TB2922HQ Toshiba, TB2922HQ Datasheet

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TB2922HQ

Manufacturer Part Number
TB2922HQ
Description
Manufacturer
Toshiba
Datasheet

Specifications of TB2922HQ

No. Of Channels
2
Package
HZIP12-P-1.78B
Recommended Vcc (v)
18
Rl=2 Ohm
-
Rl=4 Ohm
-
Rl=8 Ohm
72W x 2
Features/built-in Functions
2 BTL channels, muting function, thermal shutdown, output short protection, BiCD MOS process
Operating Voltage (v)
9 to 26 (8ohm) / 9 to 18 (4ohm)

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TB2922HQ
Manufacturer:
CITIZEN
Quantity:
3 000
Part Number:
TB2922HQ(O)
Manufacturer:
TOSHIBA
Quantity:
17 500
Dual Audio Power Amplifier
applications.
output stage.
protectors.
Features
:
:
:
:
TENTATIVE
The TB2922HQ is 2ch BTL audio amplifier for TV or home audio
It includes and the pure complementary P-ch and N-ch DMOS
The package is CPP (Compact Power Package).
It is built-in standby function, muting function various kinds of
High power output
Low distortion ratio : THD=0.02% (typ)
Low noise
Low outside parts
Built-in standby switch function (pin 1)
Built-in muting function (pin 6)
Built-in various protection circuits:
Thermal shut down, overvoltage, out to GND, out to V
Operating supply voltage
: V
: V
(V
(V
(V
P
P
P
P
(V
(V
CC
CC
OUT
OUT
OUT
OUT
CC
CC
CC
CC
CC
(opr) = 9 to 26 V (R
(opr) = 9 to 18 V (R
MAX (1)= 72W (typ)
= 18V, R
= 16V, R
= 26V, R
(1)= 23 W (typ)
(2)= 39W (typ)
(3)= 46W (typ)
TOSHIBA Bi-CMOS Digital Integrated Circuit Silicon Monolithic
= 26V, R
= 18V, R
: V
no
L
L
L
= 0.16 μVrms (typ)
L
L
= 8 Ω, f = 1 kHz, THD = 10%)
= 4 Ω, f = 1 kHz, THD = 10%)
= 8 Ω, f = 1 kHz, THD = 10%)
= 8 Ω, f = 1 kHz, Max Power)
= 8 Ω, R
L
L
TB2922HQ
g
= 8 Ω)
= 4 Ω)
= 0 Ω, BW = 20 Hz~20 kHz)
1
CC
, out to out short speaker burned
Weight: 4.04 g (typ.)
TB2922HQ
2005-12-20

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TB2922HQ Summary of contents

Page 1

... TOSHIBA Bi-CMOS Digital Integrated Circuit Silicon Monolithic TENTATIVE Dual Audio Power Amplifier The TB2922HQ is 2ch BTL audio amplifier for TV or home audio applications. It includes and the pure complementary P-ch and N-ch DMOS output stage. The package is CPP (Compact Power Package built-in standby function, muting function various kinds of protectors ...

Page 2

... RIP 5 Note1: Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purpose CC2 OUT1 (+) 8 OUT1 (−) 9 OUT2 (+) 12 OUT2 (−) 11 PW-GND STBY MUTE TB2922HQ PLAY MUTE : PRE-GND : PW-GND 2005-12-20 ...

Page 3

... Amp. 2A Amp. 1 Input Amp. 2B Figure 1 Block Diagram = 8dB : 20dB V2 = 6dB V (BTL 34dB V (BTL) (pin 1) ON OFF 0.5 2 Figure 2 With pin 1 set to High, 3 TB2922HQ V CC Power 10 kΩ 1 ≈ BIAS CUTTING CIRCUIT Power is turned ON 2005-12-20 ...

Page 4

... Battery V CC – Conventional Method – From microcomputer Battery V Stand-By CC – Standby Switch Method – Figure 3 is too small value kΩ Mute ON/OFF 4 control 4 TB2922HQ Relay Battery From microcomputer Battery determined on the basic pin 6 should be 1 2005-12-20 ...

Page 5

... Powering ON/OFF takes Powering ON/OFF is faster longer Reduces noise and provides sufficient oscillation margin High pop noise. Duration until Low pop noise. Duration until muting function is turned muting function is turned ON/OFF is short ON/OFF is long Power supply ripple filtering 5 TB2922HQ value 2005-12-20 ...

Page 6

... POWER ⎯ POWER: OFF SB ⎯ MUTE: OFF M ⎯ kΩ MUTE: ON MUTE: ON ⎯ ATT Vrms→Mute: OFF V OUT 6 TB2922HQ Min Typ. Max ⎯ 80 150 21 ⎯ 23 ⎯ ⎯ 39 ⎯ ⎯ 46 ⎯ ⎯ 72 ⎯ 0.03 0 −1 ...

Page 7

... These components and circuits do not warrant to prevent the application equipment from malfunction or failure. 1000µ CC2 OUT1 (+) 8 OUT1 (−) 9 OUT2 (+) 12 OUT2 (−) 11 PW-GND STBY MUTE 10µF 47 kΩ kΩ 1µF 7 TB2922HQ 0.1µ PLAY MUTE : PRE-GND : PW-GND 2005-12-20 ...

Page 8

... Package Dimensions Weight: 4.04 g (typ.) 8 TB2922HQ 2005-12-20 ...

Page 9

... 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. 9 TB2922HQ 030619EBF 2005-12-20 ...

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