Datasheet

TPA2001D1
1-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER
SLOS338D – SEPTEMBER 2000 – REVISED DECEMBER 2002
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 V
DD
ok
Ramp
Generator
Biases
and
References
Gain
2
AGNDV
DD
V
DD
PV
DD
INN
OUTN
PGND
PV
DD
OUTP
PGND
INP
SHUTDOWN
GAIN1
GAIN0
COSC
ROSC
BYPASS
SD
_
+
_
+
Deglitch
Logic
Deglitch
Logic
Terminal Functions
TERMINAL
NAME
NO.
I/O DESCRIPTION
NAME
GQC PW
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
PV
DD
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.
V
DD
D7 12 I Analog power supply