參數(shù)資料
型號(hào): TPA2051D3YFFR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 2.9 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25
封裝: 2.16 X 2.11 MM, 0.40 MM PITCH, GREEN, WCSP-25
文件頁數(shù): 4/34頁
文件大小: 1594K
代理商: TPA2051D3YFFR
f Frequency Hz
Crosstalk
dB
20
100
1k
10k
20k
160
140
120
100
80
60
40
20
0
Mono Input Mode
Speaker RL = 8 + 33 H
Headphone RL = 32
PO = 250 mW
f Frequency Hz
CMRR
CommonMode
Rejection
Ratio
dB
20
100
1k
10k
20k
100
80
60
40
20
0
RL = 8 + 33 H
VDD = 3.6 V
Input Level = 0.2 Vpp
Total Gain = 6 dB
Volume Control Gain dB
Differential
Input
Impedance
66 60 54 48 42 36 30 24 18 12 6
0
6
12
18
10k
20k
30k
40k
50k
60k
70k
80k
90k
100k
VDD = 3.6 V
Volume Control Gain dB
SingleEnded
Input
Impedance
66 60 54 48 42 36 30 24 18 12 6
0
6
12
18
5k
10k
15k
20k
25k
30k
35k
40k
45k
50k
VDD = 3.6 V
VDD Supply Voltage V
I D
D
Supply
Current
mA
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
5
10
15
20
25
SPKR Enabled Only
HP Enabled Only
SPKR and HP Enabled
SPKR RL = 8 + 33 H
HP RL = 32
SPKR Total Gain = 6 dB
HP Total Gain = 0 dB
Input Level dBV
Output
Level
dBV
20
15
10
5
0
5
6
4
2
0
2
4
6
8
10
12
Limiter = 1.3 V
Limiter = 1.65 V
Limiter = 2.1 V
Limiter = 2.6 V
Mono Input Mode
RL = 8 + 33 H
VDD = 5 V
Total Gain = 16 dB
SLOS641A – JUNE 2009 – REVISED OCTOBER 2009 ..................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
AVDD = PVDD = 3.6 V, CI = CVREF = CF = 1 F, CHPVDD = CHPVSS = 2.2 F, TA = 25°C, unless otherwise specified
SPEAKER TO HEADPHONE CROSSTALK
COMMON-MODE REJECTION RATIO (SP)
vs
FREQUENCY
Figure 23.
Figure 24.
DIFFERENTIAL INPUT IMPEDANCE
SINGLE-ENDED INPUT IMPEDANCE
vs
VOLUME CONTROL GAIN
Figure 25.
Figure 26.
SUPPLY CURRENT
SPEAKER LIMITER OUTPUT LEVEL
vs
SUPPLY VOLTAGE
INPUT LEVEL
Figure 27.
Figure 28.
12
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPA2051D3
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