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Analog Devices Inc. LTC1407CMSE#TRPBF
- Part No.:
- LTC1407CMSE#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
LTC1407CMSE#TRPBF.pdf
- Description:
- IC ADC 12BIT PIPELINED 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,336
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Product details
Overview
LTC1407CMSE#TRPBF from Analog Devices (formerly Linear Technology) is a 14-bit, 3Msps simultaneous-sampling dual-channel ADC with two fully differential inputs, 1.5Msps per channel throughput, 80dB CMRR at 100kHz, and operation from a single 3V supply. It delivers 70.5dB SINAD at 100kHz input and supports telecommunication I/Q demodulation and multiphase motor control.
For engineers reviewing the LTC1407CMSE#TRPBF datasheet, LTC1407CMSE#TRPBF pinout, LTC1407CMSE#TRPBF application, or LTC1407CMSE#TRPBF equivalent, key selection criteria include simultaneous sampling accuracy, low-power shutdown modes (10μW Sleep), differential input range (0V–2.5V), MSOP-10 package constraints, and serial interface timing compatibility with FPGA or microcontroller SPI peripherals.
Technical Context
The LTC1407CMSE#TRPBF implements two independent sample-and-hold circuits triggered simultaneously on the rising edge of CONV, followed by interleaved 14-bit successive-approximation conversions at 1.5Msps per channel. Its internal 2.5V bandgap reference is factory-trimmed to ±15ppm/°C tempco and supports external overdrive from 2.55V to VDD.
It uses a 3-wire serial interface (SCK, CONV, SDO) with 32-clock data framing for dual-channel output, supports Nap (3mW) and Sleep (10μW) shutdown modes via multi-pulse CONV sequencing, and achieves 50MHz full-power bandwidth with 39ns acquisition time and 200ps inter-channel aperture skew.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit (LTC1407A variant); ensures 153μV LSB step size for 0V–2.5V differential input span |
| Sampling Rate | 3Msps aggregate / 1.5Msps per channel; enables real-time capture of signals up to 750kHz Nyquist frequency |
| SINAD | 70.5dB at 100kHz input; guarantees ≥11.5 ENOB for high-fidelity signal digitization in telecom and instrumentation |
| CMRR | 80dB at 100kHz; suppresses ground-loop noise and common-mode interference in noisy industrial environments |
| Supply Current | 4.7mA typical active mode; enables battery-powered portable data acquisition with <15mW total power dissipation |
| Shutdown Power | 10μW Sleep mode; allows ultra-low-power wake-on-event architectures without external power gating |
| Input Range | 0V to 2.5V differential (unipolar); compatible with single-supply sensor interfaces and op-amp drivers referenced to ground |
Pinout & Package
Package: 10-lead MSOP (MSE), exposed pad soldered to PCB ground plane (θJA = 40°C/W, TJMAX = 150°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CH0+ (Pin 1) | Noninverting analog input, Channel 0 | Differential pair with CH0–; accepts 0–VDD absolute voltage, contributes to 0–2.5V differential swing |
| CH0– (Pin 2) | Inverting analog input, Channel 0 | Completes differential pair; common-mode range 0–VDD; enables rejection of shared noise sources |
| VREF (Pin 3) | Internal 2.5V reference output | Bypassed with 10μF + 0.1μF capacitors; can be overdriven by external 2.55–VDD reference for improved accuracy |
| CH1+ (Pin 4) | Noninverting analog input, Channel 1 | Simultaneously sampled with CH0+; matched acquisition path ensures phase-coherent dual-channel capture |
| CH1– (Pin 5) | Inverting analog input, Channel 1 | Paired with CH1+; 200ps aperture skew vs CH0± guarantees sub-degree phase alignment for I/Q systems |
| GND (Pins 6, 11) | Analog/digital ground & exposed pad | Single-point grounding node; exposed pad must be soldered to solid PCB ground plane for thermal and noise performance |
| VDD (Pin 7) | 3V analog/digital supply | Single supply rail; requires local 10μF + 0.1μF bypassing; powers internal reference, S&H, and digital logic |
| SDO (Pin 8) | Three-state serial data output | Outputs 32-bit frame (14-bit CH0 + 14-bit CH1) on SCK rising edges; Hi-Z when SCK inactive |
| SCK (Pin 9) | Serial clock input | Drives conversion timing and data serialization; minimum pulse width 2ns; controls Nap/Sleep entry via fixed-state pulses |
| CONV (Pin 10) | Convert start trigger | Rising edge initiates simultaneous sampling; multi-pulse sequence enters Nap (2 pulses) or Sleep (4+ pulses) mode |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous differential sampling | Enables true time-aligned capture of two analog signals (e.g., I/Q, phase A/B) without inter-channel timing error |
| 80dB CMRR at 100kHz | Eliminates need for external instrumentation amplifiers in noisy industrial settings with long sensor cables |
| 10μW Sleep shutdown | Reduces system standby power to microwatt levels-critical for always-on edge sensors and battery-backed DAQ |
| Internal 2.5V reference with external overdrive | Provides stable conversion reference without external components, while allowing precision calibration via external VREF |
| MSOP-10 package with exposed pad | Delivers 3Msps dual-channel performance in 3mm × 3mm footprint-ideal for space-constrained portable medical and test equipment |
Applications
| Telecommunications I/Q Demodulation | Multiphase Motor Control |
|---|---|
|
Use Scenario: Digitizing in-phase (I) and quadrature (Q) baseband signals from RF downconverters in 4G/5G infrastructure. IC Role / Device Role / Timing Role: Simultaneous sampling ADC capturing I and Q channels with <200ps inter-channel skew to preserve phase coherence. Use Value: Enables direct digital downconversion without interpolation or skew compensation firmware, reducing FPGA resource usage by 35%. |
Use Scenario: Real-time current sensing across three motor phases using shunt resistors and isolated amplifiers. IC Role / Device Role / Timing Role: Dual-channel ADC acquiring phase A and B currents synchronously to compute torque vector in field-oriented control. Use Value: Eliminates timing-induced torque ripple (<0.5%) by guaranteeing sub-ns sampling alignment between current feedback paths. |
| Data Acquisition Systems | Uninterruptible Power Supplies (UPS) |
|
Use Scenario: Portable oscilloscope front-end digitizing dual-channel analog waveforms at 1.5Msps/channel. IC Role / Device Role / Timing Role: High-speed, low-power ADC enabling 12-bit effective resolution in handheld test equipment with 8-hour battery life. Use Value: Achieves 70.5dB SINAD at 100kHz while consuming only 14mW-doubling runtime versus competing 14-bit ADCs. |
Use Scenario: Monitoring AC line voltage and battery voltage during grid failure transitions in online UPS units. IC Role / Device Role / Timing Role: Simultaneous sampling of line and DC bus voltages to detect zero-crossing and sag events within 1μs. Use Value: Reduces detection latency by 90% compared to sequential sampling, enabling <2ms switchover to battery backup. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel simultaneous-sampling ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8860IDRCT | 16-bit, 1Msps, single-channel SAR ADC; no simultaneous sampling; SPI interface with busy indicator | Requires external synchronization logic for dual-channel use; lacks integrated reference and Sleep mode | Select when higher resolution (16-bit) is prioritized over simultaneous capture and ultra-low-power shutdown |
| AD7903BRUZ | 16-bit, 1Msps dual-channel SAR ADC; simultaneous sampling; internal reference; 2.5V supply; TSSOP-16 package | Lower sampling rate (1Msps vs 3Msps); larger footprint; higher active current (12mA vs 4.7mA) | Select when 16-bit resolution and proven industrial reliability outweigh need for 3Msps speed and MSOP-10 size |
Compared with ADS8860IDRCT and AD7903BRUZ, the LTC1407CMSE#TRPBF uniquely balances 14-bit resolution, 3Msps aggregate sampling, simultaneous dual-channel acquisition, and 10μW Sleep mode in a 3mm × 3mm MSOP-making it optimal for portable, phase-critical, and battery-sensitive applications where timing alignment and power efficiency are non-negotiable.
Availability
LTC1407CMSE#TRPBF is available at Aetrix Electronics and suitable for telecommunications infrastructure, industrial motor drives, portable data acquisition systems, and uninterruptible power supplies requiring stable component supply across extended production lifecycles.
Supply support for LTC1407CMSE#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 (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving aerospace, industrial, automotive, and communications markets.
The LTC1407 series belongs to Linear Technology's precision high-speed data converter product line, designed specifically for applications demanding simultaneous sampling, low power, and small form factor-such as portable instrumentation and real-time control systems.
FAQ
What is the guaranteed resolution and effective number of bits (ENOB) for LTC1407CMSE#TRPBF?
The LTC1407CMSE#TRPBF is the A-grade variant, specified for 14-bit resolution with no missing codes. At 100kHz input frequency, it delivers 70.5dB SINAD, corresponding to ≥11.5 ENOB. This is confirmed in the datasheet's Typical Performance Characteristics (Figure G01) and Converter Characteristics table under LTC1407A specifications.
Does LTC1407CMSE#TRPBF support true simultaneous sampling across both channels?
Yes, LTC1407CMSE#TRPBF uses two independent sample-and-hold circuits triggered by the same rising edge of the CONV signal, ensuring truly simultaneous capture of CH0 and CH1 inputs. The datasheet specifies 200ps maximum aperture skew between channels, validated in the Dynamic Accuracy section and Timing Diagrams.
What are the power consumption modes of LTC1407CMSE#TRPBF and how are they activated?
LTC1407CMSE#TRPBF offers three power states: Active (4.7mA), Nap (1.1mA), and Sleep (10μW). Nap mode is entered with two CONV pulses while SCK is held static; Sleep mode requires four or more such pulses. These are detailed in the Features list and Timing Diagrams (TD02), with current values specified in the Power Requirements table.
Can LTC1407CMSE#TRPBF operate with an external reference voltage, and what are the requirements?
Yes, LTC1407CMSE#TRPBF allows external overdrive of its internal 2.5V reference via the VREF pin. The external voltage must be ≥2.55V and ≤VDD (max 3.6V), as stated in the Internal Reference Characteristics table and Applications Information section. Load current reaches up to 3mA during conversion, so the external source must support this transient demand.
What is the absolute input voltage range and common-mode rejection capability of LTC1407CMSE#TRPBF?
The absolute voltage at CH0+, CH0–, CH1+, and CH1– must remain within 0V to VDD (2.7–3.6V). Differential input range is 0V–2.5V. CMRR is guaranteed at 80dB at 100kHz (per Features list) and remains >60dB up to 1MHz (per Figure G08), enabling robust operation in electrically noisy environments like motor drives and power supplies.
LTC1407CMSE#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 3M
- Number of Inputs:
- 2
- Input Type:
- Differential, Single Ended
- Data Interface:
- SPI
- Configuration:
- S/H-MUX-ADC
- Ratio - S/H:ADC:
- 2:1
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 2.7V ~ 3.6V
- Voltage - Supply, Digital:
- 2.7V ~ 3.6V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 10-MSOP-EP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC1407CMSE#TRPBF FAQ
1.How can I place an order for LTC1407CMSE#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1407CMSE#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 LTC1407CMSE#TRPBF reliable?
The price and inventory of LTC1407CMSE#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1407CMSE#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC1407CMSE#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1407CMSE#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1407CMSE#TRPBF?
LTC1407CMSE#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1407CMSE#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 LTC1407CMSE#TRPBF?
For technical support, including LTC1407CMSE#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1407CMSE#TRPBF requirements.
6.How does Aetrix verify that LTC1407CMSE#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC1407CMSE#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 LTC1407CMSE#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC1407CMSE#TRPBF?
All LTC1407CMSE#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1407CMSE#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 LTC1407CMSE#TRPBF part is unused and in its original packaging.
Return procedure for LTC1407CMSE#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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