參數(shù)資料
型號(hào): TPA721DGN
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: GREEN, PLASTIC, MSOP-8
文件頁數(shù): 21/26頁
文件大?。?/td> 663K
代理商: TPA721DGN
www.ti.com
OPERATING CHARACTERISTICS
PARAMETER MEASUREMENT INFORMATION
Audio
Input
Bias
Control
VDD
6
5
7
VO+
VDD
1
2
4
BYPASS
IN–
VDD/2
CI
RI
CS
CB
RF
SHUTDOWN
VO– 8
RL = 8
GND
3
IN+
+
+
TPA721
SLOS231E – NOVEMBER 1998 – REVISED JUNE 2004
V
DD = 5 V, TA = 25°C, RL = 8
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
THD = 0.5%,
700(1)
mW
THD + N
Total harmonic distortion plus noise
PO = 250 mW,
f = 200 Hz to 4 kHz, See Figure 11
0.5%
BOM
Maximum output power bandwidth
Gain = 2,
THD = 2%, See Figure 11
20
kHz
B1
Unity-gain bandwidth
Open loop,
1.4
MHz
kSVR
Supply ripple rejection ratio
f = 1 kHz,
CB = 1 F, See Figure 2
80
dB
Vn
Noise output voltage
Gain = 1,
CB = 0.1 F, See Figure 20
17
V(rms)
(1)
The DGN package, properly mounted, can conduct 700-mW RMS power continuously. The D package can only conduct 350-mW RMS
power continuously with peaks to 700 mW.
Figure 1. BTL Mode Test Circuit
4
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TPA721DR 功能描述:音頻放大器 700mW Lw V Audio 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
TPA721DRG4 功能描述:音頻放大器 Mono Class-AB w/Active HIgh Shtdwn 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