MAX7032ATJ+T Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
The MAX7032ATJ+T is a low-cost, crystal-based ASK/FSK transceiver from Analog Devices featuring a fractional-N PLL for precise frequency synthesis in a 32-pin TQFN-EP package. It supports programmable data rates and operates across standard ISM bands for short-range wireless communication. Available in stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 33
- Lifecycle
- ACTIVE
- Datasheet
- MAX7032ATJ+T Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MAX7032ATJ+T?
- Crystal-based fractional-N PLL for accurate ISM-band frequency synthesis
- Supports both ASK and FSK modulation modes
- Programmable data rate and frequency configuration via SPI
- Low-cost architecture targeting cost-sensitive remote keyless entry and telemetry
- 32-pin TQFN-EP package with exposed pad for thermal and ground connection
- Suitable for 315 MHz, 433 MHz, and 868/915 MHz ISM frequency bands
What is MAX7032ATJ+T used for?
The MAX7032ATJ+T is widely used in remote keyless entry (RKE) systems, garage door openers, wireless sensor nodes, and home automation devices requiring low-cost, narrowband ASK or FSK RF links in the 315 MHz, 433 MHz, and 868/915 MHz ISM bands. Its integrated fractional-N PLL and crystal reference eliminate the need for a separate frequency synthesis IC, reducing BOM cost and simplifying RF design for consumer and industrial short-range wireless applications.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the MAX7032ATJ+T datasheet?
MAX7032ATJ+T Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for MAX7032ATJ+T?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Which ISM frequency bands does MAX7032ATJ+T support and how is the operating frequency programmed?
The MAX7032ATJ+T supports 315 MHz, 433.92 MHz, 868 MHz, and 915 MHz ISM bands, with the exact carrier frequency programmed via an SPI interface connected to internal fractional-N PLL registers. This lets a single hardware design target different regional ISM band allocations by changing firmware configuration rather than swapping RF components.
How does the fractional-N PLL in MAX7032ATJ+T improve frequency accuracy compared to fixed-crystal RF front-ends?
A fractional-N PLL multiplies the external crystal reference — typically 13 MHz or 16 MHz — to the desired RF carrier frequency with sub-kHz resolution, keeping frequency error well below the ±75 kHz channel bandwidth typical of narrowband FSK links. Fixed-crystal front-ends are locked to a single frequency and cannot be retargeted, whereas the MAX7032's PLL allows the same PCB to cover multiple regional ISM channels at 433 MHz ±0.3 MHz or 915 MHz ±5 MHz.
Can MAX7032ATJ+T handle both transmit and receive functions, and what modulation types does it support?
Yes. The MAX7032ATJ+T is a full transceiver capable of both transmitting and receiving, and supports ASK (amplitude shift keying) and FSK (frequency shift keying) modulation. This dual-modulation support allows system designers to choose FSK for noise-immune links at up to several hundred kbps or ASK for simpler, lower-cost one-way command links in RKE applications.
For a compact PCB layout, what package does MAX7032ATJ+T use and how does the exposed pad affect assembly?
The device comes in a 32-pin TQFN-EP package with an exposed thermal and ground pad on the bottom. The body measures approximately 5 mm × 5 mm, and the exposed pad should be soldered to a PCB ground plane to provide both the RF ground reference and thermal relief, following standard lead-free reflow profiles with a 260°C peak reflow temperature.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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