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参数资料
型号： TPA3100D2RGZT
厂商： TEXAS INSTRUMENTS INC
元件分类： 音频／视频放大
英文描述： 21.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
封装： 7 X 7 MM, GREEN, PLASTIC, VQFN-48
文件页数： 23/41页
文件大小： 1191K
代理商： TPA3100D2RGZT
TPA3100D2
www.ti.com
SLOS469F – OCTOBER 2005 – REVISED AUGUST 2010
RECOMMENDED OPERATING CONDITIONS (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
SHUTDOWN, VI = VCC, VCC = 24 V
125
MUTE, VI = VCC, VCC = 24 V
75
IIH
High-level input current
A
GAIN0, GAIN1, MSTR/SLV, SYNC, VI = VREG,
2
VCC = 24 V
SHUTDOWN, VI = 0, VCC = 24 V
2
IIL
Low-level input current
A
SYNC, MUTE, GAIN0, GAIN1, MSTR/SLV, VI = 0
1
V, VCC = 24 V
VOH
High-level output voltage
FAULT, IOH = 1 mA
VREG - 0.6
V
VOL
Low-level output voltage
FAULT, IOL = -1 mA
AGND + 0.4
V
fOSC
Oscillator frequency
Rosc Resistor = 100 k, MSTR/SLV = 2 V
200
300
kHz
TA
Operating free-air temperature
–40
85
°C
DC CHARACTERISTICS
TA = 25°C, VCC = 24 V, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
Class-D output offset voltage (measured
| VOS |
VI = 0 V, Gain = 36 dB
5
50
mV
differentially)
Bypass reference for input amplifier
VBYP, no load
1.1
1.25
1.45
V
4-V internal supply voltage
VREG, no load, VCC = 10 V to 26 V
3.75
4
4.25
V
VCC = 12 V to 24 V, inputs ac coupled to AGND,
PSRR
DC Power supply rejection ratio
-70
dB
Gain = 36 dB
ICC
Quiescent supply current
SHUTDOWN = 2 V, MUTE = 0 V, no load, filter,
22
26.5
mA
or snubber
ICC(SD)
Quiescent supply current in shutdown mode
SHUTDOWN = 0.8 V, no load, filter, or snubber
180
250
A
ICC(MUTE) Quiescent supply current in mute mode
MUTE = 2 V, no load, filter, or snubber
8
10
mA
High Side
200
VCC = 12 V, IO = 500 mA,
rDS(on)
Drain-source on-state resistance
Low side
200
m
TJ = 25°C
Total
400
500
GAIN0 = 0.8 V
19
20
21
GAIN1 = 0.8 V
dB
GAIN0 = 2 V
25
26
27
G
Gain
GAIN0 = 0.8 V
31
32
33
GAIN1 = 2 V
dB
GAIN0 = 2 V
35
36
37
Gain matching
Between channels
2%
tON
Turn-on time
C(VBYP) = 1 F, SHUTDOWN = 2 V
25
ms
tOFF
Turn-off time
C(VBYP) = 1 F, SHUTDOWN = 0.8 V
0.1
ms
DC CHARACTERISTICS
TA = 25°C, VCC = 12 V, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
Class-D output offset voltage (measured
| VOS |
VI = 0 V, Gain = 36 dB
5
50
mV
differentially)
Bypass reference for input amplifier
VBYP, no load
1.1
1.25
1.45
V
4-V internal supply voltage
VREG, no load
3.75
4
4.25
V
VCC = 12 V to 24 V, Inputs ac coupled to AGND,
PSRR
DC Power supply rejection ratio
-70
dB
Gain = 36 dB
ICC
Quiescent supply current
SHUTDOWN = 2 V, MUTE = 0 V, no load, filter,
18
22.5
mA
or snubber
ICC(SD)
Quiescent supply current in shutdown mode
SHUTDOWN = 0.8 V, no load, filter, or snubber
80
200
A
ICC(MUTE) Quiescent supply current in mute mode
MUTE = 2 V, no load, filter, or snubber
7
9
mA
Copyright 2005–2010, Texas Instruments Incorporated
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