參數(shù)資料
型號(hào): TPA3004D2PHPRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQFP48
封裝: GREEN, PLASTIC, HTQFP-48
文件頁(yè)數(shù): 7/46頁(yè)
文件大小: 838K
代理商: TPA3004D2PHPRG4
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
PO – Output Power – W
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
20 m
100 m
1
10
0.01
0.1
10
VCC = 12 V
RL = 4
Gain = 13.2 dB
1
f = 1 kHz
f = 20 Hz
100
1 k
10 k
–80
–75
–70
–65
–60
–55
–50
–45
–40
RL = 8 ,
C2p5 = 1 F,
Class-D
f – Frequency – Hz
SUPPLY RIPPLE REJECTION RATIO
vs
FREQUENCY
k
SVR
Supply
Ripple
Rejection
Ratio
dB
VCC = 12 V
VCC = 8 V
20
20 k
–250
–200
–150
–100
–50
0
50
100
10
100
1 k
10 k
100 k
1 M
Gain
Phase
–250
–200
–150
–100
–50
0
50
100
Gain
dB
f – Frequency – Hz
CLOSED LOOP RESPONSE
Phase
Deg
VCC = 12 V,
Gain= +36 dB,
RL = 8
Class-D
–140
0
–120
–100
–80
–60
–40
–20
50
100
1 k
10 k
FFT
dBr
INTERMODULATION PERFORMANCE
f – Frequency – Hz
VCC = 12 V, 19 kHz, 20 kHz,
1:1, PO = 1 W, RL = 8
Gain= +13.2 dB,
BW =20 Hz to 22 kHz,
Class-D
No Filter
www.ti.com
SLOS407E – FEBRUARY 2003 – REVISED JANUARY 2011
Figure 17.
Figure 18.
Figure 19.
Figure 20.
Copyright 2003–2011, Texas Instruments Incorporated
15
Product Folder Link(s): TPA3004D2
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