BD3814FV-E2 - 6-Channel Audio Processor | ROHM
MPN: BD3814FV-E2 ⚠ Huling PagbiliBD3814FV-E2 Ulas
An audio processor is an analog signal-conditioning integrated circuit that controls, attenuates, or shapes audio signals between source and amplifier stages. In the broader product hierarchy, the BD3814FV-E2 belongs to audio processors, analog audio control ICs, and integrated circuits for consumer and professional audio equipment. Its electronic-volume function can provide centralized level and tone adjustment without requiring a separate potentiometer or mechanically operated control for every audio channel.
The device is identified as a six-channel electronic-volume processor with bass and treble control. These functions are relevant in multi-zone audio systems where different speaker groups require independent attenuation or tonal compensation. The 40-SSOP-B package provides a relatively high pin count for an analog control IC, supporting multiple signal and control connections while remaining compatible with conventional surface-mount PCB assembly.
The BD3814FV-E2 uses a 2-wire interface for tone-control functions. This interface-oriented approach is appropriate for systems where several control parameters are handled through a shared control link rather than a large number of discrete analog inputs. System integrators should confirm the exact control protocol, logic levels, timing, and supported commands against the manufacturer datasheet before finalizing firmware or host-controller communication.
Typical applications include multichannel amplifier boards, active speaker crossover networks, car-audio tone controllers, home-theater preamplifiers, compact stereo systems, and commercial audio distribution equipment. In a multi-zone amplifier, the processor can be positioned in the signal path ahead of power amplifiers so bass and treble adjustments are handled consistently across the available channels. Its six-channel architecture is especially useful where several speaker zones need coordinated volume and tone control.
Because the BD3814FV-E2 family has entered Last Time Buy status, engineers should review the manufacturer product page for lifecycle notices, ordering information, and any applicable change notifications. A robust design should also reserve the footprint for a qualified alternate only after its pinout, control interface, electrical limits, and acoustic behavior have been compared with the original device.
This page combines the confirmed product identity, lifecycle information, package details, application context, engineering guidance, and sourcing considerations for the BD3814FV-E2. It is intended to help designers assess whether the device’s six-channel electronic-volume architecture and 2-wire tone-control interface fit a new or existing audio-control board while accounting for its discontinued-family status.
Mga alternatibo na pwedeng ilagay na BD3814FV-E2 — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Wala ng magagamit na drop-in alternatibo para sa produkto na ito.
Hilingin ang AlternatiboBD3814FV-E2 Mga Pinakamataas na Rating at Electrical Characteristics
| Product Type | 6-channel electronic-volume audio processor |
| Supply Voltage na Operasyon | 10 V to 14.6 V |
| Number of Audio Channels | 6 channels |
| Control Interface | 2-wire |
| Tone-Control Functions | Bass and treble |
| Packhaging | 40-terminal SSOP-B |
| Terminal Count | 40 terminals |
| Terminal Form | Gull wing |
| Package Shape | Rectangular |
| Temperature Grade | Commercial extended |
| Uri ng Pagpapasok | Surface mount |
| Katayuan ng Lifecycle | Last Time Buy; discontinuation announced |
Gabay sa Pin Configuration ng BD3814FV-E2 rectangular
Pin configuration para sa BD3814FV-E2 (rectangular package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa BD3814FV-E2.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
BD3814FV-E2 ay nararapat para sa 6 aplikasyons: Multichannel Power Amplifier Boards, Home Theater Preamplifier Control, Active Speaker Crossover Networks, Automotive Audio Tone-Control, Commercial Audio Distribution Amplifiers, Stereo and Compact Audio Systems.
Multichannel Power Amplifier Boards
The BD3814FV-E2 fits amplifier boards that need coordinated electronic volume and tone adjustment across several channels. Its six-channel architecture allows an amplifier design to centralize bass and treble control ahead of the power-amplifier stages instead of relying on separate passive networks or repeated controls. The 10 V to 14.6 V operating range suits systems with a suitably regulated analog supply, while the 2-wire interface can simplify communication with a system controller. Before layout, confirm signal routing, control timing, and power-supply sequencing against the manufacturer datasheet.
Inirekomenda
Home Theater Preamplifier Control
A home-theater preamplifier can use the BD3814FV-E2 to apply electronic level and tone control across multiple listening channels. The six-channel organization is useful when several speaker zones or amplifier inputs must follow a common adjustment strategy, while the dedicated bass and treble functions support practical tonal matching. Because the device is a Last Time Buy product, a preamp revision should document supply availability and validate an alternate only if the footprint, protocol, and signal performance remain unchanged.
Inirekomenda
Active Speaker Crossover Networks
The BD3814FV-E2 can support active-speaker crossover boards requiring electronic attenuation and tonal balancing of multiple audio paths. Six channels provide coverage for several driver or zone inputs, and the bass and treble functions are closely aligned with the adjustment requirements of multiway speaker systems. Place the processor where signal levels permit clean control without excessive overload or distortion, and verify phase, channel assignment, and control stability in the complete crossover design.
Inirekomenda
Automotive Audio Tone-Control
The BD3814FV-E2 can serve as the electronic volume and bass/treble control element in a centralized automotive audio architecture. Its 40-terminal SSOP-B package is surface-mountable, and its six-channel structure is appropriate for coordinating several speaker and amplifier paths. The commercial-extended temperature grade makes the device relevant to many ambient indoor vehicle environments, but automotive qualification and extreme-temperature requirements must be confirmed separately before production release.
Inirekomenda
Commercial Audio Distribution Amplifiers
Distributed audio systems often need repeatable level and tone adjustment across several amplifier zones. The BD3814FV-E2 provides six-channel electronic volume with bass and treble control, making it suitable for a centralized board serving multiple rooms, speaker groups, or mixer outputs. The 2-wire control connection can reduce external control-pin count, but the host system must implement the exact supported command format. Also evaluate the Last Time Buy status when planning long-lived installations where field replacement availability is important.
Inirekomenda
Stereo and Compact Audio Systems
Compact stereo products can use the BD3814FV-E2 when their control system needs electronic volume and tone functions across several internal channels. The multi-channel architecture provides flexibility for main speakers, subwoofer-related paths, headphone stages, or auxiliary outputs, while the 40-terminal SSOP-B footprint supports integration on a conventional surface-mount PCB. The operating supply must remain within 10 V to 14.6 V, and engineers should check signal levels at each control point to avoid distortion in low-volume listening conditions.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for BD3814FV-E2 — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto |
|---|---|
| Brand | ROHM Semiconductor |
| Package | 40-terminal SSOP-B |
| Number of Channels | 6 channels |
| Operating Supply Voltage | 10 V to 14.6 V |
| Control Interface | 2-wire |
| Tone Functions | Bass and treble |
| Terminal Count | 40 terminals |
| Temperature Grade | Commercial extended |
| Lifecycle Status | Last Time Buy; discontinuation announced |
Pangunahing mga Pagkakaiba
- Integrated six-channel electronic-volume architecture (kumpara saGeneric discrete tone-control network)
- Combined bass, treble, and volume functions (kumpara saSingle-function passive tone control)
- Two-wire control connection (kumpara saParallel discrete potentiometer controls)
Talaan ng Disenyo
Reserve the 40-terminal SSOP-B footprint and keep analog audio traces short and symmetrical. Place input and output bypass capacitors at their associated supply and signal pins according to the manufacturer application circuit, with particular care around high-impedance control nodes. The exact pin names and reference layout should be taken from the ROHM datasheet before routing, since a 40-terminal analog-control package leaves little room for an inferred or copied pinout.
Design the analog supply around the stated 10 V to 14.6 V operating range and verify startup, shutdown, and maximum signal conditions. The BD3814FV-E2 controls audio attenuation and tone rather than supplying large power-amplifier output current, but supply disturbances can still appear as audible noise or control instability. Use local decoupling and a clean source rail, and confirm absolute maximum and recommended operating limits from the manufacturer datasheet.
Do not substitute a generic audio processor merely because it offers bass, treble, or I2C-style control. A drop-in device must preserve the 40-terminal footprint, six-channel architecture, 2-wire command behavior, electrical limits, and analog signal routing. Since ROHM identifies the family as Last Time Buy, document the exact order quantity and lifecycle notice, and qualify any proposed replacement through signal-level, command-protocol, temperature, and board-level testing before substitution.
Evaluate the complete audio path with the electronic volume set for minimum, nominal, and maximum attenuation. Excessive input level can drive the processor toward clipping, while very low levels can make control granularity and channel-to-channel matching important. Confirm bass and treble behavior with the intended speaker load, and verify that the 2-wire control commands cannot produce audible steps or unstable gain during startup and shutdown transitions.
Impormasyon ng Pagsunod sa Kautusan
ROHM’s product page identifies the BD3814FV family as Last Time Buy following a discontinuation announcement. No specific compliance certification was identified for this exact ordered suffix.
