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參數資料
| 型號： | TPA6203AIDRB |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.25 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, SON-8 |
| 文件頁數： | 16/22頁 |
| 文件大小： | 1054K |
| 代理商： | TPA6203AIDRB |
www.ti.com
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA6203A1
SLOS364D – MARCH 2002 – REVISED JULY 2005
T
A = 25°C, Gain = 1 V/V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output offset voltage (measured
|VOO|
VI = 0 V, VDD = 2.5 V to 5.5 V
9
mV
differentially)
PSRR
Power supply rejection ratio
VDD = 2.5 V to 5.5 V
-90
-70
dB
VDD = 3.6 V to 5.5 V, VIC = 0.5 V to VDD-0.8
-70
-65
CMRR
Common-mode rejection ratio
dB
VDD = 2.5 V, VIC = 0.5 V to 1.7 V
-62
-55
VDD = 5.5 V
0.30
0.46
RL = 8 , VIN+ = VDD,
VOL
Low-level output voltage
VDD = 3.6 V
0.22
V
VIN- = 0 V or VIN+ = 0 V, VIN- = VDD
VDD = 2.5 V
0.19
0.26
VDD = 5.5 V
4.8
5.12
RL = 8 , VIN+ = VDD,
VOH
High-level output voltage
VDD = 3.6 V
3.28
V
VIN- = 0 V or VIN+ = 0 V, VIN- = VDD
VDD = 2.5 V
2.1
2.24
|IIH|
High-level input current
VDD = 5.5 V, VI = 5.8 V
1.2
A
|IIL|
Low-level input current
VDD = 5.5 V, VI = -0.3 V
1.2
A
IDD
Supply current
VDD = 2.5 V to 5.5 V, No load, SHUTDOWN = 2 V
1.7
2
mA
IDD(SD)
Supply current in shutdown mode SHUTDOWN = 0.8 V, VDD = 2.5 V to 5.5 V, No load
0.01
0.9
A
T
A = 25°C, Gain = 1 V/V, RL = 8
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD = 5 V
1.25
PO
Output power
THD + N = 1%, f = 1 kHz
VDD = 3.6 V
0.63
W
VDD = 2.5 V
0.3
VDD = 5 V, PO = 1 W, f = 1 kHz
0.06%
Total harmonic distortion
THD+N
VDD = 3.6 V, PO = 0.5 W, f = 1 kHz
0.07%
plus noise
VDD = 2.5 V, PO = 200 mW, f = 1 kHz
0.08%
C(BYPASS) = 0.47 °F,
f = 217 Hz to 2 kHz,
VDD = 3.6 V to 5.5 V,
-87
VRIPPLE = 200 mVPP
Inputs ac-grounded with CI = 2 F
C(BYPASS) = 0.47 F,
f = 217 Hz to 2 kHz,
kSVR
Supply ripple rejection ratio
VDD = 2.5 V to 3.6 V,
-82
dB
VRIPPLE = 200 mVPP
Inputs ac-grounded with CI = 2 F
C(BYPASS) = 0.47 F,
f = 40 Hz to 20 kHz,
VDD = 2.5 V to 5.5 V,
≤-74
VRIPPLE = 200 mVPP
Inputs ac-grounded with CI = 2 F
SNR
Signal-to-noise ratio
VDD = 5 V, PO= 1 W
104
dB
No weighting
17
Vn
Output voltage noise
f = 20 Hz to 20 kHz
V
RMS
A weighting
13
VDD = 2.5 V to 5.5 V,
f = 20 Hz to 1 kHz
≤-85
Common-mode rejection
CMRR
resistor tolerance = 0.1%,
dB
ratio
f = 20 Hz to 20 kHz
≤-74
gain = 4V/V, VICM = 200 mVPP
ZI
Input impedance
2
M
ZO
Output impedance
Shutdown mode
>10k
Shutdown attenuation
f = 20 Hz to 20 kHz, RF = RI = 20 k
-80
dB
3
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