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參數(shù)資料
| 型號： | TPA2011D1YFFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3.24 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9 |
| 封裝： | 1.21 X 1.16 MM, 0.40 MM PITCH, GREEN, PLASTIC, DSBGA-9 |
| 文件頁數(shù)： | 18/24頁 |
| 文件大?。?/td> | 670K |
| 代理商： | TPA2011D1YFFT |
www.ti.com
SLOS626A – DECEMBER 2009 – REVISED MAY 2010
ELECTRICAL CHARACTERISTICS
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output offset voltage (measured
|VOS|
VI = 0 V, AV = 2 V/V, VDD = 2.5 V to 5.5 V
1
5
mV
differentially)
|IIH|
High-level input current
VDD = 5.5 V, VEN = 5.5 V
50
mA
|IIL|
Low-level input current
VDD = 5.5 V, VEN = 0 V
1
mA
VDD = 5.5 V, no load
1.8
2.5
I(Q)
Quiescent current
VDD = 3.6 V, no load
1.5
2.3
mA
VDD = 2.5 V, no load
1.3
2.1
I(SD)
Shutdown current
VEN = 0.35 V, VDD = 2.5 V to 5.5 V
0.1
2
mA
RO, SD
Output impedance in shutdown mode
VEN = 0.35 V
2
k
f(SW)
Switching frequency
VDD = 2.5 V to 5.5 V
250
300
350
kHz
AV
Gain
VDD = 2.5 V to 5.5 V, RI in k
285/RI 300/RI
315/RI
V/V
REN
Resistance from EN to GND
300
k
OPERATING CHARACTERISTICS
VDD = 3.6 V, TA = 25°C, AV = 2 V/V, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD = 5 V
3.24
THD + N = 10%, f = 1 kHz, RL = 4
VDD = 3.6 V
1.62
W
VDD = 2.5 V
0.70
VDD = 5 V
2.57
THD + N = 1%, f = 1 kHz, RL = 4
VDD = 3.6 V
1.32
W
VDD = 2.5 V
0.57
PO
Output power
VDD = 5 V
1.80
THD + N = 10%, f = 1 kHz, RL = 8
VDD = 3.6 V
0.91
W
VDD = 2.5 V
0.42
VDD = 5 V
1.46
THD + N = 1%, f = 1 kHz, RL = 8
VDD = 3.6 V
0.74
W
VDD = 2.5 V
0.33
VDD = 3.6 V, Inputs AC grounded
A-weighting
20
Vn
Noise output voltage
mVRMS
with CI = 2mF, f = 20 Hz to 20 kHz
No weighting
25
VDD = 5.0 V, PO = 1.0 W, f = 1 kHz, RL = 8
0.11%
VDD = 3.6 V, PO = 0.5 W, f = 1 kHz, RL = 8
0.05%
VDD = 2.5 V, PO = 0.2 W, f = 1 kHz, RL = 8
0.05%
Total harmonic distortion plus
THD+N
noise
VDD = 5.0 V, PO = 2.0 W, f = 1 kHz, RL = 4
0.23%
VDD = 3.6 V, PO = 1.0 W, f = 1 kHz, RL = 4
0.07%
VDD = 2.5 V, PO = 0.4 W, f = 1 kHz, RL = 4
0.06%
VDD = 3.6 V, Inputs AC grounded with CI = 2 mF,
PSRR
AC power supply rejection ratio
86
dB
200 mVpp ripple, f = 217 Hz
CMRR
Common mode rejection ratio
VDD = 3.6 V, VIC = 1 VPP, f = 217 Hz
79
dB
TSU
Startup time from shutdown
VDD = 3.6 V
4
ms
VDD = 3.6 V, VO+ shorted to VDD
2
VDD = 3.6 V, VO– shorted to VDD
2
Overcurrent protection
IOC
VDD = 3.6 V, VO+ shorted to GND
2
A
threshold
VDD = 3.6 V, VO– shorted to GND
2
VDD = 3.6 V, VO+ shorted to VO–
2
Copyright 2009–2010, Texas Instruments Incorporated
3
Product Folder Link(s) :TPA2011D1
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