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BH7826FVM
Communication ICs
Audio driver IC for mobile phones
BH7826FVM
BH7826FVM is an audio driver IC developed for mobile * audio products such as mobile phones. Low voltage operation, and low power consumption can be realized. Differential input is available for this IC.
!Applications Mobile phones, PDA, Notebook PC, DSC, DVC
!External dimensions (Units : mm)
2.90.1
0.9Max. 0.750.05 0.080.05
!Features 1) BTL monaural power amplifier. 2) High power 500mW / 8 / BTL output. 3) Wide supply voltage range. 4) For active / shutdown mode. 5) Built-in anti-pop circuit / thermal shutdown circuit
8
5
4.00.2
2.80.1
1
4
0.475 0.22-0.04 0.65 0.08 S
+0.05
0.290.15 0.60.2
+0.05 0.145-0.03
0.08 M
MSOP8
!Absolute Maximum Ratings (Ta=25C)
Parameter Applied voltage Power dissipation Operating temperature range Storage temperature range Symbol VCC MAX. Pd Topr Tstg Limits 6.0 470 -30~+85 -55~+125
1 2
Unit V mW C C
1 Derating 4.7mW/C for operation above Ta=25C. 70mmx70mmx1.6mm glass epoxy mounting. 2 TOPR=7085C is basic operation range, characteristic and rated output are not guaranteed.In this range if the input signal is exceeded, TSD (Thermal Shutdown) may operate.
!Recommended Operating Conditions (Ta=25C)
Parameter Operating supply voltage range Symbol VCCS Min. 2.6 Typ. 3.6 Max. 5.5 Unit V
1/2
BH7826FVM
Communication ICs
!Electrical characteristics (Unless otherwise noted,Ta=27C, VCC=-3.6V, f=1kHz, RL=8)
Parameter Circuit current 1 Circuit current 2 Voltage gain Maximum output voltage 1 Distortion rate Output residual noise Suspend attenuation value BIAS setting voltage Suspend holding voltage / H Suspend holding voltage / L 1 : B.W.=0.4~30kHz 2 : DIN AUDIO Symbol ICC1 Min. Typ. Max. Unit Conditions No signal,Active MODE No signal,Suspend MODE VIN1=VIN2=-20dBV,Rf/Rs=100k/22k, SE 1 DSTN=1% BTL 1 VIN1=VIN2=-20dBV SE 1 No signal,SE,Active MODE 2 VIN1=VIN2=-20dBV,BTL 2 3pin DC voltage Active MODE,Hold voltage Suspend MODE,Hold voltage
- - +9.5 +4.0 - - - 1.6 2.0 0
3.5 0 +11.5 +6.0 0.2 -94 -107 1.8 - -
7 2 +13.5 - 1.0 -80 -80 2.0 Vcc 0.5
mA A dB dBV % dBV dBV V V V
ICC2
GV1 VOM1 DSTN VNO GS VBIAS VSH VSL
!Application Circuit
Cf
R2
0.1
1
SP_IN2
R1
- +
8
SUSPEND 1
2
A/S
7
1
3
SPEAKER 8/12
BIAS +
6
R1
4
SP_IN1
0.1
BH7826FVM
R2
Cf
-
5
2/2
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document use silicon as a basic material. Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.0

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