TA8225HQ Toshiba, TA8225HQ Datasheet - Page 2

• Manufacturer Part Number: TA8225HQ
• Manufacturer: Toshiba

Specifications of TA8225HQ

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 45x1@2OhmW
• Audio Amplifier Function: Speaker
• Single Supply Voltage (typ): 12/15V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Power Dissipation: 50W
• Rail/rail I/o Type: No
• Single Supply Voltage (min): 9V
• Single Supply Voltage (max): 18V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -30C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 17
• Package Type: HZIP
• No. Of Channels: 1
• Package: HZIP 17-P-2.00
• Recommended Vcc (v): 13.2
• Rl=2 Ohm: 40W x 1
• Rl=4 Ohm: 23W x 1
• Rl=8 Ohm: -
• Features/built-in Functions: Standby switch
• Operating Voltage (v): 9 to 18
• Lead Free Status / Rohs Status: Compliant

Block Diagram
Caution For Use And Method Of Application
1. Voltage gain adjustment
TA8225HQ/LQ (G
Voltage gain G
Gain fluctuation by temperature can be made smaller than they are housed in IC.
Voltage gain G
If R
If R
If R
If voltage gain is made small excessively, oscillation may be taken place and therefore, this IC shall be used at
G
V
(1) When output short is released, output DC voltage is not restored.
(2) Fluctuation of output DC voltage by current I in (Fig.1).
= 34dB or above.
0
0
f1
= 20kΩ≫R
= 20kΩ > R
and R
f2
are made small, the following problems may be caused:
V
V
f1
of this IC is decided by the external feedback resistors R
is decided by the following expression:
f1
V
> R
> R
= 40dB)
f2
f2
G
G
V
V
≒
≒
20
20
ℓ
ℓ
og
og
R
(R
f1
0
R
+
//
f2
R
R
R
f2
f1
f2
)
+
+
6
R
(dB)
f2
+
2
6
(dB)
f1
and R
f2
.
TA8225HQ/LQ
2006-04-28