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參數資料
| 型號： | TPA6043A4RHBRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.3 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC32 |
| 封裝： | GREEN, PLASTIC, QFN-32 |
| 文件頁數： | 27/30頁 |
| 文件大小： | 986K |
| 代理商： | TPA6043A4RHBRG4 |
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HEADPHONE AMPLIFIER DC ELECTRICAL CHARACTERISTICS
HEADPHONE AMPLIFIER AC CHARACTERISTICS
LDO CHARACTERISTICS
SLOS543 – AUGUST 2007
TA = 25°C, HPVDD = CPVDD = VDD = 5 V, RL = 16 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
| VOS |
Output offset voltage
Inputs grounded
1
3
mV
PSRR
Power supply rejection ratio
HPVDD = 4.5 V to 5.5 V
–75
–100
dB
TA = 25°C, HPVDD = 5 V, RL = 16 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD+N = 10%, Rl = 16 , f = 1 kHz
200
PO
Output power (outputs in phase)
mW
THD+N = 10%, RI = 32 , f = 1 kHz
100
PO = 85 mW, f = 20 Hz to 20 kHz,
0.03%
RL = 16
THD+N
Total harmonic distortion plus noise
PO = 50 mW, f = 20 Hz to 20 kHz,
0.04%
RL = 32
Dynamic Range with Signal Present
A-Weighted, f = 20 Hz to 20 kHz
–100
dB FS
kSVR
Supply ripple rejection ratio
f = 1 kHz, 200-mVPP ripple
–60
dB
Crosstalk
Po = 35 mW, f = 20 Hz to 20 kHz
–80
dB
SNR
Signal-to-noise ratio
Maximum output at THD+N 1%, f = 1 kHz
95
dB
Vn
Noise output voltage
f = 20 Hz to 20 kHz, No weighting
20
μVrms
ZI
Input Impedance
15
20
k
Gain
Closed-loop voltage gain
RL = 16
–1.45
–1.5
–1.55
V/V
Start-up time from shutdown
5
ms
TA = 25°C, VDD = 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI
Input voltage
VDD
4.5
5.5
V
IO
Continuous output current
120
mA
VO
Output voltage
0 < IO < 120 mA; 4.9 V < VI < 5.5 V
3.2
3.3
3.4
V
Line regulation
IL = 5 mA; 4.9 V < VI < 5.5 V
1.8
10
mV
Load regulation
IL = 0 – 120 mA, VI = 5 V
0.13
0.23
mV/ mA
Power supply ripple rejection
VDD = 4.9 V, IL = 10 mA
f = 100 Hz
46
dB
6
Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s): TPA6043A4
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