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| TFA9810_08 Datasheet, PDF (4/29 Pages) NXP Semiconductors – Stereo full-bridge audio amplifier 2 x 12 W | |||
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NXP Semiconductors
7. Pinning information
7.1 Pinning
TFA9810
Audio ampliï¬er 2 x 12 W
VSSD(HW) 1
IN1P 2
IN1N 3
VDDA1 4
VSSA1 5
SO/OL 6
ENABLE 7
CDELAY 8
n.c. 9
DIAG 10
TEST 11
VSSA2 12
VDDA2 13
IN2N 14
IN2P 15
VSSD(HW) 16
Fig 2. Pin conï¬guration
TFA9810
SO32
32 VSSD(HW)
31 STAB1
30 VSSP1
29 BOOT1N
28 OUT1N
27 BOOT1P
26 OUT1P
25 VDDP1
24 VDDP2
23 OUT2P
22 BOOT2P
21 OUT2N
20 BOOT2N
19 VSSP2
18 STAB2
17 VSSD(HW)
010aaa017
The SO32 package has four corner leads. These leads (1, 16, 17, and 32) are internally
connected to the die pad and must be connected to VSSA in the application. Together with
the applied copper area on the Printed Circuit Board (PCB) these leads determine the
ambient temperature, which affects the thermal resistance of the junction.
7.2 Pin description
Table 3.
Symbol
VSSD(HW)
IN1P
IN1N
VDDA1
VSSA1
SO/OL
ENABLE
CDELAY
n.c.
DIAG
TEST
VSSA2
VDDA2
Pin description
Pin
1, 16, 17,
32
2
3
4
5
6
7
8
9
10
11
12
13
Description
Negative digital supply voltage and handle wafer
Positive input comparator channel 1
Negative input comparator channel 1
Positive analog supply voltage channel 1
Negative analog supply voltage channel 1
SO/OL input enables self-oscillating / open-loop conï¬guration
Enable input to switch between SLEEP and OPERATING
CDELAY input determines the switch on/off timing
Not connected
Diagnostic output; open drain
Test signal input; for testing purposes only
Negative analog supply voltage channel 2
Positive analog supply voltage channel 2
TFA9810_3
Product data sheet
Rev. 03 â 20 February 2008
© NXP B.V. 2008. All rights reserved.
4 of 29
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