Precautions
2.1 Precautions
Power Supply Input Polarity and Maximum Voltage
Always ensure that the polarity and voltage of the external power connected to VCC power input connector J1, J2, and/or VDD power input connector J6 are correct. Overvoltage or
Inserting or Removing EVM Boards
Do not insert or remove EVM boards with power
Figure 2–1. Quick Start Platform Map
1
6
Power Input
J1 VCC In + | VCC(J1) DC SOURCE | (J2) | JP2 AC/DC | JP3 Batt | |||||||||||
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D4 J2 AC/DC In |
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| D3 |
| D2 | D1 | ||||||||||
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F1
VR1
C1+
Off | On | ICC | |||||
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| JP4 |
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Pwr | S1 |
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B1
SUPPLY | POWER |
| VR2 |
U6 | DC | ||
Power | |||
F2 | |||
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| In/Out |
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R2 |
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| J6 VDD In/Out |
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J3
Right
In
LED1 VCC | R1 |
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5
Audio Power
IDD | JP5 |
LED2 VDD | J7 |
Right Out |
Audio
Input
7 8
J4 J5
Stereo Left
InIn
TEXAS INSTRUMENTS 1997
Signal Conditioning
U1
****CAUTION****
Do not insert or remove EVM boards with power applied
Evaluation Platform
SLOP097 Rev. C.1
3 2
Amps
S2 | Off |
Conditioning | On |
TP1
GND
U3
U4
U5
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| J8 + |
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| U2 |
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| Right Out |
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| – |
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| Left Out |
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| JP6 | Mode | + |
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| Mute |
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JP7 HP(U5) |
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JP8 |
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| Polarity |
| J9 |
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| Lo |
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| Hi |
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| Stereo | |
S3 HP Source | + |
| C3 |
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| J10 |
R3 |
| C2 | HP Out | |||
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| R4 |
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| R5 |
9
Speaker
Output
4
Headphone
Output
Quick Start |
