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參數(shù)資料
| 型號： | TPA2015D1YZHT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.7 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA16 |
| 封裝： | 1.954 X 1.954 MM, 0.50 MM PITCH, DSBGA-16 |
| 文件頁數(shù)： | 23/27頁 |
| 文件大小： | 1016K |
| 代理商： | TPA2015D1YZHT |
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SLOS638 – MAY 2010
ELECTRICAL CHARACTERISTICS (continued)
VBAT= 3.6 V, Gain = 6 dB, RAGC = Float, TA = 25°C, RL = 8 + 33 mH (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AGC with no inflection point, RAGC = Open
2
AGC option 1 (inflection = 3.55 V), RAGC = 39 k (±5%)
1.36
1.75
AGC control pin voltage
V
AGC option 2 (inflection = 3.78 V) , RAGC = 27 k (±5%)
0.94
1.2
AGC option 3 (inflection = 3.96 V) , RAGC = 18 k (±5%)
0
0.825
AGC control pin output
37.6
40
42.4
mA
current
Input common-mode
IN+, IN–
0.6
1.3
V
voltage range
Boost converter followed by Class-D amplifier
6
10
Start-up time
Boost converter only
1
4
ms
Class-D amplifier only
5
6
OPERATING CHARACTERISTICS
VBAT= 3.6 V, TA = 25°C, RL = 8 + 33 mH (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
BOOST CONVERTER
Boost converter output voltage range,
IBOOST = 700 mA
5.2
5.8
V
PVOUT
Boost converter input current limit
Power supply current
1500
mA
IL
Boost converter start-up current limit
450
mA
h
Boost converter efficiency
END = 0 V, IPVOUT = 100 mA constant
88%
fBOOST
Boost converter frequency
1.2
MHz
CLASS-D AMPLIFIER
THD = 1%, VBAT = 2.5 V, f = 1 kHz
1200
PO
Output power
THD = 1%, VBAT = 3 V, f = 1 kHz
1500
mW
THD = 1%, VBAT = 3.6 V, f = 1 kHz
1700
THD = 1%, VBAT = 3 V, f = 1 kHz,
VO
Output peak voltage
5.2
V
6 dB crest factor sine burst, no clipping
GAIN < 0.25 × VBAT
6
AV
Closed-loop voltage gain
0.4 × VBAT < GAIN < 0.6 × VBAT (or float)
15.5
dB
GAIN > 0.75 × VBAT
20
ΔAV
Gain accuracy
–0.5
0.5
dB
VOOS
Output offset voltage
10
mV
AV = 6 dB
27.8
Input impedance (per input pin)
AV = 15.5 dB
14.9
k
RIN
AV = 20 dB
10.1
Input impedance in shutdown (per input
END = 0 V
88.4
k
pin)
ZO
Output impedance in shutdown
END = 0 V
2
k
fCLASS-D
Switching frequency
560
600
640
kHz
A-weighted, GAIN = 6 dB
24.8
EN
Noise output voltage
A-weighted, GAIN = 15.5 dB
33.4
mVRMS
A-weighted, GAIN = 20 dB
42.4
PO = 100 mW, f = 1 kHz
0.06%
THD+N
Total harmonic distortion plus noise(1)
PO = 500 mW, f = 1 kHz
0.07%
200 mVPP ripple, f = 217 Hz
75
AC-Power supply ripple rejection (output
AC PSRR
dB
referred)
200 mVPP ripple, f = 4 kHz
70
(1)
A-weighted
Copyright 2010, Texas Instruments Incorporated
5
Product Folder Link(s): TPA2015D1
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