TFA9815 NXP Semiconductors, TFA9815 Datasheet - Page 3
TFA9815
Manufacturer Part Number
TFA9815
Description
The TFA9815 is a 2-channel power comparator for high-efficiency class D audio amplifiersystems
Manufacturer
NXP Semiconductors
Datasheet
1.TFA9815.pdf
(26 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TFA9815T
Manufacturer:
NXP
Quantity:
2 500
Part Number:
TFA9815T
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
TFA9815T/N1.118
Manufacturer:
M/A-COM
Quantity:
21
NXP Semiconductors
6. Block diagram
TFA9815_1
Preliminary data sheet
Fig 1.
CDELAY
ENABLE
SO/OL
V
V
V
V
TEST
TFA9815 block diagram
DIAG
IN1P
IN1N
DDA2
IN2N
DDA1
SSA1
IN2P
SSA2
4
2
3
5
10
8
6
11
7
13
15
14
12
TFA9815
PROTECTION
REFERENCE
MANAGER
OVP
UVP
OCP
OTP
ODP
WP
COMPARATOR 1
COMPARATOR 2
STAB1
STAB2
Rev. 01 — 16 December 2008
CONTROL
CONTROL
CONTROL
CONTROL
LOGIC
LOGIC
LOGIC
LOGIC
HEATSPREADER
1
16
17
V
SSD(HW)
DRIVER
DRIVER
DRIVER
DRIVER
DRIVER
DRIVER
DRIVER
DRIVER
32
STAB1
STAB2
HIGH
HIGH
HIGH
LOW
LOW
HIGH
LOW
LOW
V
V
n.c.
V
V
DDP2
SSP2
DDP1
SSP1
9
Audio amplifier 2 x 17 W
27
25
26
30
29
28
31
22
24
23
19
20
21
18
© NXP B.V. 2008. All rights reserved.
TFA9815
OUT1P
V
BOOT1N
OUT1N
STAB1
BOOT2P
V
OUT2P
V
BOOT2N
OUT2N
BOOT1P
V
STAB2
SSP1
DDP2
SSP2
DDP1
010aaa211
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