TA8258HQ Toshiba, TA8258HQ Datasheet - Page 2
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TA8258HQ
Manufacturer Part Number
TA8258HQ
Description
Manufacturer
Toshiba
Datasheet
1.TA8258HQ.pdf
(12 pages)
Specifications of TA8258HQ
No. Of Channels
2
Package
HZIP 12-P-1.78
Recommended Vcc (v)
37
Rl=2 Ohm
-
Rl=4 Ohm
-
Rl=8 Ohm
20W x 2
Features/built-in Functions
2 channels, muting function, output shorting (AC)/thermal shutdown protection circuit.
Operating Voltage (v)
15 to 42
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TA8258HQ
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
Block Diagram
Application Information
1. Voltage gain
The closed loop voltage gain is determined by R
if the value of R
R
2
Toshiba has confirmed that the G
+ R
G
G
When R
G
is given.
3
V
V
V
to ensure proper startup behavior under actual usage conditions.
IN1
IN2
=
∼ − 30 (dB)
=
= 34 (dB)
=
20
20l
20
l
og
3
l
og
2
og
= 220 Ω
R
+ R
1
20
R
R
+
2
1
3
R2
R
k
+
is larger, the feedback voltage increases and oscillation will start. Determine the value of
400
Ω
2
R
(dB)
+
4
5
3
1
2 IN2
+
2
400
R
Ω
IN1
+
Pre-GND
400 Ω
400 Ω
3
R
3
Ω
Ripple Filter
Mute. TC
(dB)
V
8
6
(min) is approximately 28 (dB) on a regular printed circuit board. However,
AMP1
AMP2
20 kΩ
20 kΩ
1
Mute
, R
V
2
11
9
CC
PW-GND
2
.
OUT1
OUT2
Input
Input
10
12
7
R
R
C
C
R
3
4/2
5/1
4/2
5/1
R
R
L
L
400 Ω
400 Ω
Figure 1
Figure 2
R
R
2
2
V
20 kΩ
20 kΩ
CC
R
R
1
1
TA8258HQ
2004-04-06
7/12
7/12
Output
Output