TA8258HQ Toshiba, TA8258HQ Datasheet

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TA8258HQ

Manufacturer Part Number
TA8258HQ
Description
Manufacturer
Toshiba
Datasheet

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
Quantity:
8 000
Part Number:
TA8258HQ
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
Dual Audio Power Amplifier
applications.
Features
The TA8258HQ is plated with lead-free lead finishes, but the silicon pellet is attached to a heatsink with
lead-containing solder paste.
About solderability, following conditions were confirmed
• Solderability
The TA8258HQ is dual audio power amplifier for consumer
This IC provides an output power of 20 watts per channel
(at V
It is suitable for power amplifier of music center.
High output power: P
Low noise: V
Very few external parts.
Built in audio muting circuit.
Built in thermal shut down protector circuit.
Built in output shifted to GND protection circuit. (AC short)
Available for using same PCB layout with: TA8200AH, TA8211AH, TA8216H
Operation supply voltage range (Ta = 25°C)
: V
(1) Use of Sn-63Pb solder Bath
(2) Use of Sn-3.0Ag-0.5Cu solder Bath
CC (opr)
(V
(V
CC
· solder bath temperature = 230°C
· dipping time = 5seconds
· the number of times = once
· use of R-type flux
· solder bath temperature = 245°C
· dipping time = 5seconds
· the number of times = once
· use of R-type flux
CC
CC
= 37 V, f = 1kHz, THD = 10%, R
= 37 V, R
= 37 V, R
= 15~42 V
no
= 0.14 mVrms (Typ.)
L
L
= 8 Ω, f = 1 kHz, THD = 10%)
= 8 Ω, G
out
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
= 20 W/channel (Typ.)
V
= 34dB, R
TA8258HQ
L
g
= 8 Ω).
= 10 kΩ, BW = 20 Hz~20 kHz)
1
Weight: 4.04 g (typ.)
TA8258HQ
2004-04-06

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TA8258HQ Summary of contents

Page 1

... Operation supply voltage range (Ta = 25° 15~ (opr) The TA8258HQ is plated with lead-free lead finishes, but the silicon pellet is attached to a heatsink with lead-containing solder paste. About solderability, following conditions were confirmed • Solderability (1) Use of Sn-63Pb solder Bath · solder bath temperature = 230°C · ...

Page 2

... PW-GND 10 20 kΩ AMP2 12 OUT2 Mute. TC Mute Input Ω 3 (dB) Input R 3 (min) is approximately 28 (dB regular printed circuit board. However TA8258HQ Output 4/2 7/ 5/1 400 Ω 20 kΩ Figure 1 Output 4/2 7/ 5/1 400 Ω ...

Page 3

... And the base voltage Dummy amp kΩ The Q reference 10 voltage is equal. 2/4 IN Figure 3 3 TA8258HQ will be down. 3 Main amp kΩ 7/ OUT Q 11 1/5 NF 2004-04-06 ...

Page 4

... Heat-sink Be aware of the heat-sink capacity. Use a heat-sink that has high heat conduction. Note 2: Please connected a Heat-sink to GND potential, otherwise THD may deteriorate. 4 TA8258HQ 2004-04-06 ...

Page 5

... Standard PCB OUT2 12 1 TA8200AH/11AH/16H/58H OUT1 V CC (bottom view) 5 TA8258HQ IN-2 GND IN-1 TOSHIBA 2004-04-06 ...

Page 6

... Vrms (0dBm) V out ⎯ Mute-on Mute on ⎯ Mute-off Mute off ⎯ = 0.775 Vrms → Mute ATT V out = 25° GND 2.8 2.5 12.5 19.4 6 TA8258HQ Min Typ. Max Unit ⎯ 75 130 mA ⎯ ⎯ ⎯ 15 ⎯ 0.05 0.2 % 32.5 34.0 35.5 dB ⎯ ⎯ 30 kΩ ...

Page 7

... The capacitor for reducing POP noise at mute ON Ripple Filter IN1 OUT1 AMP1 7 400 Ω 20 kΩ Pre-GND PW-GND 10 400 Ω 20 kΩ AMP2 12 OUT2 IN2 Mute Mute TA8258HQ V CC 1000 µ 1000 µF ∼ − 2 2004-04-06 ...

Page 8

... Frequency f (Hz) R.R. – Rg −30 −40 −50 OUT2 −60 OUT1 −70 −80 100k 30 100 0.3 Signal source resistance TA8258HQ 100 (W) OUT – Ω V out = 0.775 Vrms 10k 30k 100k f ripple = 100 Ω ...

Page 9

... Output power Pout (W) 9 TA8258HQ kHz Ω out = 0.775Vrms OUT2 → OUT1 OUT1 → OUT2 3k 10k 30k 100k (Ω) – – P OUT kHz Ω ...

Page 10

... THD – Ω kHz Pout = 2 W 0.2 0.1 0.05 0.03 0.01 4 −40 − Ambient temperature Ta (°C) I CCQ 100 −40 −20 100 0 20 Ambient temperature Ta (°C) 10 TA8258HQ OUT2 OUT1 100 – Ω 100 2004-04-06 ...

Page 11

... Package Dimensions Weight: 4.04 g (typ.) 11 TA8258HQ 2004-04-06 ...

Page 12

... The product is often the final stage (the external output stage circuit. Substandard performance or malfunction of the destination device to which the circuit supplies output may cause damage to the circuit or to the product. 12 TA8258HQ 030619EBF 2004-04-06 ...

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