TDA5210 - FSK/ASK Superhet Receiver 868MHz | Infineon
料号： TDA5210 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.85 | $38.50 |
| 100 | $3.4 | $340.00 |
| 500 | $3.05 | $1,525.00 |
| 1,000 | $2.75 | $2,750.00 |
TDA5210 概述
A superheterodyne receiver (SHR) is a receiver architecture that converts the incoming RF signal to a lower intermediate frequency (IF) by mixing it with a local oscillator, enabling high selectivity and sensitivity through fixed-frequency IF filtering. Within the signal-chain hierarchy, the TDA5210 is an RF receiver IC that sits between the antenna front end (LNA stage, integrated) and the baseband data slicer, forming the receive side of a wireless link typically paired with a companion transmitter such as the Infineon TDA5100/TDA5101.
Key features include dual-band support for 434 MHz and 868 MHz ISM band operation, integrated low-noise amplifier and mixer, RSSI output for signal-strength indication, and FSK/ASK demodulation selectable by configuration. Very low power consumption makes it suitable for battery-backup and low-duty-cycle polling receivers.
Architecturally, the TDA5210 is a single-conversion superheterodyne receiver: the on-chip LNA feeds a mixer referenced to an external or internal PLL-synthesized local oscillator, and the IF signal is amplified, limited, and demodulated. Pin compatibility with the ASK-only receiver TDA5200 allows designers to migrate between ASK and FSK/ASK platforms without PCB redesign.
Typical applications include remote keyless entry (RKE) receivers, 868 MHz and 434 MHz ISM/SRD telemetry links, home and building automation, and security/surveillance wireless sensors.
Design consideration: the 4.5 V to 5.5 V supply range means the part cannot run directly from a 3.3 V rail; plan a 5 V regulator, and follow the datasheet reference design for the crystal and PLL loop filter layout to preserve the -110 dBm sensitivity.
This page adds value beyond the manufacturer datasheet by synthesizing distributor stock signals, drop-in family alternatives (TDA5200, TDA5211, TDA5230), and practical selection guidance in one place.
直接替换替代料： TDA5210 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： TDA5210 （相同外形与封装尺寸） ——差异在于 Modulation, Product Type, Architecture, Mounting Type, Package.
快速对比工具——选择替代料号进行并排对比：
TDA5200
✅ 直接替换✓ 有现货
$3.98 / 个
查看数据手册 →TDA5211
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →TDA5230
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.28 / 个
查看数据手册 →TDA5210 规格参数
| Product Type | FSK/ASK Single Conversion Superheterodyne Receiver |
| Frequency Band 1 | 400 MHz to 440 MHz |
| Frequency Band 2 | 810 MHz to 870 MHz |
| ISM Band Support | 434 MHz, 868 MHz |
| Modulation | FSK / ASK |
| Sensitivity | -110 dBm |
| Maximum Data Rate | 100 kbps |
| Supply Voltage Range | 4.5 V to 5.5 V |
| 工作温度 | -40C to +105C |
| RSSI Output | Yes |
| 封装 | PG-TSSOP-28 |
| 安装类型 | Surface Mount |
| Architecture | Single conversion superheterodyne |
| RoHS 状态 | Compliant |
| Pin Compatibility | Compatible with ASK receiver TDA5200 |
TDA5210 pg-tssop-28 引脚配置指南
TDA5210（pg-tssop-28 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： TDA5210.
请参阅 数据手册 以查看完整引脚配置。
典型应用
TDA5210 适用于 6 应用s: Remote Keyless Entry (RKE) Receivers, 868 MHz ISM/SRD Telemetry, Home and Building Automation, Security and Alarm Systems, Industrial Wireless Sensor Networks, Smart Metering and AMR.
Remote Keyless Entry (RKE) Receivers
The TDA5210 fits RKE base-station receivers because its 810-870 MHz coverage includes the 868 MHz European SRD band and 400-440 MHz covers 434 MHz Asian/US links, letting one design serve multiple regions. Its -110 dBm sensitivity and 100 kbps data rate support rolling-code protocols with strong link budgets, while the RSSI output enables simple signal-quality monitoring and polling schemes. In a typical circuit, the TDA5210 demodulates the FSK or ASK carrier from an Infineon TDA5100/TDA5101 transmitter and feeds the data slicer output to the vehicle MCU. Very low power consumption supports always-listening or duty-cycled receivers without excessive battery drain, and the -40C to +105C range handles under-dash thermal environments.
推荐
868 MHz ISM/SRD Telemetry
For short-range telemetry in the 868 MHz SRD band, the TDA5210 provides a complete single-chip receive chain: LNA, mixer, IF limiting amplifier, and FSK/ASK demodulator, eliminating discrete RF stages and reducing BOM cost. Sensitivity of approximately -110 dBm yields link budgets above 100 dB, adequate for metering, sensor-node, and actuator links at tens to hundreds of meters with compact antennas. The 100 kbps ceiling is well matched to SRD duty-cycle regulations, where low data burst rates are typical. Designers should follow the datasheet reference design for the crystal, PLL loop filter, and matching network, and note the 4.5 V to 5.5 V supply requirement when interfacing with 3.3 V microcontrollers.
推荐
Home and Building Automation
Wireless switches, dimmer receivers, and blind/shutter controllers in the 434 MHz and 868 MHz bands are a natural fit for the TDA5210. Dual-band coverage in one part lets a single PCB variant serve EU (868 MHz) and Asia (434 MHz) markets by changing only the antenna matching and reference frequency. FSK/ASK flexibility allows reuse across legacy ASK product lines (via TDA5200 pin compatibility) and newer FSK links. The RSSI output supports simple link-quality diagnostics during installation, and the -40C to +105C industrial temperature range suits breaker-box and ceiling-rose installations. Low current draw matters for mains-free battery sensors that wake the receiver periodically.
推荐
Security and Alarm Systems
Wireless PIR sensors, door contacts, and alarm panels rely on dependable sub-GHz links where false alarms from interference must be minimized. The TDA5210's superheterodyne architecture provides the selectivity that simple TRF or ASK receivers lack, rejecting out-of-band interferers in the crowded 433 MHz and 868 MHz bands. Its -110 dBm sensitivity extends battery-powered sensor battery life by permitting lower transmit power or lower duty cycles, and FSK demodulation further improves robustness against amplitude-domain interference. The 100 kbps data rate covers typical alarm frame formats with margin, and the RSSI output can flag jamming or low-battery sensor conditions at the panel.
推荐
Industrial Wireless Sensor Networks
In factories and process plants, sub-GHz ISM links at 434 MHz or 868 MHz provide penetration and range that 2.4 GHz cannot. The TDA5210's -40C to +105C operating range and 4.5 V to 5.5 V supply integrate well with industrial 5 V rails common in PLC-adjacent I/O, simplifying power design. Single-conversion SHR architecture delivers repeatable sensitivity and channel selectivity across temperature, important for always-installed infrastructure nodes. With 100 kbps max data rate, it targets monitoring and control traffic rather than high-throughput backhaul. RSSI output enables mesh or star-network link monitoring. Pair with TDA5100/TDA5101 based transmitters for a single-vendor, datasheet-matched RF link.
推荐
Smart Metering and AMR
Automatic meter reading (AMR) endpoints in the 868 MHz SRD band benefit from the TDA5210's combination of -110 dBm sensitivity and very low power consumption, which is critical for battery-powered water, gas, and heat meters with 10+ year service targets. Duty-cycled listening uses the receiver's fast settle behavior; the FSK mode provides reliable demodulation in RF-noisy meter cabinets. The single-chip integration of LNA, mixer, IF, and demodulator keeps meter BOM and calibration effort low, and the PG-TSSOP-28 package fits compact meter PCBs. The 4.5 V to 5.5 V supply range pairs with simple boost or primary-cell arrangements in meter power architectures.
推荐
推荐产品汇总
工程参考数据： TDA5210 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | TDA5200 | TDA5211 | TDA5201 |
|---|---|---|---|---|
| Package | PG-TSSOP-28 | PG-TSSOP-28 - same | PG-TSSOP-28 - same | PG-TSSOP-28 - same |
| Brand | Infineon | Infineon | Infineon | Infineon |
| Modulation | FSK / ASK | ASK only | FSK / ASK | ASK only |
关键差异点
- FSK and ASK demodulation in one part （对比 TDA5200)
- Dual-band single-chip coverage （对比 TDA5211)
- -110 dBm sensitivity for extended range （对比 Generic ASK/TRF receivers)
- Trade-off: 5 V supply （对比 TDA5230)
设计说明
The TDA5210 requires 4.5 V to 5.5 V, so it cannot be powered from a 3.3 V rail. Provide a clean 5 V regulator with at least 100 nF ceramic decoupling directly at the supply pin plus a bulk capacitor (10 uF) near the IC. Because this is an RF receiver, regulator switching noise couples directly into sensitivity: prefer an LDO or add LC filtering between a DC-DC converter and the receiver supply. Level-shift or verify logic thresholds when interfacing the data/RSSI outputs to 3.3 V microcontrollers.
Follow the datasheet reference design for the crystal, PLL loop filter, LNA matching network, and SAW/IF filter placement. Keep the RF input trace short with a solid ground plane underneath, place the VCO inductor away from digital traces, and use the exposed grounding recommendations in the Infineon layout section. Deviating from the reference PLL loop filter component values will shift lock time and phase noise, directly degrading the -110 dBm sensitivity figure.
Do not substitute the TDA5200 (ASK-only) on a board that must receive FSK; the parts are pin-compatible but demodulation differs, a frequent sourcing-mistake when buyers cross these MPNs. Also confirm regional band compliance: 868 MHz (EU SRD) and 434 MHz operation require correct matching-network variants per band, and the 100 kbps maximum data rate excludes higher-rate protocols. Verify the exact ordering code (e.g., TDA5210XUMA1) when purchasing, since packaging and temperature options differ by suffix.
Use the RSSI output not only for link monitoring but as a production diagnostic: a deviating RSSI-vs-distance curve during validation usually indicates a matching-network or antenna detuning problem. Keep the data-slicer threshold capacitor per datasheet guidance; an incorrect value causes pulse-width distortion at high data rates, degrading bit error performance near the 100 kbps limit.
合规信息
RoHS compliance indicated by JLCPCB part data (C539601). REACH, lead-free, and halogen-free statuses not stated in retrieved data - verify on Infineon product page for the specific ordering code.
