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TPA112DGN データシート(PDF) 3 Page - Texas Instruments

部品番号 TPA112DGN
部品情報  150-mW STEREO AUDIO POWER AMPLIFIER
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI - Texas Instruments

TPA112DGN データシート(HTML) 3 Page - Texas Instruments

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TPA112
150-mW STEREO AUDIO POWER AMPLIFIER
SLOS212C – AUGUST 1998 – REVISED MARCH 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
dc electrical characteristics at TA = 25°C, VDD = 3.3 V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIO
Input offset voltage
5
mV
PSRR
Power supply rejection ratio
VDD = 3.2 V to 3.4 V
83
dB
IDD(q)
Supply current
1.5
3
mA
IDD(SD)
Supply current in SHUTDOWN mode
10
50
µA
ZI
Input impedance
>1
M
ac operating characteristics, VDD = 3.3 V, TA = 25°C, RL = 8 Ω
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power (each channel)
THD
≤ 0.1%
70†
mW
THD+N
Total harmonic distortion + noise
PO = 70 mW,
20–20 kHz
2%
BOM
Maximum output power BW
G = 10,
THD <5%
>20
kHz
Phase margin
Open loop
58
°
SVRR
Supply ripple rejection
f = 1 kHz
68
dB
Channel/channel output separation
f = 1 kHz
86
dB
SNR
Signal-to-noise ratio
PO = 100 mW
100
dB
Vn
Noise output voltage
9.5
µV(rms)
† Measured at 1 kHz
dc electrical characteristics at TA = 25°C, VDD = 5 V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIO
Input offset voltage
5
mV
PSRR
Power supply rejection ratio
VDD = 4.9 V to 5.1 V
76
dB
IDD(q)
Supply current
1.5
3
mA
IDD(SD)
Supply current in SHUTDOWN mode
60
100
µA
ZI
Input impedance
>1
M
ac operating characteristics, VDD =5 V, TA = 25°C, RL = 8 Ω
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power (each channel)
THD
≤ 0.1%
70†
mW
THD+N
Total harmonic distortion + noise
PO = 150 mW, 20–20 kHz
2%
BOM
Maximum output power BW
G = 10,
THD <5%
>20
kHz
Phase margin
Open loop
56
°
SVRR
Supply ripple rejection
f = 1 kHz
68
dB
Channel/channel output separation
f = 1 kHz
86
dB
SNR
Signal-to-noise ratio
PO = 150 mW
100
dB
Vn
Noise output voltage
9.5
µV(rms)
† Measured at 1 kHz


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