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Analog Devices Inc. AD9371BBCZ
- Part No.:
- AD9371BBCZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Transceiver ICs
- Package:
- 196-LFBGA, CSPBGA
- Datasheet:
-
AD9371BBCZ.pdf
- Description:
- IC RF TXRX 196CSPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,884
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Product details
Overview
AD9371BBCZ from Analog Devices is a highly integrated dual-channel RF transceiver with observation and sniffer receivers, operating from 300 MHz to 6000 MHz, supporting up to 100 MHz Rx bandwidth and 250 MHz Tx synthesis bandwidth, and featuring JESD204B interface (6.144 Gbps/lane) for 3G/4G macro/micro base station digital front-end processing.
For engineers reviewing the AD9371BBCZ datasheet, AD9371BBCZ pinout, AD9371BBCZ application, or AD9371BBCZ equivalent, key selection considerations include FDD/TDD duplex mode support, integrated fractional-N synthesizers for Tx/Rx/ORx/SnRx, on-chip QEC and DC offset correction, 12 mm × 12 mm CSP_BGA package with 196-ball layout, and power consumption of 4.86 W in full FDD operation.
Technical Context
The AD9371BBCZ implements direct-conversion architecture with independent wideband signal paths: dual differential transmitters (Tx1/Tx2), dual differential receivers (Rx1/Rx2), a two-input observation receiver (ORx1/ORx2), and a three-input sniffer receiver (SnRXA/B/C). Each path includes programmable FIR filters, quadrature error correction (QEC), and DC offset cancellation.
Four fully integrated fractional-N PLLs generate local oscillator signals for Tx, Rx, ORx, and clock domains; all VCOs and loop filter components are on-die. The JESD204B interface uses eight lanes (four Tx, four Rx+ORx) with lane rates up to 6144 Mbps and supports deterministic latency via SYSREF synchronization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Tuning Range | 300 MHz to 6000 MHz - covers licensed/unlicensed cellular bands including 700 MHz, 2.6 GHz, 3.5 GHz, and 5.5 GHz. |
| Rx Bandwidth | 8 MHz to 100 MHz - programmable analog LPF (≥20 MHz) + digital pFIR filtering enables flexible channelization. |
| Tx Synthesis BW | Up to 250 MHz - supports wideband digital pre-distortion (DPD) and interference mitigation algorithms. |
| JESD204B Lane Rate | 614.4–6144 Mbps - eight-lane interface (4 Tx + 4 Rx/ORx) ensures high-throughput baseband data transfer. |
| Noise Figure (Rx) | 12–18 dB across band - low NF at 700 MHz (12 dB) enables high-sensitivity reception in macro BTS applications. |
| OIP3 (Tx) | 25–27 dBm - high linearity supports multicarrier LTE transmission with stringent ACLR requirements. |
| Power Dissipation (FDD) | 4.86 W typical - measured with 100 MHz Rx BW, 200 MHz Tx BW, and active ORx at 245.76 MSPS. |
| Package | 12 mm × 12 mm, 196-ball CSP_BGA - compact footprint with thermal pad for base station thermal management. |
Pinout & Package
The AD9371BBCZ is housed in a 12 mm × 12 mm, 196-ball chip-scale ball grid array (CSP_BGA) package with exposed thermal pad (ball A1–P16 perimeter, center thermal pad unpopulated per datasheet Figure 45). Pin functions follow standard BGA numbering (A1 = top-left corner, row-major).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DEV_CLK_IN± | Reference clock input | Differential 10–320 MHz clock source for internal PLLs; AC-coupled, 618 mV common-mode voltage. |
| SYSREF_IN± | Multi-device synchronization | LVDS input for deterministic JESD204B lane alignment across multiple AD9371BBCZ devices. |
| TX1+/TX1−, TX2+/TX2− | Differential RF transmit outputs | 50 Ω differential outputs supporting up to +7 dBm (700 MHz); require external matching networks. |
| RX1+/RX1−, RX2+/RX2− | Differential RF receive inputs | 200 Ω differential inputs; −14 dBm max CW input power; integrated LNA and variable gain amplifier. |
| ORX1+/ORX1−, ORX2+/ORX2− | Observation receiver inputs | 200 Ω differential inputs monitoring Tx1/Tx2 outputs; 250 MHz bandwidth for DPD feedback loops. |
| SNRXA±, SNRXB±, SNRXC± | Sniffer receiver inputs | 400 Ω differential inputs; 20 MHz bandwidth each; used for spectrum sensing and interference detection. |
| JESD204B Lane Pairs (JTX0–JTX3, JRX0–JRX3) | High-speed serial data I/O | Eight LVDS lanes: four dedicated to Tx data, four shared by Rx and ORx data streams. |
| GPIO_3P3_x | General-purpose I/O | 3.3 V-tolerant CMOS pins for control signaling (e.g., TX/RX enable, interrupt assertion). |
Key Features
| Feature | Design Value |
|---|---|
| Dual Tx + Dual Rx + ORx + SnRx integration | Reduces system component count by consolidating five RF signal chains into one IC for active antenna systems. |
| Fully integrated fractional-N synthesizers | Eliminates need for external VCOs, loop filters, or reference dividers-reducing board area and phase noise sensitivity. |
| On-chip QEC and DC offset correction | Enables real-time image suppression and baseline stabilization without FPGA-based calibration logic. |
| Programmable pFIR filters per path | Allows dynamic bandwidth shaping (e.g., ±0.2 dB ripple over 20 MHz span) to match specific air interface requirements. |
| Auxiliary 12-bit ADC and 10-bit DACs | Supports on-board temperature/voltage monitoring and bias tuning without external converters. |
| Deterministic JESD204B latency | Enables precise multi-IC timing alignment in massive MIMO arrays using SYSREF-driven lane synchronization. |
Applications
| 3G/4G Macro Base Station | FDD Active Antenna System |
|---|---|
Use Scenario: High-power outdoor BTS handling 4×4 MIMO LTE-A with carrier aggregation across 700 MHz and 2600 MHz bands. IC Role / Device Role / Timing Role: AD9371BBCZ serves as the complete RF front-end transceiver, managing simultaneous dual-band transmission/reception and ORx-based DPD feedback. Use Value: Integrated synthesizers and QEC reduce external component count by >30% versus discrete solutions while maintaining ACLR <−64 dBc at 700 MHz. | Use Scenario: Compact active antenna unit with integrated beamforming, requiring synchronized multi-IC operation across 8 TRX channels. IC Role / Device Role / Timing Role: AD9371BBCZ provides deterministic-latency JESD204B interface and SYSREF-aligned multi-device sync for coherent RF signal combining. Use Value: Deterministic latency and sub-degree phase stability enable <±2° beam pointing accuracy in real-time adaptive arrays. |
| TDD Small Cell Picocell | Microwave NLOS Backhaul |
Use Scenario: Indoor enterprise picocell supporting 20 MHz LTE TDD with dynamic UL/DL slot switching. IC Role / Device Role / Timing Role: AD9371BBCZ operates in time-division duplex mode with fast Tx/Rx switching (<10 μs enable pulse width) and integrated AGC for burst-mode reception. Use Value: Fast gain settling and built-in RSSI measurement eliminate need for external power detectors and reduce control-loop latency by 40%. | Use Scenario: 5 GHz point-to-point backhaul link with 100 MHz channel bandwidth and OFDM modulation. IC Role / Device Role / Timing Role: AD9371BBCZ delivers 100 MHz Rx bandwidth and 250 MHz Tx synthesis BW to support high-throughput waveforms with low EVM (−37.5 dB at 5500 MHz). Use Value: Wide instantaneous bandwidth and high OIP3 (25 dBm) enable 256-QAM operation with BER <10⁻¹² under multipath fading. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar RF transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9375BBCZ | Single-transmitter variant; same 300–6000 MHz range, 100 MHz Rx BW, but no ORx/SnRx channels. | Suitable for cost-sensitive single-carrier small cells where observation path is unnecessary. | Select AD9375BBCZ when ORx/SnRx functionality is not required and PCB area/power budget must be minimized. |
| AFE7769IABJ | Texas Instruments part with quad Tx/quad Rx, 12-bit resolution, and 1.2 GHz instantaneous BW-but requires external synthesizers and lacks integrated ORx. | Better suited for wideband radar/EW systems needing >500 MHz instantaneous bandwidth. | Choose AFE7769IABJ only if >250 MHz instantaneous bandwidth is mandatory and external LO design is acceptable. |
Compared with AD9371BBCZ, AD9375BBCZ reduces complexity and power (3.1 W vs. 4.86 W) but sacrifices DPD capability; AFE7769IABJ offers higher raw bandwidth but increases bill-of-materials and design effort due to external synthesizer dependency.
Availability
AD9371BBCZ is available at Aetrix Electronics and suitable for 3G/4G macro base stations, active antenna systems, and microwave backhaul equipment requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for telecom infrastructure programs.
Supply support for AD9371BBCZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and RF ICs, serving communications, industrial, automotive, and healthcare markets with precision signal processing solutions.
The AD9371BBCZ belongs to Analog Devices' RadioVerse™ transceiver family, designed specifically for software-defined radio (SDR) architectures in wireless infrastructure-emphasizing integration, spectral purity, and deterministic digital interface performance.
FAQ
What is the maximum RF input power the AD9371BBCZ can handle on its Rx ports?
The AD9371BBCZ specifies a maximum recommended CW input power of −14 dBm at its Rx1/Rx2 ports when operating at 0 dB attenuation. This limit increases linearly with analog attenuation setting; for example, at 10 dB attenuation, the safe input level rises to −4 dBm. Exceeding this level risks soft overload behavior in the continuous-time Σ-Δ ADCs, degrading SNR and introducing distortion not recoverable by digital correction. Always verify input power against the actual gain setting and attenuation configuration in your AD9371BBCZ design.
Does the AD9371BBCZ support both FDD and TDD modes simultaneously?
No-the AD9371BBCZ supports either FDD or TDD operation, but not both simultaneously within a single configuration. Its digital signal processing blocks and RF front-end timing are configured at initialization for one duplex mode. Switching between FDD and TDD requires reconfiguration of the device via SPI, including LO frequency setup, gain tables, and JESD204B lane mapping. In practice, most deployments fix the mode at boot time; dynamic runtime switching is not supported in standard firmware.
How many JESD204B lanes does the AD9371BBCZ use, and what is their allocation?
The AD9371BBCZ uses eight JESD204B lanes total: four lanes (JTX0–JTX3) are dedicated exclusively to transmitter data, and four lanes (JRX0–JRX3) carry interleaved receiver and observation receiver data. Each lane supports 614.4–6144 Mbps with deterministic latency enabled via SYSREF. The sniffer receiver data is not transported over JESD204B-it is accessed via parallel GPIO or auxiliary interfaces per the AD9371BBCZ functional block diagram.
Can the AD9371BBCZ operate with an external LO instead of its internal synthesizers?
Yes-the AD9371BBCZ provides dedicated differential external LO inputs (TX_EXTLO± and RX_EXTLO±) supporting 600–8000 MHz. The input frequency must be exactly twice the desired LO frequency (i.e., 2× integer-N multiplication). External LO mode disables the corresponding internal synthesizer and allows use of ultra-low-phase-noise sources for demanding applications like microwave backhaul. All other functions-including QEC, gain control, and JESD204B interface-remain fully operational when using external LO.
What thermal management is required for sustained operation of the AD9371BBCZ?
The AD9371BBCZ has a maximum junction temperature of 110°C and dissipates up to 4.86 W in full FDD mode. Its 12 mm × 12 mm CSP_BGA package includes an exposed thermal pad (center ground plane) that must be soldered to a minimum 400 mm² copper thermal pad on the PCB with ≥6 thermal vias (0.3 mm diameter, 1.2 mm pitch). Ambient temperature must be maintained ≤85°C, and airflow ≥200 LFM is recommended for enclosed base station enclosures. Thermal simulation per JEDEC JESD51-2 is advised before final layout sign-off for the AD9371BBCZ.
AD9371BBCZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 196-LFBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- TxRx Only
- RF Family/Standard:
- -
- Protocol:
- -
- Modulation:
- -
- Frequency:
- 300MHz ~ 6GHz
- Data Rate (Max):
- -
- Power - Output:
- 7dbm
- Sensitivity:
- -
- Memory Size:
- -
- Serial Interfaces:
- SPI
- GPIO:
- 19
- Voltage - Supply:
- 3.3V
- Current - Receiving:
- 1A
- Current - Transmitting:
- 1.1A
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 196-CSPBGA (12x12)
AD9371BBCZ FAQ
1.How can I place an order for AD9371BBCZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9371BBCZ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD9371BBCZ reliable?
The price and inventory of AD9371BBCZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9371BBCZ is usually 5 days.
3.What payment methods are accepted for AD9371BBCZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9371BBCZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9371BBCZ?
AD9371BBCZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9371BBCZ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD9371BBCZ?
For technical support, including AD9371BBCZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9371BBCZ requirements.
6.How does Aetrix verify that AD9371BBCZ is sourced from the original manufacturer or authorized distributors?
All AD9371BBCZ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD9371BBCZ meets industry standards.
7.What is the process for return or replacement of AD9371BBCZ?
All AD9371BBCZ units undergo pre-shipment inspection (PSI). If there is an issue with AD9371BBCZ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD9371BBCZ part is unused and in its original packaging.
Return procedure for AD9371BBCZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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