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TPA4861DRG4 データシート(PDF) 3 Page - Texas Instruments

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部品番号 TPA4861DRG4
部品情報  1-W MONO AUDIO POWER AMPLIFIER
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
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TPA4861DRG4 データシート(HTML) 3 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA4861
SLOS163C – SEPTEMBER 1996 – REVISED JUNE 2004
at specified free-air temperature, V
DD = 3.3 V (unless otherwise noted)
TPA4861
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
VOO
Output offset voltage
See(1)
20
mV
PSRR
Power supply rejection ratio (
∆V
DD/∆VOO)
VDD = 3.2 V to 3.4 V
75
dB
IDD
Supply current
2.5
mA
IDD(SD)
Supply current, shutdown
0.6
µA
(1)
At 3 V < VDD < 5 V the dc output voltage is approximately VDD/2.
V
DD = 3.3 V, TA = 25°C, RL = 8 Ω
TPA4861
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
THD = 0.2%, f = 1 kHz,
AV = –2 V/V
400
mW
PO
Output power(1)
THD = 2%, f = 1 kHz,
AV = –2 V/V
500
mW
BOM
Maximum output power bandwidth
Gain = –10 V/V,
THD = 2%
20
kHz
B1
Unity-gain bandwidth
Open Loop
1.5
MHz
BTL
f = 1 kHz,
CB = 0.1 µF
56
dB
Supply ripple rejection ratio
SE
f = 1 kHz,
CB = 0.1 µF
30
dB
Vn
Noise output voltage(2)
Gain = –2 V/V
20
µV
(1)
Output power is measured at the output terminals of the device.
(2)
Noise voltage is measured in a bandwidth of 20 Hz to 20 kHz.
at specified free-air temperature range, V
DD = 5 V (unless otherwise noted)
TPA4861
PARAMETER
TEST CONDITION
UNIT
MIN
TYP
MAX
VOO
Output offset voltage
See (1)
20
mV
PSRR
Power supply rejection ratio (
∆V
DD/∆VOO)
VDD = 4.9 V to 5.1 V
70
dB
IDD
Supply current
3.5
mA
IDD(SD)
Supply current, shutdown
0.6
µA
(1)
At 3 V < VDD < 5 V the dc output voltage is approximately VDD/2.
V
DD = 5 V, TA = 25°C, RL = 8 Ω
TPA4861
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
THD = 0.2%, f = 1 kHz,
AV = -2 V/V
1000
mW
PO
Output power(1)
THD = 2%, f = 1 kHz,
AV = -2 V/V
1100
mW
BOM
Maximum output power bandwidth
Gain = -10 V/V,
THD = 2%
20
kHz
B1
Unity-gain bandwidth
Open Loop
1.5
MHz
BTL
f = 1 kHz,
CB = 0.1 µF
56
dB
Supply ripple rejection ratio
SE
f = 1 kHz,
CB = 0.1 µF
30
dB
Vn
Noise output voltage(2)
Gain = -2 V/V
20
µV
(1)
Output power is measured at the output terminals of the device.
(2)
Noise voltage is measured in a bandwidth of 20 Hz to 20 kHz.
3


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