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参数资料
型号： TPA6203A1GQV
厂商： TEXAS INSTRUMENTS INC
元件分类： 音频／视频放大
英文描述： 1.25 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA8
封装： PLASTIC, BGA-8
文件页数： 13/19页
文件大小： 214K
代理商： TPA6203A1GQV
TPA6203A1
SLOS364 – MARCH 2002
www.ti.com
3
ELECTRICAL CHARACTERISTICS
TA = 25°C, Gain = 1 V/V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOO|
Output offset voltage
(measured differentially)
VI = 0 V, VDD = 2.5 V to 5.5 V
9
mV
PSRR
Power supply rejection ratio
VDD = 2.5 V to 5.5 V
–90
–70
dB
VIC
Common-mode input voltage
VDD = 2.5 V, 5.5 V, CMRR ≤ –60 dB
0.5
VDD–0.8
V
CMRR
Common mode rejection ratio
VDD = 3.6 V to 5.5 V, VIC = 0.5 V to VDD–0.8
–70
–65
dB
CMRR
Common-mode rejection ratio
VDD = 2.5 V, VIC = 0.5 V to 1.7 V
–62
–60
dB
RL = 8 ,
VDD = 5.5 V
0.30
0.46
VOL
Low-level output voltage
RL = 8 ,
VIN+ = VDD, VIN– = 0 V or
VDD = 3.6 V
0.22
V
VOL
Low level out ut voltage
VIN+ VDD, VIN– 0 V or
VIN+ = 0 V, VIN– = VDD
VDD = 2.5 V
0.19
0.26
V
RL = 8 ,
VDD = 5.5 V
4.8
5.12
VOH
High-level output voltage
RL = 8 ,
VIN+ = VDD, VIN– = 0 V or
VDD = 3.6 V
3.28
V
VOH
High level out ut voltage
VIN+ VDD, VIN– 0 V or
VIN+ = 0 V, VIN– = VDD
VDD = 2.5 V
2.1
2.24
V
|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
OPERATING CHARACTERISTICS
TA = 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
PO
Out ut ower
THD + N 1%, f
1 kHz
VDD = 2.5 V
0.3
W
VDD = 5 V, PO = 1 W, f = 1 kHz
0.06%
THD+N
Total harmonic distortion plus noise
VDD = 3.6 V, PO = 0.5 W, f = 1 kHz
0.07%
THD+N
Total harmonic distortion lus noise
VDD = 2.5 V, PO = 200 mW, f = 1 kHz
0.08%
C(BYPASS) = 0.47 F,
VDD = 3.6 V to 5.5 V,
Inputsac-grounded
with CI = 2 F
f = 217 Hz to 2 kHz,
VRIPPLE = 200 mVp–p
–87
kSVR
Supply ripple rejection ratio
C(BYPASS) = 0.47 F,
VDD = 2.5 V to 3.6 V,
Inputsac-grounded
with CI = 2 F
f = 217 Hz to 2 kHz,
VRIPPLE = 200 mVp–p
–82
dB
C(BYPASS) = 0.47 F,
VDD = 2.5 V to 5.5 V,
Inputsac-grounded
with CI = 2 F
f = 40 Hz to 20 kHz,
VRIPPLE = 200 mVp–p
≤–74
SNR
Signal-to-noise ratio
VDD = 5 V,
PO = 1 W
104
dB
V
Output voltage noise
f
20Hzto20kHz
No weighting
17
V
Vn
Output voltage noise
f = 20 Hz to 20 kHz
A weighting
13
VRMS
CMRR
Common mode rejection ratio
VDD = 2.5 V to 5.5 V,
f = 20 Hz to 1 kHz
≤–85
dB
CMRR
Common-mode rejection ratio
VDD = 2.5 V to 5.5 V,
VICM = 200 mVp–p
f = 20 Hz to 20 kHz
≤–74
dB
ZI
Input impedance
2
M
Shutdown attenuation
f = 20 Hz to 20 kHz
–80
dB
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