Texas Instruments TPA731 MSOP, User Manual

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Reference
2-6 Operation
2.4.2 TPA731 MSOP EVM Schematic Diagram
Figure 2–4. TPA731 MSOP EVM Schematic Diagram
C1
1
µ
F
C3
1
µ
F
R1
20 k
Ω
Audio Input–
Shutdown
S1
C6
5 pF
OUT–
GND
OUT+
R5
39 k
Ω
R4
20 k
Ω
NO
C4
10
µ
F
C5
1
µ
F
Shutdown
Bypass
In+
In –
V
O –
GND
V
DD
V
O +
8
7
6
5
1
2
3
4
GND
VDD
2.5 V to 5.5 V
+
C2
1
µ
F
GND
R3
20 k
Ω
R2
39 k
Ω
2.4.3 TPA731 MSOP Audio Power Amplifier Evaluation Module Parts List
Table 2–3. TPA731 MSOP EVM Parts List
Reference Description Size
EVM
Qty.
Manufacturer/
Part Number
Vendor
Number
C4 Capacitor, 10
µ
F, 6.3 V A 1 Panasonic
ECS-TOJY106R Digi-Key
PCS1106CT-ND
C1, C2,
C3, C5 Capacitor, 1
µ
F, 80%/–20%,
nonpolarized
0603 3 Murata
GRM39-Y5V105Z10PT Newark
C6 Capacitor, pad only 0603 0
R1, R3, R4 Resistor, 20 k
Ω
, 1/16 W, 5% 0603 2 Panasonic
ERJ-3GSYJ203 Digi-Key
P20KGCT-ND
R2, R5 Resistor, 39 k
Ω
, 1/16 W, 5% 0603 1 Panasonic
ERJ-3GSYJ393 Digi-Key
P39KGCT-ND
S1 Switch, momentary 1 Panasonic
P8048SCT-ND Digi-Key
P8048SCT-ND
Terminal Post Headers 9 Sullins
PTC36SABN Digi-Key
S1022-36-ND
U1 IC, TPA731DGN
†
, audio
amplifier, 700 mW, mono
MSOP-8 1 TI
TPA731DGN
PCB1 PCB, TPA731 MSOP EVM 1
† Due to the very small size of the MSOP IC package, the standard part number TPA731 is replaced with the code TIAJC.
Note: All items are SMD except as noted.