TDA5230 - ASK/FSK ISM Receiver 302-870MHz | Infineon
N.º da peça: TDA5230 ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $1.55 | $1,55 |
| 10 | $1.48 | $14,80 |
| 100 | $1.4 | $140,00 |
| 500 | $1.34 | $670,00 |
| 1.000 | $1.28 | $1.280,00 |
TDA5230 Visão geral
A superheterodyne image-reject receiver is a radio-frequency architecture that converts the incoming RF signal to an intermediate frequency in two stages while using an image-reject mixer to suppress the mirror frequency, reducing the need for expensive front-end SAW filtering. Within the power-management hierarchy of a wireless link, such receivers sit between the antenna/LNA stage and the digital baseband, making them a core component of low-power RF front ends for remote-control and telemetry systems.
Key features include multi-band operation across three ISM ranges (302-320 MHz, 433-450 MHz, and 865-870 MHz), support for both ASK and FSK demodulation, and integrated digital baseband processing for Manchester-coded data signals. The image-reject mixer architecture lowers external component count, while the low-power design targets battery-operated transmitter-receiver links such as keyless entry and remote sensors.
Technically, the TDA5230 performs single-conversion superheterodyne reception with multi-channel synthesizer-based tuning, allowing firmware selection of channels within the supported bands. The on-chip digital baseband handles data slicing and Manchester decoding, offloading the host microcontroller and improving tolerance to noise and frequency drift.
Typical applications include 433 MHz and 868 MHz remote keyless entry receivers, home and building automation nodes, low-power telemetry in the 315/433/868/870 MHz ISM bands, and wireless sensor read-outs.
Design consideration: the image-reject and channel-filter settings must be configured to match the chosen band and data rate; verify crystal and reference frequency planning against the datasheet before locking the PCB layout.
This page synthesizes distributor pricing, same-family drop-in candidates, and practical design notes not consolidated in the manufacturer datasheet.
Alternativas drop-in para TDA5230 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com TDA5230 (mesmo formato e footprint) — diferindo em Package, Product Type, Modulation, Function, Supply Voltage.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
TDA5231
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
TDA5211
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →TDA5210
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.75 / unidade
Ver ficha técnica →TDA5100
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.85 / unidade
Ver ficha técnica →TDA5101
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.25 / unidade
Ver ficha técnica →TDA5230 Especificações
| Product Type | Single-chip ASK/FSK superheterodyne image-reject receiver |
| Modulation | ASK / FSK |
| Frequency Band 1 | 302 MHz to 320 MHz |
| Frequency Band 2 | 433 MHz to 450 MHz |
| Frequency Band 3 | 865 MHz to 870 MHz |
| Architecture | Single conversion superheterodyne, image-reject |
| Data Coding | Manchester-coded data signals |
| Baseband | Digital baseband processing (on-chip) |
| Channel Selection | Multi-channel |
| Power Class | Low power |
| Encapsulamento | TSSOP (surface mount) |
| Tipo de montagem | Surface Mount |
Guia de Configuração de Pinos do TDA5230 tssop (surface mount)
Configuração de pinos para TDA5230 (pacote tssop (surface mount)). A numeração dos pinos, funções e diagramas de conexão estão definidos no datasheet do fabricante. Consulte-o para o footprint exato e diretrizes de soldagem.
Nenhum dado detalhado de pinagem disponível para TDA5230.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
TDA5230 é adequado para 6 aplicaçãos: Remote Keyless Entry (RKE) Receiver, 868 MHz Home and Building Automation, Wireless Sensor Telemetry (433 MHz ISM), Security and Alarm Systems, Industrial Remote Control (Crane/Hoist/Handheld), Smart Meter and Sub-GHz IoT Readout.
Remote Keyless Entry (RKE) Receiver
The TDA5230's native 433-450 MHz band coverage includes the 433.92 MHz ISM center frequency used worldwide for remote keyless entry, and its ASK/FSK demodulation matches the on-off-keyed transmissions of typical key fobs. The integrated Manchester-coded digital baseband directly decodes standard RKE frame formats, removing the need for an external decoder IC or MCU-intensive software decoding. In a typical circuit, the TDA5230 sits behind a loop antenna or small PCB antenna and feeds decoded data plus RSSI information to the vehicle or door-controller MCU. The image-reject superheterodyne architecture suppresses the mirror channel, relaxing front-end filter requirements and lowering bill-of-materials cost compared to conventional single-conversion receivers, while the low-power design suits long standby operation in always-listening receiver nodes.
Recomendado
868 MHz Home and Building Automation
For home and building automation nodes operating in the 865-870 MHz ISM band, the TDA5230 provides a dedicated receiver path with multi-channel synthesizer tuning, allowing a single hardware design to serve multiple regional sub-bands (865-870 MHz in Europe, adjacent bands in Asia). Its digital baseband processing for Manchester-coded data aligns with common one-way sensor and actuator protocols used in lighting, shutter, and alarm systems. Because the receiver integrates channel filtering and data slicing on-chip, the host MCU only handles decoded bytes, reducing firmware complexity and current consumption. Compared to software-defined or analog-slicing receivers, the TDA5230's deterministic decoding improves packet-error performance in noisy residential RF environments with Wi-Fi and other 868 MHz congestion sources.
Recomendado
Wireless Sensor Telemetry (433 MHz ISM)
Battery-powered sensor telemetry at 433 MHz benefits directly from the TDA5230's low-power single-conversion architecture and 433-450 MHz coverage. The receiver's multi-channel capability lets one gateway monitor several sensor sub-channels without hardware changes, while on-chip Manchester decoding delivers clean data to the gateway MCU. The image-reject mixer reduces susceptibility to image-band interferers, an important advantage in industrial environments where 315/433 MHz noise sources are common. Because sensitivity, channel filter, and baseband settings are configured digitally, firmware can trade data rate against link margin per deployment. Designers should budget crystal tolerance against the multi-channel spacing and verify the supply current profile from the datasheet to size the gateway's standby battery accordingly.
Recomendado
Security and Alarm Systems
Wireless alarm sensors (door contacts, PIR detectors, smoke detectors) in the 302-320 MHz and 433-450 MHz bands use the TDA5230 as the central receiver: its three-band coverage lets one receiver hardware platform serve regional security markets that mandate different ISM frequencies. The integrated Manchester decoder authenticates standard rolling-code and fixed-code sensor frames at the receiver IC level, and the image-reject architecture maintains sensitivity despite the crowded RF environment around monitored premises. Low power consumption supports panel designs that must remain receptive 24/7 on battery backup. Compared to discrete superhet solutions, the TDA5230 reduces component count and channel-to-channel alignment effort, improving manufacturing consistency across large security-system production volumes.
Recomendado
Industrial Remote Control (Crane/Hoist/Handheld)
Industrial remote-control receivers for cranes, hoists, and handheld controllers require robust links in the 433-450 MHz and 865-870 MHz ISM bands, exactly where the TDA5230 operates. Its single-conversion multi-channel synthesizer enables frequency-hopping or multi-channel operation to coexist with other plant transmitters, and the digital baseband's Manchester decoding provides deterministic latency and error behavior critical for safety-rated stop commands. The image-reject front end tolerates the strong interferers typical of motor-driven industrial sites without exotic front-end filtering. Integrating the complete receive chain in one TSSOP package shrinks receiver boards inside compact handheld and pendant enclosures, while datasheet-configurable channel filters let designers balance command data rate against link robustness.
Recomendado
Smart Meter and Sub-GHz IoT Readout
Sub-GHz metering readouts in the 865-870 MHz band use the TDA5230 as a low-power wake-up and data receiver. The 865-870 MHz coverage matches European metering regulations, and the multi-channel synthesizer supports listening across several metering channels from one IC. Its digital baseband delivers Manchester-decoded data to the meter MCU, simplifying protocol handling for one-way meter broadcasts. The image-reject architecture is advantageous near switch-mode loads in meter cabinets that generate broadband noise, and the low-power profile supports battery-backed data loggers. Designers should verify sensitivity and supply-current figures from the manufacturer datasheet when calculating link budgets for basement or buried meter installations, and confirm last-time-buy availability given the part's discontinued status at Infineon.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para TDA5230 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | TDA5231 | TDA5211 | TDA5210 |
|---|---|---|---|---|
| Brand | Infineon | Infineon | Infineon | Infineon |
| Modulation | ASK / FSK | ASK / FSK (same family) | ASK / FSK | ASK / FSK |
Principais diferenciais
- Triple ISM band coverage in one IC (vs TDA5211)
- Integrated Manchester-coded digital baseband (vs TDA5210)
- Image-reject superheterodyne architecture (vs TDA5231)
Notas de projeto
Because the TDA5230 is a superheterodyne image-reject receiver, local oscillator and IF routing dominate layout risk. Keep the crystal/LO loop short and away from the data and baseband pins, and place band-select and channel-filter external components exactly per the datasheet reference layout. Use a solid ground plane with the TSSOP ground connections tied directly to it, and partition the antenna matching network at the board edge. Verify the datasheet reference design before freezing the footprint, since pin functions are band- and configuration-dependent.
Estimated: as a low-power battery-supplied receiver, supply-current budgeting should distinguish receive mode, polling/sleep mode, and synthesizer settling intervals from the datasheet electrical characteristics table (values not present in retrieved web data - [DATA_NEEDED: supply current]). Decouple the supply pin with at least 100 nF ceramic plus bulk capacitance close to the pin; RF receivers are sensitive to supply ripple from shared DC-DC converters, so prefer an LDO or LC-filtered rail for the TDA5230 supply in mixed-power designs.
The TDA5230 is discontinued at Infineon; designs started today face sourcing risk. Two frequent pitfalls: (1) assuming Manchester decoding settings carry over between TDA523x family members - confirm baseband configuration per datasheet; (2) using the same channel plan across 433 MHz and 868 MHz builds without re-checking crystal tolerance against channel spacing, which can shift the IF out of the filter passband and degrade sensitivity. Always re-run receiver sensitivity tests per band after any crystal or reference change.
Informações de conformidade
Compliance status not stated in retrieved web data; consult the official Infineon product page and datasheet for RoHS/REACH declarations.
