TDA7278 STMicroelectronics, TDA7278 Datasheet - Page 5

• Manufacturer Part Number: TDA7278
• Description: Audio DSPs CD Actuator Driver
• Manufacturer: STMicroelectronics

Specifications of TDA7278

• Mounting Style: SMD/SMT
• Package / Case: PQFP-44
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 1: Block Diagram.
VREF (2)
ENABLE
ST CAP
WD INP
SSCAP
RESET
VHIGH
BLOW
VCPU
CRES
BEMP
VCON
OUT1
OUT2
OUT
VBG
INP
IRC
22
38
11
10
13
14
15
16
17
12
18
24
20
19
21
41
40
39
VCPU
OSCILL
SYNC
VHIGH
REFERENCE
DRIV
23
THERMAL
CONTROL
and
+
+
-
-
VBAT
Vbg/2
Vbg/2
4
Vbg
V bg
VBAT
GND
Vbg
30
VBAT
6
-
+
Vbg/2
GND
28
37
Vbg
35
42
43
36
+
+
+
+
-
-
-
-
ER
ER
ER
ER
VHIGH
VHIGH
VHIGH
VHIGH
+
+
+
+
-
-
-
-
DRIV
DRIV
DRIV
DRIV
S
R
S
R
S
R
S
R
D94AU078B
Q
Q
Q
Q
VHIGH
VHIGH
VHIGH
VHIGH
DRIV
DRIV
DRIV
DRIV
VHIGH
VHIGH
VHIGH
VHIGH
DRIV
DRIV
DRIV
DRIV
VBAT
VBAT
VBAT
VBAT
29
26
27
25
44
31
33
32
34
5
8
7
9
3
1
2
FL IN 1
H IN 1
H OUT 1A
H OUT 1B
FL IN 3
H IN 3
H OUT 3A
H OUT 3B
FL IN 2
H IN 2
H OUT 2A
H OUT 2B
FL IN 4
H IN 4
H OUT 4A
H OUT 4B
TDA7278
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