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Analog Devices Inc. DC1370A-M
- Part No.:
- DC1370A-M
- Manufacturer:
- Analog Devices Inc.
- Package:
- Datasheet:
-
DC1370A-M.pdf
- Description:
- BOARD EVAL LTC2262-14
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Product details
Overview
LTC2262-14 from Analog Devices (formerly Linear Technology) is a 14-bit, 150Msps ultralow-power analog-to-digital converter optimized for high-frequency signal digitization in communications infrastructure. It delivers 72.8dB SNR and 88dB SFDR at 70MHz input, operates from a single 1.8V supply, and supports CMOS/DDR-CMOS/DDR-LVDS outputs - enabling use in cellular base stations and portable medical imaging systems.
For engineers reviewing the LTC2262-14 datasheet, LTC2262-14 pinout, LTC2262-14 application, or LTC2262-14 equivalent, key selection criteria include its 800MHz full-power bandwidth, 0.17psRMS aperture jitter, ±1LSB INL, 40-pin QFN package, and configurable output modes with SPI register control.
Technical Context
The LTC2262-14 employs a 14-bit pipelined ADC core with integrated sample-and-hold, correction logic, and programmable clock duty cycle stabilizer. Its analog input accepts differential signals up to 2VP-P with common-mode bias set by VCM (nominally VDD/2), and supports internal or external reference via SENSE pin.
Digital interface flexibility includes serial SPI configuration (CS/SCK/SDI/SDO), three output modes (full-rate CMOS, DDR-CMOS, DDR-LVDS), and power management features: Nap mode (9mW), Sleep mode (0.5mW), and optional data randomizer to reduce spectral spurs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit with no missing codes over temperature - guarantees monotonicity and full code coverage in precision acquisition. |
| Sampling Rate | 150Msps maximum - enables Nyquist sampling of signals up to 75MHz or undersampling of IF bands up to 800MHz. |
| SNR / SFDR | 72.8dB SNR and 88dB SFDR at 70MHz - ensures high dynamic range for demanding RF receiver applications. |
| Aperture Jitter | 0.17psRMS - limits noise floor degradation when undersampling multi-MHz IF signals. |
| Power Consumption | 149mW at 150Msps (CMOS mode) - enables thermal-constrained portable and multi-channel systems. |
| Analog Input BW | 800MHz full-power bandwidth - supports wideband signal capture without front-end attenuation. |
| INL / DNL | ±1LSB INL and ±0.3LSB DNL (typical) - maintains linearity critical for measurement accuracy and spectral purity. |
Pinout & Package
40-lead (6mm × 6mm) plastic QFN package (UJ), exposed pad (Pin 41) soldered to PCB ground for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN+, AIN– | Differential analog input pair | Accepts 1–2VP-P differential signal centered at VCM; requires 180° phase match for optimal distortion performance. |
| ENC+, ENC– | Differential encode clock inputs | Trigger conversion on rising/falling edges; support single-ended drive (ENC– = GND) to reduce power. |
| VDD (Pins 9,10,40) | Analog supply | 1.7–1.9V nominal; bypassed locally with 0.1µF ceramic capacitors to minimize noise coupling into ADC core. |
| OVDD (Pin 26) | Digital output supply | Configurable 1.1–1.9V for CMOS outputs or 1.7–1.9V for LVDS - sets output swing and current drive capability. |
| D0–D13 / D0_1–D12_13 / D0_1±–D12_13± | Data output terminals | Support full-rate CMOS (14 pins), DDR-CMOS (7 pins), or DDR-LVDS (7 differential pairs) - reduces interface complexity and EMI. |
| CLKOUT+, CLKOUT– | Output clock pair | Source-synchronous timing reference for data capture; phase programmable via SPI to align with system setup/hold windows. |
| SENSE (Pin 39) | Reference programming input | Selects ±1V (SENSE = VDD), ±0.5V (SENSE = GND), or ±0.8×VSENSE (external 0.625–1.3V) input range. |
| PAR/SER (Pin 8) | Programming mode select | Ground = serial SPI mode (CS/SCK/SDI/SDO active); VDD = parallel mode (CS/SCK/SDI repurposed for hardware control). |
Key Features
| Feature | Design Value |
|---|---|
| Single 1.8V supply operation | Eliminates dual-supply design complexity and reduces BOM count while maintaining 72.8dB SNR performance. |
| Selectable output interface | Hardware- or SPI-configurable CMOS / DDR-CMOS / DDR-LVDS - adapts to host processor I/O constraints and noise environment. |
| Optional clock duty cycle stabilizer | Compensates for non-50% encode clock duty cycles without external circuitry - preserves timing margins at full 150Msps rate. |
| SPI-configurable operating modes | Enables runtime adjustment of data randomizer, output polarity, clock delay, and power modes - supports adaptive system tuning. |
| Low-power Nap and Sleep modes | Reduces power to 9mW (Nap) or 0.5mW (Sleep) during idle periods - extends battery life in portable instrumentation. |
Applications
| Cellular Base Stations | Software Defined Radios |
|---|---|
Use Scenario: Digitizing 70–140MHz IF signals in multi-carrier LTE/Air interface receivers. IC Role / Device Role / Timing Role: High-speed ADC capturing wideband RF channels with minimal quantization noise and harmonic distortion. Use Value: 88dB SFDR prevents adjacent channel interference; 0.17psRMS jitter maintains EVM under tight 5G NR modulation specs. |
Use Scenario: Reconfigurable waveform processing in field-deployable military/comms radios. IC Role / Device Role / Timing Role: Flexible-resolution, multi-mode ADC supporting rapid switching between narrowband and wideband modes. Use Value: SPI-programmable output format and power modes enable real-time adaptation without FPGA reconfiguration. |
| Portable Medical Imaging | Multi-Channel Data Acquisition |
Use Scenario: Ultrasound beamforming with time-of-flight precision requiring low-noise analog front-end digitization. IC Role / Device Role / Timing Role: Low-jitter, low-power ADC interfacing with analog beamformer ICs in handheld ultrasound probes. Use Value: 149mW power budget allows integration into battery-powered devices; 72.8dB SNR preserves tissue contrast resolution. |
Use Scenario: Simultaneous sampling across 8+ channels in industrial vibration monitoring or seismic sensing systems. IC Role / Device Role / Timing Role: Pin-compatible 14-bit/12-bit family member enabling scalable channel density without layout redesign. Use Value: 40-pin QFN footprint and identical pinout with LTC2261/LTC2260 allow drop-in resolution upgrades in existing PCB designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9246BCPZ-150 | 14-bit, 150Msps; 74.5dB SNR, 90dB SFDR; 3.3V/1.8V dual supply; LVDS-only outputs. | Higher SFDR but requires dual supply and lacks CMOS/DDR-CMOS flexibility - better suited for fixed-architecture, noise-isolated systems. | Choose AD9246BCPZ-150 when SFDR >90dB is mandatory and board space allows dual-supply filtering. |
| LTC2261IUJ-14 | Same 40-pin QFN package and pinout; 125Msps max sampling rate; 138mW power at 125Msps. | Lower speed and power - ideal for cost-sensitive or thermally constrained applications where 150Msps is unnecessary. | Choose LTC2261IUJ-14 for lower-cost, lower-power alternatives within identical mechanical and layout footprint. |
Compared with AD9246BCPZ-150 and LTC2261IUJ-14, the LTC2262-14 uniquely balances 150Msps speed, ultralow 149mW power, single-supply simplicity, and triple-output-mode flexibility - making it optimal for portable, multi-standard, and space-constrained RF systems.
Availability
LTC2262-14 is available at Aetrix Electronics and suitable for cellular base stations, software defined radios, and portable medical imaging systems requiring stable component supply across extended product lifecycles.
Supply support for LTC2262-14 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. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies.
The LTC2262-14 belongs to Linear's high-speed ADC product line, designed specifically for demanding communications and instrumentation applications requiring exceptional dynamic range, low power, and flexible digital interfacing.
FAQ
What is the maximum sampling rate supported by the LTC2262-14?
The LTC2262-14 supports a maximum sampling rate of 150Msps, validated across its full operating temperature range (–40°C to 85°C for the I-grade version). This rate is specified under recommended conditions: VDD = OVDD = 1.8V, differential encode input, and 2VP-P analog input range. Performance metrics including SNR and SFDR are guaranteed at this rate.
Does the LTC2262-14 require an external reference voltage?
No - the LTC2262-14 includes an internal 1.25V reference (VREF) with ±25ppm/°C drift and supports external reference via the SENSE pin. When SENSE is tied to VDD or GND, the device auto-configures for ±1V or ±0.5V input ranges respectively; applying 0.625–1.3V to SENSE selects ±0.8×VSENSE range, eliminating need for external reference ICs in most designs.
How does the LTC2262-14 manage power consumption in low-activity states?
The LTC2262-14 provides two low-power states: Nap mode (9mW) and Sleep mode (0.5mW), both accessible via SPI register writes or hardware pins (SDI = high for Sleep in parallel mode). These modes retain register settings and reference bias, enabling sub-microsecond wake-up - critical for burst-mode receivers and battery-powered test equipment using the LTC2262-14.
Can the LTC2262-14 interface directly with an FPGA using LVDS inputs?
Yes - the LTC2262-14 supports DDR-LVDS output mode with programmable 1.75mA or 3.5mA current drive and optional on-chip 100Ω termination. Its differential outputs (D0_1± through D12_13±, OF±, CLKOUT±) meet ANSI TIA/EIA-644 LVDS specifications and interface directly with FPGA LVDS I/O banks without external termination or level-shifting circuitry when OVDD = 1.8V.
Is the LTC2262-14 pin-compatible with other devices in the LTC226x family?
Yes - the LTC2262-14 shares identical 40-pin QFN (6mm × 6mm) UJ package and pinout with the LTC2261-14 (125Msps) and LTC2260-14 (105Msps), enabling direct drop-in replacement for resolution- or speed-scaling without PCB redesign. All share common power, reference, and control pin assignments, simplifying platform-based product development using the LTC2262-14.
DC1370A-M Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Box
- Product Status:
- Active
- Number of A/D Converters:
- 1
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 150M
- Data Interface:
- Parallel, Serial, SPI
- Input Range:
- 1 ~ 2Vpp
- Power (Typ) @ Conditions:
- 231mW @ 150MSPS
- Utilized IC / Part:
- LTC2262-14
- Contents:
- Board(s)
DC1370A-M FAQ
1.How can I place an order for DC1370A-M through Aetrix?
Please submit a Request for Quotation (RFQ) for DC1370A-M 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 DC1370A-M reliable?
The price and inventory of DC1370A-M are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DC1370A-M is usually 5 days.
3.What payment methods are accepted for DC1370A-M?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DC1370A-M transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DC1370A-M?
DC1370A-M orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DC1370A-M 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 DC1370A-M?
For technical support, including DC1370A-M datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DC1370A-M requirements.
6.How does Aetrix verify that DC1370A-M is sourced from the original manufacturer or authorized distributors?
All DC1370A-M 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 DC1370A-M meets industry standards.
7.What is the process for return or replacement of DC1370A-M?
All DC1370A-M units undergo pre-shipment inspection (PSI). If there is an issue with DC1370A-M, 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 DC1370A-M part is unused and in its original packaging.
Return procedure for DC1370A-M:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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