:
= 12V/V
L
10
= 4:
50
50
100
100
20
Channel Seperation vs Frequency
Efficiency vs Output Power
200
200
30
Output Power (W)
Noise Floor
Frequency (Hz)
Frequency (Hz)
500
40
500
1k
1k
50
2k
2k
VCC = 24V
RL = 4:
THD+N <10%
60
5k
5k
70
10k
10k
80
20k
20k
-100
-50
-20
-30
-40
-70
-80
-90
-10
-60
+0
-110
-120
-100
100
-10
-40
-60
-70
-80
-20
-30
-50
-90
20
90
80
70
60
50
40
30
20
10
+0
0
20
0
VCC = 24V
R
0dB = 200mVp-p
Vripple = 200mVp-p
BW = 22Hz-22kHz
L
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
= 4:
VCC = 24V
POUT = 4.5W/Channel
R
0dB = 6Vrms
BW = 22Hz-20kHz
L
50
= 8:
5
50
(cont’d)
100
100
10
Channel Seperation vs Frequency
Power Supply Rejection Ratio
Efficiency vs Output Power
200
200
15
Frequency (Hz)
TK2070 – MC/2.1/10-03
Output Power (W)
20
Frequency (Hz)
500
500
25
1k
1k
30
2k
2k
VCC = 24V
RL = 8:
THD+N <10%
35
5k
5k
40
10k
10k
20k
20k
45