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Analog Devices Inc. LTC2287IUP#TRPBF
- Part No.:
- LTC2287IUP#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
LTC2287IUP#TRPBF.pdf
- Description:
- IC ADC 10BIT PIPELINED 64QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,081
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Product details
Overview
LTC2287IUP#TRPBF from Analog Devices (formerly Linear Technology) is a dual 10-bit, 40Msps low-noise analog-to-digital converter operating from a single 3V supply. It delivers 61.8dB SNR and 85dB SFDR at Nyquist, with 110dB channel isolation at 100MHz and 575MHz full-power bandwidth. Designed for high-fidelity digitization in communications receivers and medical ultrasound front-ends.
For engineers reviewing the LTC2287IUP#TRPBF datasheet, LTC2287IUP#TRPBF pinout, LTC2287IUP#TRPBF application, or LTC2287IUP#TRPBF equivalent, key selection criteria include dual-channel interleaving capability, flexible ±0.5V to ±1V input range via SENSE pins, clock duty cycle stabilization, and multiplexed/parallel digital output bus configuration.
Technical Context
The LTC2287IUP#TRPBF implements a six-stage CMOS pipelined ADC architecture per channel, achieving 5-cycle pipeline latency and supporting independent or synchronized sampling of two analog inputs. Its internal 1.5V reference buffer (VCMA/VCMB) and programmable input range (via SENSEA/SENSEB) enable precise DC-coupled signal acquisition.
It features dual independent clock inputs (CLKA/CLKB), configurable output format (offset binary or 2's complement via MODE pin), and three power states-normal, nap (15mW/channel), and shutdown (2mW/channel)-controlled by SHDNA/SHDNB and OEA/OEB pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit with no missing codes - guarantees monotonic transfer function for precision measurement systems. |
| Sampling Rate | 40Msps - supports real-time digitization of IF signals up to 20MHz without aliasing. |
| SNR | 61.8dB at 5MHz input - enables >10 effective bits of dynamic resolution in baseband applications. |
| SFDR | 85dB at 5MHz input - suppresses spurious tones critical for spectral analysis and multi-carrier communication. |
| Channel Isolation | –110dB at 100MHz - prevents crosstalk-induced distortion in dual-path receivers and I/Q demodulators. |
| Full-Power Bandwidth | 575MHz - preserves amplitude fidelity for wideband RF sampling up to L-band frequencies. |
| Power Dissipation | 235mW at 40Msps - balances performance and thermal load in space-constrained portable instrumentation. |
Pinout & Package
64-pin (9mm × 9mm) plastic QFN package with exposed GND pad (Pin 65) requiring PCB soldering for thermal and electrical integrity. Pin count and layout match LTC2288/LTC2286 family for board-level compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AINA+/AINA–, AINB+/AINB– | Differential analog inputs (Ch A/B) | Accept ±0.5V to ±1V differential signals; require matched trace routing for optimal CMRR & SFDR. |
| CLKA/CLKB | Independent sampling clock inputs | Positive-edge triggered; support asynchronous or phase-aligned dual-channel sampling. |
| DA0–DA9 / DB0–DB9 | Parallel digital outputs (Ch A/B) | 10-bit LSB-first data buses; configurable as separate or multiplexed via MUX pin. |
| SHDNA/SHDNB, OEA/OEB | Per-channel power and output control | Enable independent nap/shutdown modes and high-impedance output states per channel. |
| SENSEA/SENSEB | Input range programming pins | Select ±0.5V (tie to VCMA/VCMB), ±1V (tie to VDD), or custom range (external voltage 0.5–1V). |
Key Features
| Feature | Design Value |
|---|---|
| Clock Duty Cycle Stabilizer | Enables full 40Msps performance with input clocks having 40%–60% duty cycle-eliminates external clock conditioning circuitry. |
| Dual Independent Reference Paths | Separate REFHA/REFLA and REFHB/REFLB pins per channel allow isolated analog front-end design and minimize inter-channel coupling. |
| Multiplexed Output Bus | Single 10-bit bus shared by both channels via MUX pin-reduces FPGA I/O count and PCB routing complexity in space-limited designs. |
| Low Aperture Jitter | 0.2psRMS aperture jitter limits SNR degradation at high input frequencies-critical for undersampling >50MHz signals. |
| Flexible Output Drive | Separate OVDD supply (0.5V–3.6V) allows direct interfacing to 1.8V, 2.5V, or 3.3V logic without level shifters. |
Applications
| Communications Receiver | Medical Ultrasound Imaging |
|---|---|
Use Scenario: Digitizing dual IF outputs from quadrature downconverters in LTE/WiMAX base stations. IC Role / Device Role / Timing Role: Dual-channel synchronous ADC capturing I/Q signal pairs with <110dB isolation to preserve EVM and ACLR. Use Value: 85dB SFDR ensures clean spectral reconstruction of multi-carrier waveforms without adjacent-channel interference. | Use Scenario: Beamforming front-end in portable ultrasound systems acquiring echo return signals from transducer arrays. IC Role / Device Role / Timing Role: High-fidelity digitizer for time-of-flight measurements with 61.8dB SNR enabling sub-millimeter spatial resolution. Use Value: 575MHz input bandwidth supports harmonic imaging modes up to 15MHz transducer center frequencies. |
| Spectral Analysis Instrumentation | Portable Test Equipment |
Use Scenario: Real-time spectrum analyzer capturing 20MHz instantaneous bandwidth for EMC pre-compliance testing. IC Role / Device Role / Timing Role: Dual ADC providing simultaneous capture of in-phase and quadrature components for FFT-based frequency-domain analysis. Use Value: 40Msps sampling rate with 61.8dB SNR yields >10-bit ENOB across 0–20MHz span-meeting IEEE 1057 Class B accuracy requirements. | Use Scenario: Handheld oscilloscope module digitizing analog sensor outputs in field-deployable condition monitoring tools. IC Role / Device Role / Timing Role: Low-power dual ADC enabling battery operation while maintaining 10-bit resolution and 40Msps throughput. Use Value: 235mW total power and nap mode (15mW/channel) extend runtime without compromising dynamic range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC2288IUP#TRPBF | 65Msps sample rate, 400mW power, identical pinout and feature set | Higher-speed IF sampling; requires faster clock and wider data bus | Select when system demands >40Msps throughput and can accommodate higher power and timing margin. |
| AD9233BCPZ-40 | Single-channel 12-bit, 40Msps, 70dB SNR, different pinout and interface | No dual-channel integration; requires two devices and external synchronization | Choose when 12-bit resolution is mandatory and board area allows dual-device layout with matching clock distribution. |
Compared with LTC2288IUP#TRPBF, the LTC2287IUP#TRPBF trades 25Msps headroom for 165mW lower power; versus AD9233BCPZ-40, it provides integrated dual-channel operation and superior channel isolation but at 10-bit resolution-making it optimal for cost-sensitive, space-constrained dual-path systems where 61.8dB SNR suffices.
Availability
LTC2287IUP#TRPBF is available at Aetrix Electronics and suitable for communications infrastructure, medical imaging equipment, and portable test instrumentation requiring stable component supply across extended temperature ranges (–40°C to +85°C).
Supply support for LTC2287IUP#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 LTC2287 belongs to ADI's high-speed precision ADC product line, engineered specifically for demanding dual-channel digitization in RF, instrumentation, and medical applications where channel matching, low noise, and flexible power management are essential.
FAQ
What is the operating temperature range for the LTC2287IUP#TRPBF?
The LTC2287IUP#TRPBF is specified for industrial operation from –40°C to +85°C (I-grade). This range is confirmed in the "PACKAGE/ORDER INFORMATION" table and supported by temperature-tracked specifications including INL, DNL, SNR, and SFDR across the full span. The device uses the same 64-pin QFN package as the C-grade (0°C to 70°C) variant but undergoes extended burn-in and characterization.
Does the LTC2287IUP#TRPBF support single-ended analog inputs?
Yes, the LTC2287IUP#TRPBF supports single-ended analog inputs, though differential drive is recommended for optimal AC performance. The datasheet specifies single-ended input common-mode range as 0.5V to 2.0V (at VDD = 3V), and Figure 1's functional block diagram shows the S/H accepts either configuration. However, harmonic distortion degrades relative to differential mode-SFDR drops ~10dB at 30MHz input when driven single-ended.
How does the MODE pin configure output format and clock stabilization on the LTC2287IUP#TRPBF?
The MODE pin on the LTC2287IUP#TRPBF selects both output coding and clock duty cycle stabilizer state: GND = offset binary + stabilizer off; 1/3 VDD = offset binary + stabilizer on; 2/3 VDD = 2's complement + stabilizer on; VDD = 2's complement + stabilizer off. This dual-function control is explicitly defined in the "PIN FUNCTIONS" section (Page 12) and applies identically to both channels.
Can the LTC2287IUP#TRPBF operate with separate clock sources for Channel A and Channel B?
Yes, the LTC2287IUP#TRPBF supports fully independent clocking via CLKA (Pin 8) and CLKB (Pin 9), each triggering sampling on its respective channel. The timing diagrams (Pages 14–15) show asynchronous operation, and the "TIMING CHARACTERISTICS" table lists separate tL/tH min/max for each clock. This enables flexible configurations such as staggered sampling or independent channel enablement.
What is the purpose of the exposed pad (Pin 65) on the LTC2287IUP#TRPBF package?
The exposed pad (Pin 65) on the LTC2287IUP#TRPBF is electrically connected to GND and serves dual thermal and electrical functions: it must be soldered to a PCB thermal pad for effective heat dissipation (θJA = 20°C/W), and it provides low-inductance grounding for analog and digital sections. The "TOP VIEW" diagram (Page 2) and "ABSOLUTE MAXIMUM RATINGS" note explicitly require soldering this pad to maintain specified performance and reliability.
LTC2287IUP#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):
- 40M
- 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:
- -40°C ~ 85°C
- Supplier Device Package:
- 64-QFN (9x9)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2287IUP#TRPBF FAQ
1.How can I place an order for LTC2287IUP#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2287IUP#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 LTC2287IUP#TRPBF reliable?
The price and inventory of LTC2287IUP#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2287IUP#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2287IUP#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2287IUP#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2287IUP#TRPBF?
LTC2287IUP#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2287IUP#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 LTC2287IUP#TRPBF?
For technical support, including LTC2287IUP#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2287IUP#TRPBF requirements.
6.How does Aetrix verify that LTC2287IUP#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2287IUP#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 LTC2287IUP#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2287IUP#TRPBF?
All LTC2287IUP#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2287IUP#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 LTC2287IUP#TRPBF part is unused and in its original packaging.
Return procedure for LTC2287IUP#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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