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HomeProductsRF/IF and RFIDRF TransmittersATA5757-6DQY-66
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ATA5757-6DQY-66 - Microchip Technology

Manufacturer Part Number
ATA5757-6DQY-66
Manufacturer
Microchip Technology
Allelco Part Number
32D-ATA5757-6DQY-66
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
4,860 pcs available, New & Original
Parts Description
RF TX IC ASK/FSK 433MHZ 10TFSOP
Package
10-TSSOP
Data sheet
ATA5757-6DQY-66.pdf
RoHs Status
ROHS3 Compliant
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In stock: 4860

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Specifications

ATA5757-6DQY-66 Tech Specifications
Microchip Technology - ATA5757-6DQY-66 technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - ATA5757-6DQY-66

Product Attribute Attribute Value
Manufacturer Microchip Technology
Voltage - Supply 2V ~ 3.6V
Supplier Device Package 10-TSSOP
Series -
Power - Output 6dBm
Package / Case 10-TFSOP, 10-MSOP (0.118', 3.00mm Width)
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Product Attribute Attribute Value
Modulation or Protocol ASK, FSK
Memory Size -
Frequency 433MHz
Features -
Data Rate (Max) 40kbps
Data Interface PCB, Surface Mount
Current - Transmitting 8.8mA
Applications TPM (Tire Pressure Monitor)
Antenna Connector PCB, Surface Mount

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the ATA5757-6DQY-66 that influence its performance in tire pressure monitoring systems operating at 433 MHz?
The ATA5757-6DQY-66 operates at a supply voltage between 2V and 3.6V, making it suitable for battery-powered applications such as tire pressure monitors. It delivers an output power of 6dBm with a transmitting current draw of 8.8mA, which balances range and power efficiency. These parameters are critical when evaluating battery life in automotive environments where thermal stability from -40°C to 125°C ensures reliable operation across extreme conditions.
How does the modulation scheme of the ATA5757-6DQY-66 compare to alternative RF transmitters in similar ASK/FSK applications, particularly regarding noise immunity and data integrity at 40kbps?
The ATA5757-6DQY-66 uses both ASK (Amplitude Shift Keying) and FSK (Frequency Shift Keying), offering improved noise resilience over pure ASK implementations due to frequency discrimination capabilities. While ASK is more susceptible to amplitude variations caused by signal attenuation or interference, FSK enables better performance in noisy industrial or automotive environments. At a maximum data rate of 40kbps, this hybrid approach supports robust communication without requiring complex error correction overhead.
In what design scenarios would engineers choose the ATA5757-6DQY-66 over other 433MHz RF transmitters like the ATA5755-6DQY-66, considering differences in modulation support and power output?
The ATA5757-6DQY-66 offers dual ASK/FSK modulation and higher output power (6dBm), making it preferable over single-modulation alternatives like the ATA5755 when system flexibility and longer transmission range are required. For tire pressure monitoring systems where regulatory compliance and signal clarity under variable environmental conditions matter, the ability to switch or prioritize modulation schemes enhances reliability. The 6dBm output also extends communication distance in challenging geometries typical of wheel-mounted sensors.
What layout considerations should be prioritized when integrating the ATA5757-6DQY-66 into a compact PCB design intended for automotive use?
Given its surface-mount 10-TSSOP package with a 3.00mm width, the ATA5757-6DQY-66 demands careful high-frequency routing near the antenna trace to minimize impedance mismatch. Ground plane continuity beneath the IC is essential to reduce electromagnetic emissions and stabilize transmit performance. Thermal vias may be necessary given the wide temperature range up to 125°C, especially in enclosed spaces where heat dissipation is limited.
Can the ATA5757-6DQY-66 operate reliably in harsh automotive environments, and how do its specifications support long-term durability?
Yes, the ATA5757-6DQY-66 is rated for operation from -40°C to 125°C, aligning with automotive-grade thermal requirements. Its RoHS3 compliance and MSL 1 classification indicate suitability for mass production with minimal handling restrictions. Combined with stable modulation performance across this temperature span, the device maintains consistent RF output even under rapid thermal cycling—critical for tire pressure modules exposed to direct sunlight or cold starts.
How does the data interface type of the ATA5757-6DQY-66 impact system-level integration in embedded designs?
The ATA5757-6DQY-66 uses a PCB-mounted, surface-mount antenna configuration rather than an external connector, simplifying mechanical integration but requiring precise antenna tuning during board bring-up. This design choice reduces part count and improves shock/vibration resistance in mobile applications. However, it necessitates careful impedance matching networks to achieve optimal radiation efficiency at 433MHz, particularly given the compact form factor.
What role does the 433MHz frequency band play in the selection of the ATA5757-6DQY-66 for global tire pressure monitoring systems?
Operating at 433MHz allows the ATA5757-6DQY-66 to comply with regional RF regulations in Europe, Asia, and parts of North America, avoiding licensing requirements associated with lower frequencies while maintaining acceptable propagation characteristics through tires and metal rims. This global band availability simplifies certification efforts compared to sub-1GHz alternatives that vary by region.
How should designers evaluate trade-offs between output power and current consumption when selecting the ATA5757-6DQY-66 versus lower-power RF solutions?
With an output power of 6dBm and 8.8mA transmit current, the ATA5757-6DQY-66 trades moderate power efficiency for extended communication range—ideal for tire pressure systems needing to reach receivers from rotating wheels. Engineers must assess duty cycle requirements: if transmissions occur infrequently (e.g., every 60 seconds), the average current remains manageable even with brief high-current bursts.
Are there any known limitations of the ATA5757-6DQY-66 related to memory or protocol handling that affect firmware development?
The ATA5757-6DQY-66 does not include internal memory, implying all protocol processing must reside externally. This requires microcontroller coordination for encoding/decoding ASK/FSK signals, increasing firmware complexity compared to integrated solutions. Designers must ensure sufficient processing headroom to handle timing-critical aspects like Manchester encoding or preamble detection within the 40kbps constraint.
How does the absence of an explicit ECCN code affect export considerations for the ATA5757-6DQY-66 in international supply chains?
Although classified under EAR99, indicating general consumer goods status, the lack of a specific ECCN for the ATA5757-6DQY-66 means exporters should verify end-use and destination country regulations. Its use in non-military automotive applications typically avoids strict controls, but documentation should confirm compliance with local RF emission standards beyond basic export classification.
What testing methodology is recommended to validate real-world performance of the ATA5757-6DQY-66 in simulated tire pressure monitor deployments?
Functional validation should include rotating platform tests simulating vehicle speeds while measuring RSSI and packet success rates across varying distances and orientations. Temperature chamber testing (-40°C to 125°C) verifies modulation stability, while vibration profiles mimic road-induced stress. Antenna return loss measurements (< -10 dB at 433MHz) confirm impedance match under load.
How does the ATA5757-6DQY-66’s package type influence thermal management in densely populated PCBs common in modern vehicles?
The 10-TSSOP package has limited exposed thermal pads, so heat generated during transmission (even at 6dBm) primarily dissipates via conduction through solder joints and copper layers. In high-density layouts, adjacent components must avoid blocking airflow or creating thermal shorts. Adequate ground plane coupling helps distribute heat evenly, though peak junction temperatures must stay below absolute maximum ratings despite the wide operational range.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology ATA5757-6DQY-66

Product Attribute ATA5757C-6DQY-66 ATA5756C-6DQY-66 ATA5757-6DPY-66 ATA5756-6DQY-66
Part Number ATA5757C-6DQY-66 ATA5756C-6DQY-66 ATA5757-6DPY-66 ATA5756-6DQY-66
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Applications - - - -
Data Rate (Max) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Supply - - - -
Modulation or Protocol - - - -
Features - - - Simultaneous Sampling
Mounting Type - Surface Mount Through Hole Surface Mount
Current - Transmitting - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Power - Output - - - -
Memory Size - - - -
Antenna Connector - - - -
Frequency - - - -
Data Interface - LVDS - Parallel I²C LVDS - Parallel, Parallel

ATA5757-6DQY-66 Datasheet PDF

Download ATA5757-6DQY-66 pdf datasheets and Microchip Technology documentation for ATA5757-6DQY-66 - Microchip Technology.

Datasheets
Cylindrical Battery Holders.pdf

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Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
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ATA5757-6DQY-66 Image

ATA5757-6DQY-66

Microchip Technology
32D-ATA5757-6DQY-66

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