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参数资料
| 型号： | TAS5704PAPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| 封装： | GREEN, PLASTIC, HTQFP-64 |
| 文件页数： | 2/38页 |
| 文件大小： | 735K |
| 代理商： | TAS5704PAPR |
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SLOS563A – MARCH 2008 – REVISED AUGUST 2010
www.ti.com
AC Characteristics, TA = 25°C, PVCC_X, AVCC = 18 V, AVDD, DVDD = 3.3 V, RL = 8 (unless
otherwise noted)
(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
100-mVPP ripple at 20 Hz–20 kHz, BTL, 50%
KSVR
Supply ripple rejection
–60
dB
duty cycle PWM
BTL (RL = 8 , THD+N = 10%, f = 1 kHz,
20.6
W
PVCC = 18 V)
BTL (RL = 8 , THD+N = 7%, f = 1 kHz,
19.3
W
PVCC = 18 V)
Continuous output
PO
power
SE (RL = 4 , THD+N = 10%, f = 1 kHz,
18.1
W
PVCC = 24 V)
SE (RL = 4 , THD+N = 7%, f = 1 kHz, PVCC
17.3
W
= 24 V)
Total harmonic distortion VCC = 24 V, RL = 4 , f = 1 kHz, PO = 10 W
0.08%
+ noise (SE)
(half-power)
THD+N
Total harmonic distortion VCC = 18 V, RL = 8 , f = 1 kHz, PO = 10 W
0.05%
+ noise (BTL)
(half-power)
20 Hz to 22 kHz (BD mode)
89
mV
Vn
Output integrated noise
A-weighted filter; MUTE = LOW
–81
dBV
Crosstalk
PO = 1 W, f = 1 kHz
–69
dB
Maximum output at THD+N < 1%, f = 1 kHz,
SNR
Signal-to-noise ratio
100
dB
A-weighted
Thermal trip point
(output shutdown,
150
°C
unlatched fault)
Thermal hysteresis
15
°C
(1)
All measurement in AD mode (unless otherwise noted).
AC Characteristics, TA = 25°C, PVCC_X, AVCC = 12 V, AVDD, DVDD = 3.3 V, RL = 8 (unless
otherwise noted)
(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
100-mVpp ripple at 20 Hz–20 kHz, BTL,
KSVR
Supply ripple rejection
–60
dB
50% duty cycle PWM
BTL (RL = 8 , THD+N = 10%, f = 1 kHz)
9.2
W
BTL (RL = 8 , THD+N = 7%, f = 1 kHz)
8.7
W
PO
Continuous output power
SE (RL = 4 , THD+N = 10%, f = 1 kHz)
4.5
W
SE (RL = 4 , THD+N = 7%, f = 1 kHz)
4.2
W
Total harmonic distortion
VCC = 12 V, RL = 8 , f = 1 kHz,
THD+N
0.07%
+ noise (BTL)
PO = 5 W (half-power)
20 Hz to 22 kHz (BD mode)
89
mV
Vn
Output integrated noise
A-weighted filter
–81
dBV
Crosstalk
PO = 1 W, f = 1 kHz
–75
dB
Maximum output at THD+N < 1%,
SNR
Signal-to-noise ratio
96
dB
f = 1 kHz, A-weighted
Thermal trip point (output
150
°C
shutdown, unlatched fault)
Thermal hysteresis
15
°C
(1)
All measurement in AD mode (unless otherwise noted).
10
Copyright 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): TAS5704
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