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Analog Devices Inc. LTC2289CUP#TRPBF
- Part No.:
- LTC2289CUP#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
LTC2289CUP#TRPBF.pdf
- Description:
- IC ADC 10BIT PIPELINED 64QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,752
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Product details
Overview
LTC2289CUP#TRPBF from Analog Devices (formerly Linear Technology) is a dual 10-bit, 80Msps low-noise analog-to-digital converter optimized for high-frequency signal digitization in communications and imaging systems. It operates from a single 3V supply (2.7V–3.4V), delivers 61.6dB SNR at 70MHz input, 85dB SFDR, and 110dB channel isolation at 100MHz, with flexible differential or single-ended analog inputs up to ±1V.
For engineers reviewing the LTC2289CUP#TRPBF datasheet, LTC2289CUP#TRPBF pinout, LTC2289CUP#TRPBF application, or LTC2289CUP#TRPBF equivalent, key selection considerations include its dual-channel pipelined architecture, clock duty cycle stabilizer, multiplexed/parallel output bus options, and QFN-64 package thermal performance for wideband spectral analysis and portable instrumentation.
Technical Context
The LTC2289CUP#TRPBF implements a six-stage CMOS pipelined ADC architecture per channel, achieving 5-cycle pipeline latency and supporting simultaneous sampling of two independent analog signals. Its integrated clock duty cycle stabilizer enables full-speed operation across 30%–70% input clock duty cycles without external correction circuitry.
Each channel features independent reference programming via SENSEA/SENSEB pins, configurable ±0.5V or ±1V input ranges, and 1.5V common-mode bias outputs (VCMA/VCMB) with ±25ppm/°C tempco. The device supports offset binary or 2's complement output formats selected by the MODE pin, and offers shutdown, nap, and sleep modes for dynamic power management.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit with no missing codes - guarantees monotonic transfer function for accurate code mapping in real-time signal processing. |
| Sample Rate | 80Msps maximum - supports Nyquist bandwidth up to 40MHz, enabling digitization of wideband RF IF signals in wireless infrastructure. |
| SNR @ 70MHz | 61.6dBFS - defines minimum detectable signal level above quantization + thermal noise floor for spectral purity-critical applications. |
| SFDR @ 70MHz | 85dBc - determines spurious-free dynamic range for multi-tone signal capture without harmonic or intermodulation masking. |
| Channel Isolation | –110dB at 100MHz - ensures minimal crosstalk between channels during simultaneous high-frequency acquisition in dual-path receivers. |
| Power Dissipation | 422mW typical at 80Msps - enables thermally constrained PCB layouts in portable test equipment and embedded radar modules. |
| Input Bandwidth | 575MHz full-power - allows direct sampling of VHF/UHF signals without front-end downconversion in software-defined radio architectures. |
Pinout & Package
Package: 64-lead (9mm × 9mm) plastic QFN with exposed thermal pad (Pin 65 = GND). Requires soldering of exposed pad to PCB ground plane for thermal and electrical integrity (θJA = 20°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AINA+, AINA– | Channel A differential analog input | Accepts ±0.5V or ±1V differential signal; requires matched 100Ω source impedance for optimal SFDR and harmonic suppression. |
| CLKA, CLKB | Independent channel clock inputs | Single-ended TTL/CMOS-compatible; rising edge triggers sample-and-hold acquisition per channel. |
| DA0–DA9, DB0–DB9 | Dual 10-bit parallel digital outputs | Configurable as separate buses or multiplexed onto one bus via MUX pin; OVDD supports 0.5V–3.6V logic interfacing. |
| SHDNA, SHDNB | Per-channel shutdown control | Enables independent power gating: nap mode reduces current to 15mW/channel; shutdown drops to 2mW/channel. |
| MODE | Output format & duty cycle stabilizer control | Selects offset binary/2's complement output and enables/disables internal clock duty cycle correction for jitter-sensitive clocks. |
| SENSEA, SENSEB | Reference programming inputs | Set input range: tied to VCMA/VCMB → ±0.5V; tied to VDD → ±1V; external voltage → ±VSENSE (max ±1V). |
Key Features
| Feature | Design Value |
|---|---|
| Integrated dual ADC cores | Two fully independent 10-bit 80Msps converters on one die - eliminates board-level matching issues and reduces system latency vs discrete solutions. |
| On-chip clock duty cycle stabilizer | Compensates for asymmetric clock waveforms without external PLL - maintains 61.6dB SNR even with 35%–65% duty cycle clocks. |
| Flexible digital output interface | MUX pin selects parallel dual-bus or time-multiplexed single-bus operation - simplifies FPGA I/O resource allocation in space-constrained designs. |
| Low transition noise | 0.08LSBRMS - minimizes code jitter in time-domain measurements such as oscilloscope front ends and transient recorders. |
| High channel isolation | –110dB at 100MHz - enables true simultaneous dual-channel acquisition in phased-array receivers and I/Q demodulators without calibration overhead. |
Applications
| Wireless Base Station Receiver | Medical Ultrasound Beamformer |
|---|---|
|
Use Scenario: Digitizing dual-channel IF signals from quadrature downconverters in LTE/5G macrocell base stations. IC Role / Device Role / Timing Role: Dual-channel ADC capturing synchronized I/Q data streams at 80Msps with <1ps aperture jitter for coherent signal processing. Use Value: 85dB SFDR prevents adjacent-channel interference masking; 110dB channel isolation preserves phase coherence between I and Q paths. |
Use Scenario: High-speed sampling of echo return signals from transducer arrays in portable ultrasound machines. IC Role / Device Role / Timing Role: Dual ADC acquiring time-aligned RF echoes from multiple receive channels for digital beamforming. Use Value: 575MHz input bandwidth supports fundamental frequency imaging up to 15MHz; low 422mW power enables battery-operated handheld units. |
| Spectrum Analyzer Front End | Portable Test & Measurement Equipment |
|
Use Scenario: Real-time FFT-based spectral monitoring in handheld RF analyzers covering 10kHz–1GHz bands. IC Role / Device Role / Timing Role: Dual ADC feeding overlapping FFT windows for continuous acquisition with zero dead time. Use Value: 61.6dB SNR ensures detection of weak signals 60dB below strong interferers; multiplexed bus reduces FPGA pin count. |
Use Scenario: Modular data acquisition modules for field-deployable vibration analysis and EMI pre-compliance testing. IC Role / Device Role / Timing Role: Dual-channel digitizer capturing synchronized analog sensor outputs with programmable gain and range. Use Value: Pin-compatible family (LTC2288/LTC2294) allows scalable resolution/speed upgrades; QFN-64 package supports compact 4-layer PCBs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9233BCPZ-80 | 12-bit, 80Msps, single-channel only; no integrated duty cycle stabilizer; requires external reference. | Higher resolution but lacks dual-channel integration - necessitates two devices and additional clock/data alignment logic. | Choose when 12-bit resolution is mandatory and board area permits dual-device layout with synchronization overhead. |
| LTC2288IUP#TRPBF | 10-bit, 65Msps, identical pinout and feature set except lower max sample rate and extended –40°C to 85°C temperature grade. | Same dual-channel architecture and interface compatibility - suitable for cost-optimized or thermally less demanding deployments. | Choose when 65Msps suffices and industrial temperature range is required; drop-in replacement with no layout changes. |
Compared with AD9233BCPZ-80, LTC2289CUP#TRPBF provides native dual-channel synchronization and clock robustness at the cost of 2-bit resolution; versus LTC2288IUP#TRPBF, it delivers 15Msps higher throughput while sharing identical footprint and control logic - making it ideal for bandwidth-constrained wideband receivers.
Availability
LTC2289CUP#TRPBF is available at Aetrix Electronics and suitable for wireless infrastructure, medical ultrasound, spectrum analysis, and portable instrumentation requiring stable component supply and long-term production continuity.
Supply support for LTC2289CUP#TRPBF 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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC2289CUP#TRPBF belongs to ADI's high-speed precision ADC product line, designed specifically for wideband, low-noise digitization in demanding communications and imaging systems where dual-channel coherence and jitter immunity are critical.
FAQ
What is the operating temperature range for the LTC2289CUP#TRPBF?
The LTC2289CUP#TRPBF is specified for commercial-grade operation from 0°C to 70°C. This is indicated by the "C" suffix in the part number and validated across all AC and DC specifications in the datasheet. For industrial applications requiring –40°C to 85°C, the LTC2289IUP#TRPBF variant is available with identical pinout and functionality.
Does the LTC2289CUP#TRPBF support single-ended analog inputs?
Yes, the LTC2289CUP#TRPBF supports single-ended analog inputs: connect the signal to AIN+ and tie AIN– to 1.5V (VCMA or VCMB). However, harmonic distortion and INL degrade compared to differential drive; SNR and DNL remain unaffected. For best performance, differential drive with matched 100Ω source impedance is recommended.
How does the clock duty cycle stabilizer in the LTC2289CUP#TRPBF improve system performance?
The clock duty cycle stabilizer in the LTC2289CUP#TRPBF corrects asymmetric input clocks internally, maintaining 61.6dB SNR even with 35%–65% duty cycle variation. This eliminates need for external clock conditioning circuits, reduces jitter-induced noise, and ensures consistent performance across diverse clock sources including FPGA-generated or crystal oscillator-derived clocks.
Can the LTC2289CUP#TRPBF's digital outputs drive 1.8V logic levels?
Yes, the LTC2289CUP#TRPBF's digital outputs support 1.8V logic levels via the OVDD supply pin. When OVDD = 1.8V, VOH is guaranteed ≥1.79V and VOL ≤0.09V at 1.6mA load, meeting standard 1.8V CMOS interface requirements. Separate OVDD allows independent logic voltage scaling without affecting analog performance.
What is the purpose of the SENSEA and SENSEB pins on the LTC2289CUP#TRPBF?
The SENSEA and SENSEB pins on the LTC2289CUP#TRPBF configure each channel's analog input range: tying to VCMA/VCMB selects ±0.5V, to VDD selects ±1V, or applying an external voltage sets ±VSENSE (up to ±1V max). This enables precise full-scale optimization for varying signal amplitudes without external gain stages.
LTC2289CUP#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 64-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 10
- Sampling Rate (Per Second):
- 80M
- Number of Inputs:
- 2
- Input Type:
- Differential, Single Ended
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 2
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 2.7V ~ 3.4V
- Voltage - Supply, Digital:
- 2.7V ~ 3.4V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 64-QFN (9x9)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2289CUP#TRPBF FAQ
1.How can I place an order for LTC2289CUP#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2289CUP#TRPBF 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 LTC2289CUP#TRPBF reliable?
The price and inventory of LTC2289CUP#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2289CUP#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2289CUP#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2289CUP#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2289CUP#TRPBF?
LTC2289CUP#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2289CUP#TRPBF 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 LTC2289CUP#TRPBF?
For technical support, including LTC2289CUP#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2289CUP#TRPBF requirements.
6.How does Aetrix verify that LTC2289CUP#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2289CUP#TRPBF 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 LTC2289CUP#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2289CUP#TRPBF?
All LTC2289CUP#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2289CUP#TRPBF, 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 LTC2289CUP#TRPBF part is unused and in its original packaging.
Return procedure for LTC2289CUP#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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