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Analog Devices Inc. LTC1407IMSE#TRPBF
- Part No.:
- LTC1407IMSE#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
LTC1407IMSE#TRPBF.pdf
- Description:
- IC ADC 12BIT PIPELINED 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,535
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Product details
Overview
LTC1407IMSE#TRPBF from Analog Devices (formerly Linear Technology) is a 14-bit, 3Msps simultaneous-sampling dual-channel ADC with two fully differential 1.5Msps input channels, 80dB CMRR at 100kHz, 2.5V internal reference, and 10-lead MSOP package. It operates from a single 3V supply, draws 4.7mA active current, and supports telecommunication I/Q demodulation and multiphase motor control.
For engineers reviewing the LTC1407IMSE#TRPBF datasheet, LTC1407IMSE#TRPBF pinout, LTC1407IMSE#TRPBF application, or LTC1407IMSE#TRPBF equivalent, key selection criteria include simultaneous sampling skew (≤200ps), unipolar 0V–2.5V differential input range, 3-wire serial interface timing, and industrial temperature range (–40°C to +85°C).
Technical Context
The LTC1407IMSE#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 ±0.5LSB gain error and exhibits 15ppm/°C tempco.
Digital output uses a 3-wire serial interface (SCK, CONV, SDO) delivering two 14-bit words in 32 clock cycles. Sleep mode reduces power to 10μW via four CONV pulses with SCK held static; Nap mode (3mW) requires two pulses. Aperture jitter is 0.3ps RMS, and inter-channel aperture skew is 200ps max.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit (LTC1407A variant); delivers 153μV LSB step size for 0V–2.5V full-scale range |
| Sampling Rate | 3Msps aggregate (1.5Msps per channel); enables real-time capture of signals up to 5MHz full-power bandwidth |
| CMRR | 80dB at 100kHz; suppresses ground-loop noise and common-mode interference in noisy industrial environments |
| Supply Current | 4.7mA typical at 3V; supports portable and battery-sensitive applications without thermal derating |
| Input Range | 0V to 2.5V differential (CH0+, CH0–, CH1+, CH1–); absolute pin voltage range extends from GND to VDD |
| Aperture Skew | 200ps max between CH0 and CH1; ensures phase-matched acquisition for I/Q signal processing |
| THD | –86dB at 100kHz (first 5 harmonics); meets dynamic fidelity requirements for telecom baseband receivers |
Pinout & Package
Package: 10-lead plastic MSOP (MSE), exposed pad (Pin 11) tied to GND. Thermal resistance θJA = 40°C/W; exposed pad must be soldered to PCB ground plane for thermal and noise performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CH0+ (Pin 1) | Noninverting analog input, Channel 0 | Accepts 0V–2.5V differential swing vs CH0–; absolute voltage range: 0V to VDD |
| CH0– (Pin 2) | Inverting analog input, Channel 0 | Completes differential pair with CH0+; supports true differential signaling and common-mode rejection |
| VREF (Pin 3) | 2.5V internal reference output | Bypassed with 10μF + 0.1μF capacitors; can be overdriven by external 2.55V–VDD reference |
| CH1+ (Pin 4) | Noninverting analog input, Channel 1 | Simultaneously sampled with CH0+; identical electrical specs and layout sensitivity |
| CH1– (Pin 5) | Inverting analog input, Channel 1 | Enables matched dual-channel acquisition for vector measurements and phase-critical applications |
| GND (Pins 6, 11) | Analog/digital ground & exposed pad | Single low-impedance return path for analog currents and digital outputs; exposed pad must be soldered |
| VDD (Pin 7) | 3V supply input | Powers entire device; requires local 10μF + 0.1μF bypassing to minimize supply-induced noise |
| SDO (Pin 8) | Three-state serial data output | Outputs 32-bit frame (two 14-bit words + framing bits); high-impedance when SCK inactive |
| SCK (Pin 9) | Serial clock input | Rising-edge synchronized; controls conversion sequencing and data readout timing |
| CONV (Pin 10) | Convert start / mode control | Rising edge initiates simultaneous sampling; pulse count selects Nap (2 pulses) or Sleep (4+ pulses) |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous sampling | Guarantees phase-coherent acquisition across both channels-critical for I/Q demodulation and motor current sensing |
| 80dB CMRR at 100kHz | Eliminates ground-loop errors in distributed sensor systems without requiring isolated front-ends |
| 10μW Sleep mode | Enables ultra-low-power wake-on-event architectures in battery-powered data loggers and remote monitors |
| 3-wire serial interface | Reduces GPIO count and PCB routing complexity versus parallel-output ADCs; compatible with standard SPI controllers |
| Industrial temperature grade | Specified from –40°C to +85°C (I-grade); ensures stable INL, offset match, and timing across harsh operating environments |
Applications
| Telecommunications I/Q Demodulation | Multiphase Motor Control |
|---|---|
|
Use Scenario: Capturing in-phase and quadrature baseband signals from RF downconverters in wireless infrastructure equipment. IC Role / Device Role / Timing Role: Simultaneous sampling ADC providing time-aligned CH0 (I) and CH1 (Q) digitization at 1.5Msps each. Use Value: 200ps inter-channel skew preserves phase integrity for accurate complex envelope reconstruction and EVM < 3%. |
Use Scenario: Real-time current sensing of three-phase motor windings using shunt resistors and isolation amplifiers. IC Role / Device Role / Timing Role: Dual-channel ADC acquiring phase A and B currents at exact same instant for field-oriented control (FOC). Use Value: 80dB CMRR rejects PWM switching noise; 14-bit resolution resolves torque ripple below 0.1% full scale. |
| Data Acquisition Systems | Uninterruptible Power Supplies (UPS) |
|
Use Scenario: High-speed monitoring of multiple analog sensors (voltage, temperature, vibration) in industrial PLCs. IC Role / Device Role / Timing Role: Compact dual-input ADC enabling two-channel synchronous measurement without external multiplexing. Use Value: Tiny 10-lead MSOP saves board space; 3V single supply simplifies power architecture versus ±5V alternatives. |
Use Scenario: Input/output voltage and battery current monitoring during AC line failure and inverter switchover events. IC Role / Device Role / Timing Role: Simultaneous sampling of AC input and DC bus voltages to detect zero-crossing and validate transfer timing. Use Value: Sleep mode (10μW) extends backup runtime; 2.5V internal reference ensures consistent accuracy across wide temperature swings. |
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 |
|---|---|---|---|
| ADS8327IDRCT | 16-bit, 1Msps, single-supply 2.7–5.5V, no internal reference, SPI-compatible interface | Higher resolution but lower speed; requires external reference and driver; larger 10-pin VSSOP package | Select when 16-bit precision outweighs 1.5Msps throughput need and external reference design is acceptable |
| AD7357BRUZ | 14-bit, 4.2Msps, dual 2.1Msps, internal reference, 32-lead LFCSP, higher power (18mW) | Faster sampling but larger footprint and higher thermal load; superior SFDR (90dB) for demanding RF applications | Select when >3Msps aggregate rate is required and PCB area allows 5mm × 5mm LFCSP |
Compared with ADS8327IDRCT and AD7357BRUZ, the LTC1407IMSE#TRPBF uniquely balances 14-bit resolution, 3Msps aggregate speed, ultra-low 10μW sleep power, and compact MSOP packaging-making it optimal for space-constrained, battery-aware industrial and telecom edge nodes.
Availability
LTC1407IMSE#TRPBF is available at Aetrix Electronics and suitable for telecommunications infrastructure, industrial motor control, uninterruptible power supplies, and portable data acquisition systems requiring stable component supply across extended temperature ranges.
Supply support for LTC1407IMSE#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) designs high-performance analog, mixed-signal, and RF ICs for precision signal chain applications.
The LTC1407 series belongs to Linear's high-speed precision ADC product line, engineered specifically for simultaneous-sampling, low-power, and small-footprint applications in communications, industrial automation, and energy systems.
FAQ
What is the guaranteed operating temperature range for the LTC1407IMSE#TRPBF?
The LTC1407IMSE#TRPBF is rated for –40°C to +85°C (I-grade). All key specifications-including integral linearity error (±0.5LSB), offset match (±1LSB), and CMRR (80dB at 100kHz)-are guaranteed across this full industrial temperature range, ensuring reliable operation in harsh environments like factory floors and outdoor telecom cabinets.
Does the LTC1407IMSE#TRPBF support external reference voltage, and what are the voltage limits?
Yes, the LTC1407IMSE#TRPBF supports external reference voltage applied to the VREF pin (Pin 3). The external reference must be ≥2.55V and ≤VDD (max 3.6V). At 2.55V, the internal reference amplifier presents a DC quiescent load of 0.75mA, increasing to 3mA during conversion-requiring adequate drive capability from the external source.
How does the LTC1407IMSE#TRPBF achieve simultaneous sampling across both channels?
The LTC1407IMSE#TRPBF uses two independent sample-and-hold circuits triggered identically on the rising edge of the CONV signal. This hardware-synchronized acquisition ensures inter-channel aperture skew ≤200ps, preserving phase coherence for applications like I/Q demodulation and motor current vector analysis without software compensation.
What is the minimum acquisition time required for full 1.5Msps throughput on the LTC1407IMSE#TRPBF?
The LTC1407IMSE#TRPBF requires a minimum acquisition time of 39ns (tACQ) to settle the internal sampling capacitor. This is achievable with low-source-impedance drivers (<100Ω) or buffered inputs using op amps like LT1806/LT1807. Exceeding this time reduces effective throughput and may cause missing codes or increased DNL.
Can the LTC1407IMSE#TRPBF operate from a 2.7V supply, and how does that affect performance?
Yes, the LTC1407IMSE#TRPBF operates from 2.7V to 3.6V. At 2.7V, supply current remains 4.7mA typical, and all AC specifications-including SINAD (70.5dB at 100kHz) and THD (–86dB)-are maintained. However, the absolute analog input range shrinks proportionally: differential swing remains 0V–2.5V, but absolute pin voltage range becomes 0V–2.7V.
LTC1407IMSE#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:
- -40°C ~ 85°C
- Supplier Device Package:
- 10-MSOP-EP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC1407IMSE#TRPBF FAQ
1.How can I place an order for LTC1407IMSE#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1407IMSE#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 LTC1407IMSE#TRPBF reliable?
The price and inventory of LTC1407IMSE#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1407IMSE#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC1407IMSE#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1407IMSE#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1407IMSE#TRPBF?
LTC1407IMSE#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1407IMSE#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 LTC1407IMSE#TRPBF?
For technical support, including LTC1407IMSE#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1407IMSE#TRPBF requirements.
6.How does Aetrix verify that LTC1407IMSE#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC1407IMSE#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 LTC1407IMSE#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC1407IMSE#TRPBF?
All LTC1407IMSE#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1407IMSE#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 LTC1407IMSE#TRPBF part is unused and in its original packaging.
Return procedure for LTC1407IMSE#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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