參數(shù)資料
型號: TPA2000D4DAP
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32
封裝: PLASTIC, HTSSOP-32
文件頁數(shù): 23/27頁
文件大小: 579K
代理商: TPA2000D4DAP
TPA2000D4
STEREO 2W CLASSD AUDIO POWER AMPLIFIER
WITH STEREO HP AMPLIFIER
SLOS337B DECEMBER 2000 REVISED NOVEMBER 2005
5
WWW.TI.COM
operating characteristics, class-D amplifier, TA = 25°C, VDD = PVDD = 5 V, RL = 8 , Gain = all gains
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
THD = 0.1%,
f = 1 kHz
1.5
W
THD+N
Total harmonic distortion plus noise
PO = 0.5 W,
f = 20 Hz to 20 kHz
<0.2%
BOM
Maximum output power bandwidth
THD = 1%
20
kHz
kSVR
Supply ripple rejection ratio
f = 1 kHz,
CBYPASS = 1 F
71
dB
SNR
Signal-to-noise ratio
85
dB
Vn
Noise output voltage
CBYPASS = 1 F, f = 20 Hz to 20 kHz
20
VRMS
ZI
Input impedance
>15
k
operating characteristics, headphone amplifier, TA = 25°C, VDD = PVDD = 5 V, RL = 32 , Gain = 1 V/V
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
THD = 0.1%,
f = 1 kHz
90
mW
THD+N
Total harmonic distortion plus noise
PO = 75 mW,
f = 20 Hz to 20 kHz
<0.2%
BOM
Maximum output power bandwidth
THD = 1%
20
kHz
kSVR
Supply ripple rejection ratio
f = 1 kHz,
CBYPASS = 1 F
42
dB
SNR
Signal-to-noise ratio
80
dB
Vn
Noise output voltage
CBYPASS = 1 F, f = 20 Hz to 20 kHz
20
VRMS
Table 1. Gain Settings
GAIN1
GAIN0
AMPLIFIER GAIN
(dB)
INPUT IMPEDANCE
(k
)
GAIN1
GAIN0
TYP
0
6
104
0
1
12
74
1
0
18
44
1
23.5
24
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