参数资料
型号: TDA8926TH
厂商: NXP SEMICONDUCTORS
元件分类: 音频/视频放大
英文描述: 50 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
封装: PLASTIC, SOT-566-3, HSOP-24
文件页数: 4/28页
文件大小: 233K
代理商: TDA8926TH
2002 Oct 22
12
Philips Semiconductors
Preliminary specication
Power stage 2
× 50 W class-D audio
amplier
TDA8926TH
14 SWITCHING CHARACTERISTICS
VP = ±25 V; Tamb =25 °C; measured in Fig.6; unless otherwise specied.
Note
1. When used in combination with controller TDA8929T, the effective minimum pulse width during clipping is 0.5tW(min).
14.1
Duty factor
For the practical useable minimum and maximum duty factor (
δ) which determines the maximum output power:
× 100% < δ <
× 100%
Using the typical value this becomes 3.5% <
δ < 96.5%.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
PWM outputs (pins OUT1 and OUT2); see Fig.5
tr
rise time
30
ns
tf
fall time
30
ns
tblank
blanking time
70
ns
tPD
propagation delay
from pin SW1 (SW2) to
pin OUT1 (OUT2)
20
ns
tW(min)
minimum pulse width
note 1
220
270
ns
Rds(on)
on-resistance of the output
transistors
0.2
0.3
t
W(min)
f
osc
×
2
-------------------------------
1
t
W(min)
f
osc
×
2
-------------------------------
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