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参数资料
| 型号： | TAS5112DFDRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 62 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO56 |
| 封装： | GREEN, PLASTIC, HTSSOP-56 |
| 文件页数： | 17/21页 |
| 文件大小： | 455K |
| 代理商： | TAS5112DFDRG4 |
TAS5112
SLES048C JULY 2003 REVISED MARCH 2004
www.ti.com
5
RECOMMENDED OPERATING CONDITIONS
MIN
TYP
MAX
UNIT
DVDD
Digital supply (1)
Relative to DGND
3
3.3
3.6
V
GVDD
Supply for internal gate drive and logic
regulators
Relative to GND
16
29.5
30.5
V
PVDD_x
Half-bridge supply
Relative to GND, RL= 6 to 8
0
29.5
30.5
V
TJ
Junction temperature
0
125
_C
(1) It is recommended for DVDD to be connected to DREG via a 100- resistor.
ELECTRICAL CHARACTERISTICS
PVDD_X = 29.5 V, GVDD = 29.5 V, DVDD connected to DREG via a 100-
resistor, RL = 6 , 8X fs = 384 kHz, unless otherwise noted
TYPICAL
OVER TEMPERATURE
SYMBOL
PARAMETER
TEST CONDITIONS
TA=25°C
TCase=
75
°C
TA=40°C
TO 85
°C
UNITS
MIN/TYP/
MAX
AC PERFORMANCE, BTL Mode, 1 kHz
RL = 8 , THD = 0.2%,
AES17 filter, 1 kHz
40
W
Typ
Po
Output power
RL = 8 , THD = 10%, AES17
filter, 1 kHz
50
W
Typ
Po
Output power
RL = 6 , THD = 0.2%,
AES17 filter, 1 kHz
50
W
Typ
RL = 6 , THD = 10%, AES17
filter, 1 kHz
62
W
Typ
Po = 1 W/ channel, RL = 6 ,
AES17 filter
0.03%
Typ
THD+N
Total harmonic distortion
+ noise
Po = 10 W/channel, RL = 6 ,
AES17 filter
0.04%
Typ
+ noise
Po = 50 W/channel, RL = 6 ,
AES17 filter
0.2%
Typ
Vn
Output integrated voltage
noise
A-weighted, mute, RL = 6 ,,
20 Hz to 20 kHz, AES17 filter
260
V
Max
SNR
Signal-to-noise ratio
A-weighted, AES17 filter
96
dB
Typ
DR
Dynamic range
f = 1 kHz, A-weighted,
AES17 filter
96
dB
Typ
INTERNAL VOLTAGE REGULATOR
DREG
Voltage regulator
Io = 1 mA,
PVDD = 18 V30.5 V
3.1
V
Typ
GREG
Voltage regulator
Io = 1.2 mA,
PVDD = 18 V30.5 V
13.4
V
Typ
IVGDD
GVDD supply current,
operating
fS = 384 kHz, no load, 50%
duty cycle
24
mA
Max
IDVDD
DVDD supply current,
operating
fS = 384 kHz, no load
1
5
mA
Max
OUTPUT STAGE MOSFETs
Ron,LS
Forward on-resistance,
low side
TJ = 25°C
155
m
Typ
Ron,HS
Forward on-resistance,
high side
TJ = 25°C
155
m
Typ
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