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參數(shù)資料
型號(hào)： TPA6043A4RHB
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 音頻／視頻放大
英文描述： 2.3 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC32
封裝： PLASTIC, QFN-32
文件頁(yè)數(shù)： 26/30頁(yè)
文件大小： 1112K
代理商： TPA6043A4RHB
www.ti.com
GENERAL DC ELECTRICAL CHARACTERISTICS
SPEAKER AMPLIFIER DC CHARACTERISTICS
SPEAKER AMPLIFIER AC CHARACTERISTICS
SLOS543 – AUGUST 2007
RECOMMENDED OPERATING CONDITIONS (continued)
MIN
MAX
UNIT
TA
Operating free-air temperature
–40
85
°C
TA = 25°C, VDD = SPVDD = HPVDD = CPVDD = 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SPKR_EN, HP_EN, GAIN0, GAIN1,
IIH
High-level input current
0.02
1
μA
REG_EN = VDD
SPKR_EN, HP_EN, GAIN0, GAIN1,
IIL
Low-level input current
0.02
1
μA
REG_EN = 0 V
Supply current, speaker amplifier
IDD(Speaker)
SPKR_EN = 0 V, HP_EN = REG_EN = 0 V
5
12
mA
ONLY enabled
Supply current, headphone
IDD(HP)
SPKR_EN = HP_EN = 2 V, REG_EN = 0 V
7.5
14
mA
amplifier ONLY enabled
Supply current, regulator ONLY
IDD(REG)
SPKR_EN = REG_EN = 2 V, HP_EN = 0 V
0.65
1
mA
enabled
IDD(SD)
Supply current, shutdown mode
SPKR_EN = 2 V, HP_EN = REG_EN = 0 V
2.5
5
μA
TA = 25°C, VDD = SPVDD = 5 V, RL = 4 , Gain = 6 dB (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
| VOO |
Output offset voltage (measured differentially)
Inputs AC-coupled to GND, Gain = 6 dB
0.5
10
mV
PSRR
Power supply rejection ratio
VDD = SPVDD = 4.5 V to 5.5 V
–60
–74
dB
TA = 25°C, VDD = SPVDD = 5 V, RL = 4 , Gain = 6 dB (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD+N = 1%, f = 1 kHz, RL = 8
1.25
THD+N = 10%, f = 1 kHz, RL = 8
1.5
PO
Output power
THD+N = 1%, f = 1 kHz, RL = 4
2
W
THD+N = 10%, f = 1 kHz, RL = 4
2.3
PO = 1 W, RL = 8 , f = 20 Hz to 20 kHz
0.1%
THD+N
Total harmonic distortion plus noise
PO = 0.5 W, RL = 8 , f = 20 Hz to 20 kHz
0.08%
f = 1 kHz, CBYPASS = 0.47
μF,
kSVR
Supply ripple rejection ratio
-60
dB
VRIPPLE = 200 mVPP
Maximum output at THD+N <1%, f = 1 kHz,
SNR
Signal-to-noise rejection ratio
90
dB
Gain = 6 dB
f = 1 kHz, Po = 1 W, Gain = 6 dB
–80
dB
Crosstalk (Left-Right; Right-Left)
f = 10 kHz, Po = 1 W, Gain = 6 dB
–75
dB
CBYPASS = 0.47
μF, f = 20 Hz to 20 kHz,
Vn
Noise output voltage
30
μVrms
Gain = 6 dB, No weighting
ZI
Input Impedance
Gain = 21.6 dB
15
20
k
GAIN0, GAIN1 = 0.8 V
5.4
6
6.6
GAIN0 = 0.8 V; GAIN1 = 2 V
9.4
10
10.6
G
Gain
dB
GAIN0 = 2 V, GAIN1 = 0.8 V
15
15.6
16.2
GAIN0, GAIN1 = 2 V
21
21.6
22.2
Gain Matching
Channel-to Channel
0.01
dB
Start-up time from shutdown
CBYPASS = 0.47
μF
30
ms
Copyright 2007, Texas Instruments Incorporated
5
Product Folder Link(s): TPA6043A4
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TPA6043A4RHBRG4 功能描述:音頻放大器 2W St Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA6045A4C 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:2-W STEREO AUDIO POWER AMPLIFIER WITH DirectPath? STEREO HEADPHONE DRIVE AND REGULATOR
TPA6045A4CRHB 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:2-W STEREO AUDIO POWER AMPLIFIER WITH DirectPath? STEREO HEADPHONE DRIVE AND REGULATOR
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