BD3816K1 - 7-Channel Audio Signal Processor | ROHM Semiconductor
N.º da peça: BD3816K1 ✗ Fim de vidaBD3816K1 Visão geral
The BD3816K1 belongs to the broader category of audio special-purpose integrated circuits. An audio signal processor is a functional block within the signal-chain hierarchy: source audio enters the processor, control logic and internal circuitry condition the signals, and the processed outputs are sent to amplifiers, speakers, or additional audio equipment. Compared with a simple passive tone-control network, an integrated processor can centralize channel selection, volume, bass, treble, and other system functions while reducing external discrete-component requirements.
Verified distributor information identifies the BD3816K1 as a 7-channel audio audio-signal processor and identifies a 2-wire bass/treble control interface. The GlobalSpec result lists a serial interface type, an operating current of 40 mA, and an operating temperature range from -20 C to +75 C. The same source also lists supply-voltage entries of 5 V and a 5 V to 7.3 V range, while Mouser identifies a 10 V to 14.6 V operating range. Because these published entries are not mutually consistent, engineers should confirm the exact electrical limits and recommended operating conditions against the applicable ROHM datasheet before committing a design.
The 80-QFP package provides the physical pin count and lead arrangement required for a complex multi-channel audio device, but the supplied search results do not expose a complete verified pinout or internal block description. Use the official or archived manufacturer datasheet for pin assignments, control maps, signal-path details, recommended application circuitry, and electrical characteristics. The device is not a power semiconductor, so a safe-operating-area chart is not applicable. Its design should be evaluated around signal integrity, grounding, supply bypassing, control-bus compatibility, channel routing, and thermal performance in the final enclosure. This page combines verified distributor listings, package information, sourcing links, and engineering caveats without inventing unavailable electrical values.
Alternativas drop-in para BD3816K1 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Nenhuma alternativa drop-in disponível para este produto.
Solicitar alternativasBD3816K1 Classificações máximas e características elétricas
| Product Type | Audio special-purpose integrated circuit |
| Função | 7-channel audio signal processor |
| Channel Configuration | 7 channels; described as 6.1-channel sound processing |
| Tensão de alimentação | 10 V to 14.6 V |
| Additional Supply Voltage Entries | 5 V and 5 V to 7.3 V |
| Operating Current | 40 mA |
| Temperatura de operação | -20 C to +75 C |
| Tipo de interface | Serial |
| Control Interface | 2-wire bass and treble control |
| Encapsulamento | 80-QFP (20 mm x 14 mm) |
| Package Family | QFP family, surface mount |
| Tipo de montagem | Surface mount |
| Manufacturer | ROHM Semiconductor |
Guia de Configuração de Pinos do BD3816K1 qfp family, surface mount
Configuração de pinos para BD3816K1 (pacote qfp family, surface mount). Este componente analógico possui pinos de entrada, saída e alimentação. Consulte o datasheet do fabricante para configurações de offset null, compensação e pino de enable. Ideal para circuitos de condicionamento de sinal e amplificadores.
Nenhum dado detalhado de pinagem disponível para BD3816K1.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
BD3816K1 é adequado para 6 aplicaçãos: Home-Theater Audio Processing, Multi-Zone Amplifier System, Car Audio Head Unit, Active Speaker Crossover, Surround-Sound Processor, Audio Receiver Main Board.
Home-Theater Audio Processing
The BD3816K1 fits a home-theater signal-processing stage because the verified distributor data identifies a 7-channel audio signal processor with bass and treble control. It can be positioned ahead of power amplifiers to provide centralized surround-channel routing and tone adjustment for a main channel group and subwoofer. According to the supplied data, the device supports a 2-wire bass and treble interface and uses an 80-QFP package. The implementation should preserve a low-noise analog ground path, place supply bypassing near the package, and confirm the actual channel topology against the datasheet before assigning amplifier inputs.
Multi-Zone Amplifier System
The BD3816K1 is suitable for a multi-zone amplifier system requiring centralized processing of several audio channels. Its verified seven-channel designation offers a practical match for systems that distribute surround, front, and subwoofer signals through separate amplifier channels, while the documented bass and treble controls provide system-level tone management. According to the supplied distributor records, the control connection is a 2-wire interface and the package is 80-QFP (20x14). Designers must verify routing, gain structure, channel enable behavior, and whether separate control lines are required for individual zones.
Car Audio Head Unit
The BD3816K1 can be evaluated for a car-audio head unit or amplified-speaker module that needs multichannel selection and tone processing. The verified 7-channel description is relevant to a typical multi-speaker cabin, and the listed -20 C to +75 C operating range covers many ambient conditions. According to the supplied GlobalSpec data, operating current is listed as 40 mA, but that figure should not be treated as a complete vehicle-rail power budget. Automotive suitability also requires confirmation of transient protection, voltage tolerance, electromagnetic compatibility, and AEC-Q100 status.
Active Speaker Crossover
The BD3816K1 may fit an active speaker or multichannel crossover design where bass, treble, and channel routing must be coordinated before separate power-amplifier stages. Its verified bass and treble functions and seven-channel architecture provide a basis for dividing or conditioning signals across multiple driver bands or zones. According to the verified Mouser listing, tone control uses a two-wire interface. However, crossover slope, phase, gain, and frequency assignments cannot be inferred from the supplied data, so the actual signal path must be confirmed from the manufacturer datasheet before finalizing filter values.
Surround-Sound Processor
The BD3816K1 is applicable to a dedicated surround-sound processor because the verified distributor listing describes it as a 7-channel and 6.1-channel sound processor. This architecture is relevant to systems combining main surround channels with a dedicated low-frequency or center channel. According to the available data, the device includes bass and treble adjustment through a 2-wire control connection. Board-level implementation should maintain short analog input and output routes, isolate switching supply noise, and use the verified operating-temperature limit of -20 C to +75 C as an initial environmental boundary.
Audio Receiver Main Board
The BD3816K1 can be integrated into an audio receiver main board to centralize multichannel selection and tone adjustment ahead of output amplifiers. The verified seven-channel capability aligns with the routing demands of a typical surround receiver, while the 80-QFP (20x14 mm) package provides a defined board footprint. According to the supplied records, control is serial and includes 2-wire bass and treble functions. Engineering validation should include the controller command protocol, input sensitivity, output loading, channel mute behavior, and thermal rise in the sealed receiver chassis.
Dados de referência de engenharia para BD3816K1 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto |
|---|---|
| Package | 80-QFP (20 mm x 14 mm) |
| Brand | ROHM Semiconductor |
| Product Type | Audio special-purpose integrated circuit |
| Audio Channels | 7 channels |
| Signal Configuration | 6.1-channel sound processor |
| Supply Voltage | 10 V to 14.6 V per Mouser; conflicting 5 V and 5 V to 7.3 V entries per GlobalSpec |
| Operating Current | 40 mA |
| Operating Temperature | -20 C to +75 C |
| Interface Type | Serial |
| Tone Controls | 2-wire bass and treble control |
Principais diferenciais
- Verified seven-channel processing architecture (vs BD3816K1_10)
- Integrated bass and treble control (vs Generic discrete tone-control network)
- Integrated multichannel routing in a defined package (vs Discrete multichannel analog network)
Notas de projeto
Confirm the exact 80-QFP land pattern, pin-one location, and exposed-pad treatment from the ROHM datasheet before PCB release. Place input, output, and supply bypass connections close to their associated pins, and provide a low-impedance ground plane. The supplied search results do not include a verified pin table, so do not infer analog, digital, or power assignments from the QFP pin count alone.
Keep the seven audio paths short and symmetric, separate sensitive audio routing from the 2-wire control traces where practical, and maintain a continuous ground reference beneath the analog section. The verified data identifies a serial, 2-wire bass and treble interface but does not publish logic thresholds or timing. Validate the controller waveform, pull components, and channel-settling behavior on hardware before production.
Do not finalize the supply rail from the distributor snippets alone. The verified Mouser result lists 10 V to 14.6 V, while the verified GlobalSpec result lists 5 V and 5 V to 7.3 V entries. The official datasheet must resolve this conflict. After confirmation, size the regulator for the verified current limit, specify local high-frequency bypass capacitance, and include adequate startup and ripple margins for the audio load.
Do not treat the BD3816K1 as a power amplifier or loudspeaker driver. It is an audio signal processor, so downstream power amplifiers, output filtering, and appropriate protection remain necessary. Likewise, do not assume that similarly named sound processors are drop-in compatible: channel routing, serial protocol, electrical limits, and the 80-pin assignments must all be verified before substitution.
Informações de conformidade
The supplied web results do not provide verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations for BD3816K1. Lifecycle status is also not explicitly stated and is therefore recorded as unknown.
