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TPA122DGNR Datasheet(PDF) 3 Page - Texas Instruments

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Part # TPA122DGNR
Description  150-mW STEREO AUDIO POWER AMPLIFIER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPA122DGNR Datasheet(HTML) 3 Page - Texas Instruments

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RECOMMENDED OPERATING CONDITIONS
DC ELECTRICAL CHARACTERISTICS
AC OPERATING CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS
TPA122
SLOS211E – AUGUST 1998 – REVISED JUNE 2004
MIN
MAX
UNIT
VDD
Supply voltage
2.5
5.5
V
TA
Operating free-air temperature
–40
85
°C
VIH
High-level input voltage, (SHUTDOWN)
0.80
× V
DD
V
VIL
Low-level input voltage, (SHUTDOWN)
0.40
× V
DD
V
at T
A = 25°C, VDD = 3.3 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOO
Output offset voltage
10
mV
PSRR
Power supply rejection ratio
VDD = 3.2 V to 3.4 V
83
dB
IDD
Supply current
VDD = 2.5, SHUTDOWN = 0 V
1.5
3
mA
IDD(SD)
Supply current in SHUTDOWN mode
VDD = 2.5, SHUTDOWN = VDD
10
50
µA
ZI
Input impedance
> 1
M
V
DD = 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(1)
mW
THD+N
Total harmonic distortion + noise
PO = 70 mW, 20 Hz–20 kHz
2%
BOM
Maximum output power BW
G = 10, THD < 5%
> 20
kHz
Phase margin
Open loop
58
°
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)
(1)
Measured at 1 kHz
at T
A = 25°C, VDD = 5.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOO
Output offset voltage
10
mV
PSRR
Power supply rejection ratio
VDD = 4.9 V to 5.1 V
76
dB
IDD
Supply current
SHUTDOWN = 0 V
1.5
3
mA
IDD(SD)
Supply current in SHUTDOWN mode
SHUTDOWN = VDD
60
100
µA
|IIH|
High-level input current (SHUTDOWN)
VDD = 5.5 V, VI = VDD
1
µA
|IIL|
Low-level input current (SHUTDOWN)
VDD = 5.5 V, VI = 0 V
1
µA
ZI
Input impedance
> 1
M
3


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