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TPA6043A4RHBRG4 Datasheet(PDF) 5 Page - Texas Instruments

No. de Pieza. TPA6043A4RHBRG4
Descripción  2-W STEREO AUDIO POWER AMPLIFIER WITH DirectPath™ STEREO HEADPHONE DRIVE AND REGULATOR
Descarga  30 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPA6043A4RHBRG4 Datasheet(HTML) 5 Page - Texas Instruments

 
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GENERAL DC ELECTRICAL CHARACTERISTICS
SPEAKER AMPLIFIER DC CHARACTERISTICS
SPEAKER AMPLIFIER AC CHARACTERISTICS
TPA6043A4
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 Ω, 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 Ω, Gain = 6 dB (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD+N = 1%, f = 1 kHz, RL = 8 Ω
1.25
THD+N = 10%, f = 1 kHz, RL = 8 Ω
1.5
PO
Output power
THD+N = 1%, f = 1 kHz, RL = 4 Ω
2
W
THD+N = 10%, f = 1 kHz, RL = 4 Ω
2.3
PO = 1 W, RL = 8 Ω, f = 20 Hz to 20 kHz
0.1%
THD+N
Total harmonic distortion plus noise
PO = 0.5 W, RL = 8 Ω, 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
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