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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)： | 33/34頁 |
| 文件大小： | 1594K |
| 代理商： | TPA2051D3YFFR |
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OPERATING CHARACTERISTICS
SLOS641A – JUNE 2009 – REVISED OCTOBER 2009 ..................................................................................................................................................... www.ti.com
VDD = 3.6 V, TA = 25°C, Input gain = 0 dB, Class-D gain = +6 dB, Headphone gain = 0 dB, RSPEAKER = 8 , RHEADPHONES =
16
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CLASS-D POWER AMPLIFIER
THD = 1%, AVDD = PVDD = 4.2 V,
1000
f = 1 kHz
THD = 1%, AVDD = PVDD = 3.6 V,
730
f = 1 kHz
PO
Speaker output power
mW
THD = 10%, AVDD = PVDD = 3.6 V,
900
f = 1 kHz
THD = 10%, AVDD = PVDD = 5.0 V,
2900
f = 1 kHz, RSPEAKER = 4
SNR
Signal-to-noise ratio
PO = 600 mW
97
dB
En
Noise output voltage
A-weighted
21
V
RMS
PO = 400 mW, f = 1 kHz
0.06%
Total harmonic distortion plus
THD+N
noise(1)
PO = 1 W , AVDD = PVDD = 5.0 V, f = 1 kHz
0.04%
200 mVpp ripple, f = 217 Hz
77
dB
AC PSRR
AC-Power supply rejection ratio
200 mVpp ripple, f = 10 kHz
68
dB
Threshold
150
°C
Thermal shutdown
Hysteresis
15
°C
Output impedance in shutdown
2
k
HEADPHONE AMPLIFIER
PO
Headphone output power(2)
THD = 1%, AVDD = PVDD = 3.0 V,
25
mW
f = 1 kHz, in-phase
VOS
Output Offset Voltage
Volume at 0 dB
±0.6
mV
Output impedance in shutdown
25
SNR
Signal-to-noise ratio
PO = 20 mW
97
dB
En
Noise output voltage
A-weighted
7.5
V
RMS
PO = 20 mW, f = 1 kHz
0.02%
Total harmonic distortion plus
THD+N
noise(1)
PO = 20 mW into 32 , f = 1 kHz
0.01%
200 mVpp ripple, f = 217 Hz
95
dB
AC PSRR
AC-Power supply rejection ratio
200 mVpp ripple, f = 10 kHz
84
dB
fOSC
Charge pump switching frequency
1200
kHz
ΔAV
Gain matching
Between Left and Right channels
0.1
dB
HBM Electrostatic discharge
HPLEFT and HPRIGHT
±8
kV
BYPASS MODE
RON
Bypass switch on impedance
AVDD = PVDD = 3 V, VDIFF = 2 VP-P,
1.1
4.5
VCM = AVDD/2, Temp = 25°C
THD
Total harmonic distortion
VDIFF = 2 VP-P, f = 1 kHz, RSERIES = 10
0.02%
Off attenuation
80
dB
INPUT SECTION
RIN
Input impedance (per input pin)
Volume Control gain = 18 dB
4.0
5.0
k
VIN_MAX
Maximum differential input signal
Volume Control gain = –66 dB
5.2
VP–P
swing
Volume Control gain = 0 dB
2.6
Volume Control gain = 18 dB
0.22
Gain matching
0.1
dB
Crosstalk
GAIN = 0 dB, f = 1 kHz
60
dB
Start-up time from shutdown
8
ms
(1)
A-weighted
(2)
Per output channel
8
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPA2051D3
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