參數(shù)資料
型號(hào)： TPA3120D2_07
廠商： Texas Instruments, Inc.
英文描述： 25-W STEREO CLASS-D AUDIO POWER AMPLIFIER
中文描述： 25 W立體聲D類(lèi)音頻功率放大器
文件頁(yè)數(shù)： 4/27頁(yè)
文件大小： 631K
代理商： TPA3120D2_07
www.ti.com
DC CHARACTERISTICS
T
A
= 25
°
C, V
CC
= 24 V, R
L
= 4
(unless otherwise noted)
AC CHARACTERISTICS
T
A
= 25
°
C, V
CC
= 24 V, R
L
= 4
(unless otherwise noted)
TPA3120D2
SLOS507C–MARCH 2007–REVISED MAY 2007
PARAMETER
Class-D output offset voltage
(measured differentially in BTL
mode as shown in Fig 30)
Bypass output voltage
Quiescent supply current
Quiescent supply current in
mute mode
Quiescent supply current in
shutdown mode
Drain-source on-state
resistance
TEST CONDITIONS
MIN
TYP
MAX
UNIT
| V
OS
|
V
I
= 0 V, A
V
= 36 dB
7.5
50
mV
V
(BYPASS)
I
CC(q)
I
CC(q)
No load
SD = 2 V, MUTE = 0 V, No load
AVCC/8
V
23
37
mA
MUTE = 0.8 V, No load
23
mA
I
CC(q)
SD = 0.8 V , No load
0.39
1
mA
r
DS(on)
200
m
GAIN0 = 0.8 V
GAIN0 = 2 V
GAIN0 = 0.8 V
GAIN0 = 2 V
18
24
30
34
20
26
32
36
-82
22
28
34
38
GAIN1 = 0.8 V
G
Gain
dB
GAIN = 2 V
Mute Attenuation
V
I
= 1Vrms
dB
PARAMETER
TEST CONDITIONS
MIN
TYP
–48
–52
16
MAX
UNIT
V
= 24, V
ripple
= 200 mV
PP
Gain = 20 dB
100 Hz
1 kHz
ksvr
Supply ripple rejection
dB
V
CC
= 24 V, R
L
= 4
, f = 1 kHz
V
CC
= 24 V, R
L
= 8
, f = 1 kHz
V
CC
= 24 V, R
L
= 4
, f = 1 kHz
V
CC
= 24 V, R
L
= 8
, f = 1 kHz
R
L
= 4
, f = 1 kHz, P
O
= 10 W
R
L
= 8
, f = 1 kHz, P
O
= 5 W
Output Power at 1% THD+N
8
P
O
W
20
10
Output Power at 10% THD+N
0.08%
0.08%
Total harmonic distortion +
noise
THD+N
85
-80
-60
μ
V
dBV
dB
20 Hz to 22 kHz, A-weighted filter,
Gain = 20 dB
V
n
Output integrated noise floor
Crosstalk
P
O
= 1 W, f = 1kHz; Gain = 20 dB
Max Output at THD+N < 1%, f = 1 kHz,
Gain = 20 dB
SNR
Signal-to-noise ratio
99
dB
Thermal trip point
Thermal hysteresis
Oscillator frequency
150
30
250
°
C
°
C
kHz
f
OSC
230
270
4
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參數(shù)描述
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TPA3120D2PWP 制造商:Texas Instruments 功能描述:Audio Power Amplifiers
TPA3120D2PWPG4 功能描述:音頻放大器 25W Stereo Class D Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA3120D2PWPR 功能描述:音頻放大器 25-W Stereo Class-D RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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