tda2075a Tripath Technology Inc., tda2075a Datasheet - Page 6

• Manufacturer Part Number: tda2075a
• Description: Stereo Class-t Digital Audio Amplifier Driver Using Digital Power Processingtm
• Manufacturer: Tripath Technology Inc.

14,16,18,
19,21,23,
31,37,48
Pin Description
28, 29
9, 10
Pin
11
12
13
15
17
20
22
24
25
26
27
30
32
33
34
35
36
38
39
40
41
42
43
44
45
46
47
1
2
3
4
5
6
7
8
6
OCSP1, OCSN1
OCSN2, OCSP2
VNNSENSE
VPPSENSE
GATEOFF
FBKGND1
FBKOUT1
FBKGND2
FBKOUT2
Function
BIASCAP
OAOUT2
BBMSET
OVRLDB
OAOUT1
FAULT
DCMP
AGND
PGND
PGND
OCD2
OCD1
AGND
AGND
MUTE
INV2
INV1
HO1
HO2
REF
SUB
LO2
V10
L01
NC
V5
V5
V5
V5
Output of inverting-input stage (Channel 2)
Bandgap reference times two (typically 2.5VDC). Used to set the common
Analog Ground
Negative switching feedback (Channel 1)
Negative switching feedback (Channel 2)
Positive supply voltage sense input. This pin is used for both over and under
Analog Ground
Analog Ground
Negative input of inverting op-amp with 2.5VDC of bias (Channel 2)
mode voltage for the input op amps. This pin is not capable of driving external
circuitry.
Internal mode selection. This pin must be connected to 0V or 5V for proper
device operation. Typically, this pin is connected to V5.
5 Volt power supply input.
Break-before-make timing control to prevent shoot-through in the output
MOSFETs. Please refer to the Application Information for additional
information.
10V under-voltage fault pin (requires pull-up resistor)
Over-current detect pins (Channel 1)
Ground Kelvin feedback (Channel 1)
Power Ground
High side gate drive output (Channel 1)
Low side gate drive output (Channel 1)
Low side gate drive output (Channel 2)
High side gate drive output (Channel 2)
Power Ground
10 Volt power supply input. Used for gate drive circuitry.
Ground Kelvin feedback (Channel 2)
Over-current detect pins (Channel 2)
A logic high output indicates an under-voltage (5V or 10V), over-current or
over-temperature condition (requires pull-down resistor).
5 Volt power supply input.
Over-Current Detect pin (Channel 2). This pin must be connected to AGND for
proper device operation.
Internal bandgap reference voltage; approximately 1.0 VDC.
Over-Current Detect pin (Channel 1). This pin must be connected to AGND
for proper device operation.
Substrate (connect to AGND)
Negative supply voltage sense input. This pin is used for both over and under
voltage sensing for the VNN supply.
A logic low output indicates the input signal has overloaded the amplifier.
voltage sensing for the VPP supply.
5 Volt power supply input.
5 Volt power supply input.
Output of inverting-input stage (Channel 1)
Negative input of inverting op-amp with 2.5VDC of bias (Channel 1)
When set to logic high, both channels are in idle mode. When low (grounded),
both channels are fully operational (connect to FAULT pin).
Not Connected internally. These pins may be grounded or left floating on the
PCB layout.
T r i p a t h T e c h n o l o g y , I n c . - T e c h n i c a l I n f o r m a t i o n
Description
T D A 2 0 7 5 A – R e v . 0 . 9 / K L i / 1 0 . 0 5