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參數(shù)資料
| 型號： | TPA2010D1YZF |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2.5-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER |
| 中文描述： | 2.5單聲道無濾波器D類音頻功率放大器 |
| 文件頁數(shù)： | 3/23頁 |
| 文件大小： | 415K |
| 代理商： | TPA2010D1YZF |
SLOS417A OCTOBER 2003 REVISED DECEMBER 2003
www.ti.com
3
ELECTRICAL CHARACTERISTICS
TA = 25
°
C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOS|
Output offset voltage (measured
differentially)
VI = 0 V, AV = 2 V/V, VDD = 2.5 V to 5.5 V
1
25
mV
PSRR
Power supply rejection ratio
VDD = 2.5 V to 5.5 V
VDD = 2.5 V to 5.5 V, VIC = VDD/2 to 0.5 V
VIC = VDD/2 to VDD 0.8 V
VDD = 5.5 V, VI = 5.8 V
VDD = 5.5 V, VI = 0.3 V
VDD = 5.5 V, no load
VDD = 3.6 V, no load
VDD = 2.5 V, no load
V(SHUTDOWN)= 0.35 V, VDD = 2.5 V to 5.5 V
VDD = 2.5 V
VDD = 3.6 V
VDD = 5.5 V
V(SHUTDOWN) = 0.4 V
VDD = 2.5 V to 5.5 V
75
55
dB
CMRR
Common mode rejection ratio
68
49
dB
IIH
IIL
High-level input current
100
μ
A
μ
A
Low-level input current
5
3.4
4.9
I(Q)
Quiescent current
2.8
mA
2.2
3.2
I(SD)
Shutdown current
0.5
2
μ
A
700
rDS(on)
Static drain-source on-state resistance
500
m
400
Output impedance in SHUTDOWN
>1
k
kHz
f(sw)
Switching frequency
200
250
300
Gain
VDD = 2.5 V to 5.5 V
285 k
R
I
300 k
R
I
300
315 k
R
I
V
V
Resistance from shutdown to GND
k
OPERATING CHARACTERISTICS
TA = 25
°
C, Gain = 2 V/V, RL = 8
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD + N= 10%, f = 1 kHz,
RL= 4
VDD = 5 V
VDD = 3.6 V
VDD = 2.5 V
VDD = 5 V
VDD = 3.6 V
VDD = 2.5 V
VDD = 5 V
VDD = 3.6 V
VDD = 2.5 V
VDD = 5 V
VDD = 3.6 V
VDD = 2.5 V
2.5
1.3
W
0.52
THD + N= 1%, f = 1 kHz,
RL= 4
2.08
1.06
W
PO
Output power
0.42
THD + N= 10%, f = 1 kHz,
RL= 8
1.45
0.73
W
0.33
THD + N= 1%, f = 1 kHz,
RL= 8
1.19
0.59
W
0.26
VDD = 5 V, PO = 1 W, RL
= 8
,
f = 1 kHz
VDD = 3.6 V, PO = 0.5 W, RL
= 8
,
f = 1 kHz
VDD = 2.5 V, PO = 200 mW, RL
= 8
,
f = 1 kHz
VDD = 3.6 V, Inputs ac-
grounded with Ci = 2
μ
F
VDD = 5 V, PO = 1 W, RL
= 8
VDD = 3.6 V,
f = 20 Hz to 20 kHz,
Inputs ac-grounded with
Ci = 2
μ
F
VDD = 3.6 V, VIC = 1 Vpp
0.18%
THD+N
Total harmonic distortion plus noise
0.19%
0.20%
kSVR
Supply ripple rejection ratio
f = 217 Hz,
V(RIPPLE) = 200 mVpp
67
dB
SNR
Signal-to-noise ratio
97
dB
Vn
Output voltage noise
No weighting
48
μ
VRMS
A weighting
36
CMRR
Common mode rejection ratio
f = 217 Hz
63
dB
k
ms
ZI
Input impedance
142
150
158
Start-up time from shutdown
VDD = 3.6 V
1
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