參數(shù)資料
型號(hào): TPA321DGNR
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 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(yè)數(shù): 24/29頁(yè)
文件大?。?/td> 773K
代理商: TPA321DGNR
www.ti.com
PARAMETER MEASUREMENT INFORMATION
Audio
Input
Bias
Control
VDD
6
5
7
VO+
VDD
1
2
4
BYPASS
IN -
VDD/2
CI
RI
CS
1
F
CB
0.1
F
RF
SHUTDOWN
VO-
8
RL = 8
GND
3
IN+
-
+
-
+
TPA321
SLOS312C – JUNE 2000 – REVISED JUNE 2004
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
BYPASS is the tap to the voltage divider for internal mid-supply bias. This terminal should be connected
BYPASS
2
I
to a 0.1-F to 1-F capacitor when used as an audio amplifier.
GND
7
GND is the ground connection.
IN-
4
I
IN- is the inverting input. IN- is typically used as the audio input terminal.
IN+
3
I
IN+ is the noninverting input. IN+ is typically tied to the BYPASS terminal for SE operations.
SHUTDOWN
1
I
SHUTDOWN places the entire device in shutdown mode when held high (IDD ~ 0.15 A).
VDD
6
VDD is the supply voltage terminal.
VO+
5
O
VO+ is the positive BTL output.
VO-
8
O
VO- is the negative BTL output.
Figure 1. Test Circuit
4
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