參數(shù)資料
型號： TPA3004D2PHPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQFP48
封裝： GREEN, PLASTIC, HTQFP-48
文件頁數(shù)： 43/46頁
文件大小： 838K
代理商： TPA3004D2PHPRG4
SLOS407E – FEBRUARY 2003 – REVISED JANUARY 2011
www.ti.com
RECOMMENDED OPERATING CONDITIONS
MIN
MAX
UNIT
Supply voltage, VCC
PVCC, AVCC; RL ≥ 3.6
8.5
18
V
Volume reference voltage
VREF
3.0
5.5
V
Volume control pins, input voltage
VARDIFF, VARMAX, VOLUME
5.5
V
SD
2
High-level input voltage, VIH
MODE
3.5
V
FADE
4
SD
0.8
Low-level input voltage, VIL
V
MODE, FADE
2
High-level output voltage, VOH
MODE_OUT, IOH = 1 mA
AVDD–100mV
V
Low-level output voltage, VOL
MODE_OUT, IOL = -1 mA
AGND+100mV
V
MODE, VI = 5 V, VCC = 18 V
1
High-level input current, IIH
FADE, VI= 18 V, VCC = 18 V
150
A
SD, VI= 18 V, VCC = 18 V
50
MODE, FADE , VI= 0 V, VCC = 18 V
1
A
Low-level input current, IIL
SD, VI= 0 V, VCC = 18 V
1
A
Oscillator frequency, fOSC
225
275
kHz
Operating free-air temperature, TA
–40
85
°C
Operating junction temperature, TJ
(1)
125
°C
(1)
Continuous operation above the recommended junction temperature may result in reduced reliability and/or lifetime of the device. The
junction temperature is controlled by the thermal design of the application and should be carefully considered in high power dissipation
applications. See the thermal considerations section on pages 33-35 for recommendations on improving the thermal performance of
your application.
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
| VOS |
INN and INP connected together, Gain = 36 dB
10
65
mV
(measured differentially)
0.45 x
0.5 x
0.55 x
V2P5 (terminal 4) 2.5-V Bias voltage
No load
V
AVDD
IO = 0 to 100 mA, SD = 2 V, VCC = 8.5 V to 18
AVDD
5-V Regulated output
4.5
5
5.5
V
Class-D power supply rejection
PSRR
VCC = 11.5 V to 12.5 V
–80
dB
ratio
ICC(class-D)
Class-D mode quiescent current
MODE = 2 V, SD = 2 V, VCC = 18 V
16
28.5
mA
Variable output mode quiescent
ICC(varout)
MODE = 3.5 V, SD = 2 V, VCC = 18 V
7
9
mA
current
Class-D mode RMS current at
ICC(class-D)max
RL = 8 , PO = 12 W, VCC = 15 V to 18 V
2
A
max power
SD = 0.8 V, VCC = 12 V
1
10
Supply current in shutdown
ICC(SD)
A
mode
SD = 0.8 V, VCC = 18 V
160
High side
300
VCC = 12 V, IO = 1 A,
rDS(on)
Drain-source on-state resistance
Low side
250
m
TJ = 25°C
Total
550
650
6
Copyright 2003–2011, Texas Instruments Incorporated
Product Folder Link(s): TPA3004D2
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TPA3005D2PHPG4 功能描述:音頻放大器 Stereo Med Power Filter-Free Class-D RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型: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
TPA3005D2PHPR 功能描述:音頻放大器 Stereo Med Power Filter-Free Class-D RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型: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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