參數(shù)資料
型號(hào)： TPA005D14DCA
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 音頻／視頻放大
英文描述： 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO48
封裝： PLASTIC, HTSSOP-48
文件頁(yè)數(shù)： 27/30頁(yè)
文件大?。?/td> 492K
代理商： TPA005D14DCA
TPA005D14
2-W STEREO CLASS-D AUDIO POWER AMPLIFIER
SLOS240A – AUGUST 1999 – REVISED MARCH 2000
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics, Class-D amplifier, VDD = PVDD = LPVDD = RPVDD = 5 V, RL = 4 ,
TA = 25°C, See Figure 1 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
RMS output power
f = 1 kHz,
THD = 0.5%,
Per channel
2
W
THD+N
Total harmonic distortion plus noise
PO = 1 W,
f = 1 kHz
0.2%
Efficiency
PO = 1 W,
RL = 8
80%
AV
Gain
20
dB
Left/right channel gain matching
95%
99%
Noise floor
–55
dBV
Dynamic range
70
dB
Crosstalk
f = 1 kHz
–55
dB
Frequency response bandwidth, post output filter, – 3 dB
20
20 000
Hz
BOM
Maximum output power bandwidth
20
kHz
ZI
Input impedance
10
k
electrical characteristics, headphone amplifier, PVDD = LPVDD= RPVDD = 5 V, RL = 32 , TA = 25°C,
See Figure 3 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Power supply rejection ratio
PVDD = 4.5 V to 5.5 V,
AV = –1 V/V
–60
dB
Uncompensated gain range
–1
–10
V/V
IDD
Supply current
8
10
mA
IDD(MUTE) Supply current, mute mode
1.5
2
mA
IDD(SD)
Supply current, shutdown mode
0.2
10
A
IIB
Input bias current
30
A
operating characteristics, headphone amplifier, PVDD = LPVDD = RPVDD = 5 V, RL = 32 , TA = 25°C,
See Figure 3 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
THD = 0.5%,
f = 1 kHz,
AV = –10V/V
50
mW
Supply voltage rejection ratio
f = 1 kHz
–60
dB
Noise floor
–84
dBV
Dynamic range
90
dB
Crosstalk
f = 1 kHz
–38
dB
Frequency response bandwidth, post output filter, – 3 dB
20
20 000
Hz
BOM
Maximum output power bandwidth
20
kHz
ZI
Input impedance
>1
M
thermal shutdown
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Thermal shutdown temperature
165
°C
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