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TPA2000D1-Q1 Datasheet(PDF) 2 Page - Texas Instruments

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Part No. TPA2000D1-Q1
Description  2-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

TPA2000D1-Q1 Datasheet(HTML) 2 Page - Texas Instruments

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TPA2000D1Q1
2W FILTERLESS MONO CLASSD AUDIO POWER AMPLIFIER
SGLS137B? SEPTEMBER 2002 ? REVISED SEPTEMBER 2004
2
POST OFFICE BOX 655303
? DALLAS, TEXAS 75265
functional block diagram
Gate
Drive
_
+
Gate
Drive
_
+
_
+
_
+
Gain
Adjust
Gain
Adjust
Start-Up
Protection
Logic
OC
Detect
Thermal
VDD ok
Ramp
Generator
Biases
and
References
Gain
2
AGND
VDD
VDD
PVDD
INN
OUTN
PGND
PVDD
OUTP
PGND
INP
SHUTDOWN
GAIN1
GAIN0
COSC
ROSC
BYPASS
_
+
_
+
Deglitch
Logic
Deglitch
Logic
Terminal Functions
TERMINAL
NAME
NO.
I/O
DESCRIPTION
NAME
GQC
PW
I/O
DESCRIPTION
AGND
A3 ? A5,
B2 ? B6
C2 ? C6
D2 ? D4
15
I
Analog ground
BYPASS
A6
16
I
Connect capacitor to ground for BYPASS voltage filtering.
COSC
B7
14
I
Connect capacitor to ground to set oscillation frequency.
GAIN0
C1
4
I
Bit 0 of gain control (TTL logic level)
GAIN1
D1
5
I
Bit 1 of gain control (TTL logic level)
INN
A1
2
I
Negative differential input
INP
A2
1
I
Positive differential input
OUTN
G7
10
O
Negative BTL output
OUTP
G1
7
O
Positive BTL output
PGND
D5, D6
E2 ? E6
F2 ? F6
G2 ? G6
8, 9
I
High-current grounds
PVDD
E1, E7,
F1, F7
6, 11
I
High-current power supplies
ROSC
C7
13
I
Connect resistor to ground to set oscillation frequency.
SHUTDOWN
B1
3
I
Places the amplifier in shutdown mode if a TTL logic low is placed on this terminal, and normal
operation if a TTL logic high is placed on this terminal.
VDD
D7
12
I
Analog power supply


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