參數(shù)資料
型號(hào)： TPA0152PWP
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
封裝： GREEN, PLASTIC, HTSSOP-24
文件頁數(shù)： 23/32頁
文件大?。?/td> 651K
代理商： TPA0152PWP
www.ti.com
ABSOLUTE MAXIMUM RATINGS
(1)
TPA0152
SLOS246F – JUNE 1999 – REVISED SEPTEMBER 2004
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
BYPASS
11
Tap to voltage divider for internal mid-supply bias generator
If a 47-nF capacitor is attached, the TPA0152 generates an internal clock. An external clock can
CLK
17
I
override the internal clock input to this terminal.
A momentary pulse on this terminal decreases the volume level by 2 dB. Holding the terminal low for
DOWN
3
I
a period of time will step the amplifier through the volume levels at a rate determined by the capacitor
on the CLK terminal.
1, 12,
GND
I
Ground connection for circuitry. Connected to thermal pad
13, 24
LHPIN
6
I
Left-channel headphone input, selected when SE/BTL is held high
LIN
10
I
Common left input for fully differential input. AC ground for single-ended inputs
LLINEIN
5
I
Left-channel line negative input, selected when SE/BTL is held low
LOUT+
4
O
Left-channel positive output in BTL mode and positive in SE mode
LOUT-
9
O
Left-channel negative output in BTL mode and high impedance in SE mode
The input for PC-Beep mode. PC-BEEP is enabled when a > 1.5-V (peak-to-peak) square wave is
PC-BEEP
14
I
input to PC-BEEP or PCB ENABLE is high.
PVDD
7, 18
I
Power supply for output stage
RHPIN
20
I
Right channel headphone input, selected when SE/BTL is held high
RIN
8
I
Common right input for fully differential input. AC ground for single-ended inputs
RLINEIN
23
I
Right-channel line input, selected when SE/BTL is held low
ROUT+
21
O
Right-channel positive output in BTL mode and positive in SE mode
ROUT-
16
O
Right-channel negative output in BTL mode and high impedance in SE mode
Input and output MUX control. When this terminal is held high, the LHPIN or RHPIN and SE output is
SE/BTL
15
I
selected. When this terminal is held low, the LLINEIN or RLINEIN and BTL output are selected.
When held low, this terminal places the entire device, except PC-BEEP detect circuitry, in shutdown
SHUTDOWN
22
I
mode.
A momentary pulse on this terminal increases the volume level by 2 dB. Holding the terminal low for
UP
2
I
a period of time will step the amplifier through the volume levels at a rate determined by the capacitor
on the CLK terminal.
Analog VDD input supply. This terminal needs to be isolated from PVDD to achieve highest
VDD
19
I
performance.
Thermal Pad
Connect to ground. Must be soldered down in all applications to properly secure device on PC board.
over operating free-air temperature range (unless otherwise noted)
UNIT
Supply voltage, VDD
6 V
Input voltage, VI
-0.3 V to VDD 0.3 V
Continuous total power dissipation
Internally limited (see Dissipation Rating
Table)
Operating free-air temperature range, TA
-40
°C to 85°C
Operating junction temperature range, TJ
-40
°C to 150°C
Storage temperature range, Tstg
-65
°C to 85°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
(1)
Stresses beyond those listed under "absolute maximum ratings” may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
3
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