參數(shù)資料
型號(hào)： TAS5631PHD
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： AUDIO AMPLIFIER, PQFP64
封裝： GREEN, PLASTIC, HTQFP-64
文件頁(yè)數(shù)： 33/34頁(yè)
文件大?。?/td> 1823K
代理商： TAS5631PHD
SLES221C – JULY 2009 – REVISED APRIL 2010
www.ti.com
AUDIO CHARACTERISTICS (BTL)
Audio performance is recorded as a chipset consisting of a TAS5518 PWM processor (modulation index limited to 97.7%)
and a TAS5631 power stage. PCB and system configurations are in accordance with recommended guidelines. Audio
frequency = 1 kHz, PVDD_X = 50 V, GVDD_X = 12 V, RL = 4 , fS = 384 kHz, ROC = 22 k, TC = 75°C;
output filter: LDEM = 7 mH, CDEM = 680 nF, MODE = 000, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP MAX UNIT
RL = 4 , 10% THD+N, clipped input signal
300
RL = 6 , 10% THD+N, clipped input signal
210
RL = 8 , 10% THD+N, clipped input signal
160
PO
Power output per channel
W
RL = 4 , 1% THD+N, unclipped input signal
240
RL = 6 , 1% THD+N, unclipped input signal
160
RL = 8 , 1% THD+N, unclipped input signal
125
THD+N
Total harmonic distortion + noise
1 W
0.03%
Vn
Output integrated noise
A-weighted, TAS5518 modulator
180
mV
|VOS|
Output offset voltage
No signal
40
150
mV
SNR
Signal-to-noise ratio(1)
A-weighted, TAS5518 modulator
103
dB
A-weighted, input level –60 dBFS using TAS5518
DNR
Dynamic range
103
dB
modulator
Power dissipation due to idle losses
Pidle
PO = 0, four channels switching
(2)
3.9
W
(IPVDD_X)
(1)
SNR is calculated relative to 1% THD-N output level.
(2)
Actual system idle losses also are affected by core losses of output inductors.
AUDIO SPECIFICATION (Single-Ended Output)
Audio performance is recorded as a chipset consisting of a TAS5086 PWM processor (modulation index limited to 97.7%)
and a TAS5631 power stage. PCB and system configurations are in accordance with recommended guidelines. Audio
frequency = 1 kHz, PVDD_X = 50 V, GVDD_X = 12 V, RL = 2 , fS = 384 kHz, ROC = 22 k, TC = 75°C;
output filter: LDEM = 7 mH, CDEM = 470 nF, MODE = 100, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
RL = 2 , 10%, THD+N, clipped input signal
145
RL = 3 , 10%, THD+N, clipped input signal
100
RL = 4 , 10%, THD+N, clipped input signal
75
PO
Power output per channel
W
RL = 2 , 1% THD+N, unclipped input signal
110
RL = 3 , 1% THD+N, unclipped input signal
75
RL = 4 , 1% THD+N, unclipped input signal
55
THD+N
Total harmonic distortion + noise
1 W
0.04%
Vn
Output integrated noise
A-weighted, TAS5086 modulator
140
mV
SNR
Signal-to-noise ratio(1)
A-weighted, TAS5086 modulator
100
dB
A-weighted, input level –60 dBFS using TAS5086
DNR
Dynamic range
100
dB
modulator
Pidle
Power dissipation due to idle losses (IPVDD_X) PO = 0, 4 channels switching
(2)
3
W
(1)
SNR is calculated relative to 1% THD-N output level.
(2)
Actual system idle losses are affected by core losses of output inductors.
8
Copyright 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): TAS5631
相關(guān)PDF資料
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TAS5701PAPG4 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64
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