参数资料
型号: TDA8933BTW
厂商: NXP SEMICONDUCTORS
元件分类: 音频/视频放大
英文描述: Class D Audio Amplifier
中文描述: 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32
封装: 6.10 MM, 0.65 MM PITCH, PLASTIC, SOT-249-1, HTSSOP-32
文件页数: 10/42页
文件大小: 245K
代理商: TDA8933BTW
TDA8933B_1
NXP B.V. 2008. All rights reserved.
Preliminary data sheet
Rev. 01 — 23 October 2008
18 of 42
NXP Semiconductors
TDA8933B
Class D audio amplier
Engage input: pin ENGAGE[1]
VO
output voltage
2.4
2.8
3.1
V
VI
input voltage
0
-
6.0
V
IO
output current
VI = 3 V
-
50
60
A
VIL
LOW-level input
voltage
0
-
0.8
V
VIH
HIGH-level input
voltage
2.4
-
6.0
V
Diagnostic output: pin DIAG[1]
VO
output voltage
protection activated; see
-
0.8
V
Operating mode
2
2.5
3.3
V
Bias voltage for inputs: pin INREF
VO(bias)
bias output voltage
Reference to VSSA
-
2.1
-
V
Half-supply voltage
Pins HVP1 and HVP2
VO
output voltage
half-supply voltage to
charge SE capacitor
0.5VP 0.2 V
0.5VP
0.5VP + 0.2 V V
IO
output current
VHVP1 =VHVP2 =VO 1V
-
50
-
mA
Pin HVPREF
VO
output voltage
half-supply reference
voltage in Mute mode
0.5VP 0.2 V
0.5VP
0.5VP + 0.2 V V
Reference voltage for internal logic: pin DREF
VO
output voltage
reference to VSSA
4.5
4.8
5.1
V
Amplier outputs: pins OUT1 and OUT2
VO(offset)
output offset voltage
SE; with respect to HVPREF
Mute mode
-
15
mV
Operating mode
-
100
mV
BTL
Mute mode
-
20
mV
Operating mode
-
150
mV
Stabilizer output: pins STAB1, STAB2
VO
output voltage
Mute mode and
Operating mode; with
respect to pins VSSP1 and
VSSP2
10
11
12
V
Voltage protections
VP(uvp)
undervoltage
protection supply
voltage
8.0
9.5
9.9
V
VP(ovp)
overvoltage protection
supply voltage
36.1
38.5
40
V
Table 10.
Characteristics …continued
VP = 25 V, fosc = 320 kHz and Tamb = 25 °C; unless specied otherwise.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
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