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參數資料
| 型號： | TPA3003D2PFBR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQFP48 |
| 封裝： | GREEN, PLASTIC, TQFP-48 |
| 文件頁數： | 33/36頁 |
| 文件大小： | 755K |
| 代理商： | TPA3003D2PFBR |
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TPA3003D2
SLOS406A FEBRUARY 2003 REVISED MARCH 2003
6
www.ti.com
dc characteristics, TA = 25°C, VCC = 12 V, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
| VOS |
Output offset voltage (measured
differentially)
INN and INP connected together,
Gain = 36 dB
10
65
mV
V2P5 (terminal 4)
2.5-V Bias voltage
No load
0.45x
AVDD
0.5x
AVDD
0.55x
AVDD
V
PSRR
Power supply rejection ratio
VCC = 11.5 V to 12.5 V
80
dB
ICC
Supply quiescent current
MUTE = 2 V, SD = 2 V
16
28.5
mA
ICC(MUTE)
MUTE mode quiescent current
MUTE = 3.5 V, SD = 2 V
7
9
mA
ICC(max power)
Supply current at max power
RL = 8 , PO = 3 W
0.6
A
ICC(SD)
Supply current in shutdown mode
SD = 0.8 V
1
10
A
VCC = 12 V,
High side
600
700
rds(on)
Drain-source on-state resistance
VCC = 12 V,
IO = 1 A,
T = 25 C
Low side
600
700
m
rds(on)
Drain-source on-state resistance
IO = 1 A,
TJ = 25°C
Total
1200
1400
m
ac characteristics, TA = 25°C, VCC = 12 V, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
kSVR
Supply ripple rejection ratio
VCC = 11.5 V to 12.5 V from 10 Hz
to 1 kHz, Gain = 36 dB
67
dB
PO(max)
Maximum continuous output power
THD+N = 1%, f = 1 kHz, RL = 8
3
W
PO(max)
Maximum continuous output power
THD+N = 10%, f = 1 kHz, RL = 8
3.75
W
Vn
Output integrated noise floor
20 Hz to 22 kHz, No weighting filter,
Gain = 0.5 dB
82
dBV
Crosstalk, Left
→ Right
Gain = 13.2 dB, PO = 1 W, RL = 8
77
dB
SNR
Signal-to-noise ratio
Maximum output at THD+N < 0.5%,
f= 1 kHz, Gain = 0.5 dB
102
dB
Thermal trip point
150
°C
Thermal hystersis
20
°C
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