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hot BD3884FS-E2


For Reference Only

Part Number BD3884FS-E2
Manufacturer Rohm Semiconductor
Datasheet BD3884FS-E2 Datasheet
Package 24-SOP (0.213", 5.40mm Width)
In Stock 1561 piece(s)
Unit Price $ 4.102 *
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BD3884FS-E2 Specifications

ManufacturerRohm Semiconductor
CategoryIntegrated Circuits (ICs) - Audio Special Purpose
Datasheet BD3884FS-E2 Datasheet
Package24-SOP (0.213", 5.40mm Width)
FunctionAudio Signal Processor
ApplicationsConsumer Audio
Number of Channels2
Voltage - Supply7 V ~ 9 V
Operating Temperature-40°C ~ 85°C (TA)
SpecificationsFront End
Package / Case24-SOP (0.213", 5.40mm Width)
Supplier Device Package24-SSOP

BD3884FS-E2 Datasheet

Page 1

Page 2

1/4 REV. C Structure Silicone monolithic integrated circuit Product name Audio sound processor for TV Model Name BD3884FS ●Features 1. Built-in AGC circuit adjusting the sound difference among input sources 2. I2C BUS control with the control voltage of 3.3V-5.0V 3. Use the Bi-CMOS process ●Absolute Maximum Ratings (Ta=25°C) Parameter Symbol Limits Unit Applied Voltage VCC 10.0 V Input Voltage VIN VCC+0.3~GND-0.3 V Power Dissipation Pd 1000 *1 mW Operating Temperature Topr -40~+85 *2 °C Storage Temperature Tastg -55~+150 °C *1 At Ta=25°C or higher, this value is decreaced to 8.0mW/°C. When Rohm standard board is mounted. Thermal resistance ja = 125 (°C/W). Rohm standard board: size: 70×70×1.6 (mm3) material: FR4 glass-epoxy substrate (copper foil area: not more than 3%). *2 As long as voltage stays within operating voltage range, certain circuit operation is guaranteed in the operating temperature range. Allowable loss conditions are related to temperature, to which care must be taken. In addition though the standard value of its electrical characteristics cannot be guaranteed under the conditions other than those specified, original functions are maintained. ●Operating Voltage Range Parameter Symbol Min. Typ. Max. Unit Power supply voltage *3 VCC 7.0 9.0 9.5 V Basic operation shall be available at Ta=25°C. *3 As long as temperature components must be set in accordance with the operating voltage and temperature ranges before using this IC. In addition, though the standard value of its electrical characteristics cannot be guaranteed under the conditions other than those specified, original functions are maintained.

Page 3

2/4 REV. C ●Function Function Specifications AGC 4 step level variable Front volume 0dB to –87dB (1dB step), -∞dB Surround Stereo Surround Bass 14dB (2dB step) Treble 14dB (2dB step) Rear volume 0dB ~-20dB (2dB step), -25dB, -30dB, -45dB, -60dB, MUTE (With the independent control) ●Electrical characteristics Unless specified: Ta=25C, VCC=9V, f=1kHz, VIN=1Vrms, Rg=600Ω, RL=10kΩ, Front Volume 0dB, Rear Volume =0dB, Bass=0dB, Treble=0dB, AGC=OFF, SURROUND=OFF. Parameter Symbol Limits Unit Conditions Min. Typ. Max. Current upon no signal IQ - 8 20 mA Vin=0Vrms Maximum input voltage VIM1 2.6 2.8 - Vrms Front Volume = -6dB THD(Vout)=1% BPF=400-30KHz Maximum output voltage VOM1 2.2 2.5 - Vrms THD=1% BPF=400-30KHz Voltage gain GV1 -2 0 2 dB GV=20log(Vout/Vin) Channel balance CB -1.5 0 1.5 dB CB = GV1-GV2 Total harmonic distortion THD1 - 0.008 0.1 % Vout=500mVrms BPF=400-30KHz Output noise voltage VNO1 - 6 18 Vrms BPF = IHF-A, Rg=0Ω Residual noise voltage VMNO1 - 1.5 10 Vrms Front Volume = -87dB Rear Volume = -∞dB BPF = IHF-A, Rg=0Ω Cross talk 1ch→2ch CT12 70 80 - dB CT = 20log(Vin/Vout) BPF = IHF-A

Page 4

3/4 REV. C ●Dimensional outline drawing SSOP-A24 (Unit : mm) ●Block diagram BD3884FS LOT No. 14 13 1516171819202122 23 24 TREBLE CH1 LINE2LINE1OUT2OUT1 TNF2 BASS CH2 BASS CH1 BOUT2BNF2 BOUT1 BNF1 TNF1 VIN2 VIN1 SEL1 SEL2 LS CAP1 AGC TREBLE CH2 IIC BUS Logic SCL SDA VCC CAP2 GND 0dB0dB Treble -14~14dB 2dB step Bass -14~14dB 2dB step SURROUND (Fixed Effect Amount) Rear Vol 0~-20dB 2dB step -25, -30, -45, -60, -∞dB With soft switch (4 Level variable) Front Vol 0~-87dB 1dB step IN1 11k IN2 11k 89k 89k VCC/2 VCC FIL 11 12 109876543 2 1 50k 50k

Page 5

4/4 REV. C ●Cautions on use (1) Numbers and data in entries are representative design values and are not guaranteed values of the items. (2) Although we are confident in recommending the sample application circuits, carefully check their characteristics further when using them. When modifying externally attached component constants before use, determine them so that they have sufficient margins by taking into account variations in externally attached components and the Rohm LSI, not only for static characteristics but also including transient characteristics. (3) Absolute maximum ratings If applied voltage, operating temperature range, or other absolute maximum ratings are exceeded, the LSI may be damaged. Do not apply voltages or temperatures that exceed the absolute maximum ratings. If you think of a case in which absolute maximum ratings are exceeded, enforce fuses or other physical safety measures and investigate how not to apply the conditions under which absolute maximum ratings are exceeded to the LSI. (4) GND potential Make the GND pin voltage such that it is the lowest voltage even when operating below it. Actually confirm that the voltage of each pin does not become a lower voltage than the GND pin, including transient phenomena. (5) Thermal design Perform thermal design in which there are adequate margins by taking into account the allowable power dissipation in actual states of use. (6) Shorts between pins and misinstallation When mounting the LSI on a board, pay adequate attention to orientation and placement discrepancies of the LSI. If it is misinstalled and the power is turned on, the LSI may be damaged. It also may be damaged if it is shorted by a foreign substance coming between pins of the LSI or between a pin and a power supply or a pin and a GND. (7) Operation in strong magnetic fields Adequately evaluate use in a strong magnetic field, since there is a possibility of malfunction.

BD3884FS-E2 Reviews

Average User Rating
5 / 5 (98)
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January 4, 2020

Fantastic quality products with fair and prompt shipping. Would save much time crossing all the features. Thank you for all your effort.


December 25, 2019

Works great with an older drive in a newer computer.have not encountered any problems, Glad somebody is making these for all the older equipment.


December 17, 2019

Outstanding supplier! Heisener is on a very short list of suppliers I can recommend. From stock, pricing, ease of ordering and great service, they get it all.


October 5, 2019

These did exactly what I needed them to do. Electricity only flows in one direction. Perfect.


September 4, 2019

Very good, fast shipping, super reliable seller.


July 25, 2019

Competitively priced set of diodes, tested as described. Quality is about what you would expect for no- or off-brand.


June 30, 2019

Excellent shopping cart process, various of products for selection and order fulfillment a good service quality. I rely on them heavily.


April 27, 2019

Fantastic transaction, very fast delivery. Highly recommended. Thank you.

Aly***** Reed

April 4, 2019

Worked very well! I would highly recommend buying.

Emm***** Muni

February 17, 2019

Didn’t need so many but it was cheap. I did have to solder extra wire on each end to make fit better but exactly you need of your looking for this particular mod.

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