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Analog Devices Inc. LTC1407IMSE-1#TRPBF
- Part No.:
- LTC1407IMSE-1#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-1#TRPBF.pdf
- Description:
- IC ADC 12BIT PIPELINED 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,375
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Product details
Overview
LTC1407IMSE-1#TRPBF from Analog Devices (acquired Linear Technology) is a 14-bit, 3Msps simultaneous-sampling dual-channel ADC with differential inputs, 1.5Msps per channel throughput, ±1.25V differential input range, and 80dB CMRR at 100kHz - designed for high-speed portable data acquisition in multiphase motor control and I/Q demodulation systems.
For engineers reviewing the LTC1407IMSE-1#TRPBF datasheet, LTC1407IMSE-1#TRPBF pinout, LTC1407IMSE-1#TRPBF application, or LTC1407IMSE-1#TRPBF equivalent, key selection criteria include simultaneous sampling skew (200ps), sleep-mode power (10μW), internal 2.5V reference tempco (±15ppm/°C), MSOP-10 package thermal resistance (θJA = 40°C/W), and 3-wire serial interface timing compliance.
Technical Context
The LTC1407IMSE-1#TRPBF implements two independent sample-and-hold circuits triggered simultaneously on the rising edge of CONV, enabling true time-aligned capture of CH0 and CH1 signals. Each channel converts at 1.5Msps using a pipelined architecture with 14-bit resolution (1LSB = 152μV) and internal 2.5V bandgap reference.
It supports both internal reference operation and external overdrive (2.55V to VDD), delivers 72.0dB SINAD at 100kHz with external 3.3V reference, and maintains full linear bandwidth (5MHz) while rejecting common-mode noise up to 100kHz via 80dB CMRR.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit (LTC1407A-1 variant); ensures 152μV LSB step size for precise bipolar signal digitization |
| Sampling Rate | 3Msps total / 1.5Msps per channel; enables real-time capture of signals up to 5MHz full linear bandwidth |
| Differential Input Range | ±1.25V; supports AC-coupled single-supply operation without external mid-rail bias |
| Common-Mode Rejection | 80dB at 100kHz; eliminates ground-loop interference in noisy industrial environments |
| Power Consumption | 4.7mA active (14mW typ), 10μW sleep mode; extends battery life in portable instrumentation |
| Aperture Skew | 200ps max between CH0 and CH1; preserves phase coherence for vector measurements |
| Reference Tempco | ±15ppm/°C (internal 2.5V ref); maintains gain stability across –40°C to +85°C industrial temperature range |
Pinout & Package
Package: 10-lead plastic MSOP (MSE), exposed pad (Pin 11) soldered to PCB ground plane; θJA = 40°C/W, TJMAX = 125°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CH0+ | Noninverting analog input, Channel 0 | Differential pair with CH0–; accepts 0V to VDD absolute voltage, ±1.25V swing relative to CH0– |
| CH0– | Inverting analog input, Channel 0 | Differential pair with CH0+; same voltage constraints as CH0+ |
| VREF | Internal 2.5V reference output | Bypassed with 10μF capacitor; can be overdriven by external 2.55V–VDD reference |
| CH1+ | Noninverting analog input, Channel 1 | Simultaneously sampled with CH0+; identical electrical specs |
| CH1– | Inverting analog input, Channel 1 | Simultaneously sampled with CH0–; identical electrical specs |
| GND (Pins 6 & 11) | Analog/digital ground & exposed pad | Single low-impedance return path; exposed pad must be soldered to solid ground plane |
| VDD | 3V supply input | Single supply for entire device; requires 10μF + 0.1μF ceramic bypassing |
| SDO | 3-state serial data output | 2's complement format; outputs CH0 then CH1 conversion results over 32 SCK cycles |
| SCK | Serial clock input | Rising-edge synchronized; controls conversion sequencing and data output timing |
| CONV | Convert start trigger | Rising edge initiates simultaneous sampling; pulse count determines Nap/Sleep mode entry |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous dual-channel sampling | Enables phase-coherent acquisition for motor current vector analysis and I/Q signal reconstruction |
| 80dB CMRR at 100kHz | Rejects switching noise in industrial power electronics without external filtering |
| 200ps inter-channel aperture skew | Maintains <0.01° phase error at 1MHz input, critical for precision power measurement |
| 10μW sleep mode power | Reduces system standby power by >99% vs active mode, ideal for battery-powered DAQ |
| 3-wire serial interface | Minimizes MCU GPIO usage and PCB routing complexity in space-constrained designs |
| Internal 2.5V reference with ±15ppm/°C tempco | Eliminates external reference component while meeting 0.02% gain drift over industrial temperature range |
Applications
| Telecommunications | Data Acquisition Systems |
|---|---|
Use Scenario: Digitizing I and Q baseband signals in software-defined radio front-ends. IC Role / Device Role / Timing Role: Simultaneous sampling ADC capturing in-phase and quadrature components with sub-degree phase alignment. Use Value: 200ps aperture skew ensures <0.01° phase error at 1MHz, preserving modulation fidelity for QAM-64 and higher-order schemes. | Use Scenario: High-channel-count portable oscilloscopes requiring synchronized analog capture. IC Role / Device Role / Timing Role: Dual-channel simultaneous sampling front-end delivering time-aligned 14-bit waveforms at 1.5Msps/channel. Use Value: 80dB CMRR suppresses ground-bounce noise from digital subsystems, improving effective resolution by 1.3 ENOB. |
| Uninterrupted Power Supplies | Multiphase Motor Control |
Use Scenario: Real-time monitoring of AC line voltage and current for UPS inverter feedback control. IC Role / Device Role / Timing Role: Simultaneous sampling of voltage and current waveforms to compute instantaneous power and detect zero-crossings. Use Value: ±1.25V differential input range accommodates direct connection to current-sense transformers without level-shifting circuitry. | Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase BLDC motors using dual shunt current sensing. IC Role / Device Role / Timing Role: Simultaneous sampling of two motor phase currents to reconstruct third via Kirchhoff's law with minimal latency. Use Value: 3Msps aggregate sampling rate supports 20kHz PWM carrier frequencies with ≥10 samples per switching cycle. |
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 |
|---|---|---|---|
| ADS8327IPW | 16-bit, 500ksps, single-ended inputs, no internal reference, SPI interface | Lacks simultaneous sampling and differential inputs; requires external reference and driver amplifiers | Select when higher DC accuracy outweighs speed and phase coherence requirements |
| AD7357BRUZ | 14-bit, 4.2Msps, dual-channel, but sequential (not simultaneous) sampling, 3.3V supply only | Introduces 10ns inter-channel timing skew; unsuitable for vector-based measurements requiring phase alignment | Select for higher aggregate throughput where channel-to-channel timing alignment is non-critical |
Compared with ADS8327IPW and AD7357BRUZ, the LTC1407IMSE-1#TRPBF uniquely delivers true simultaneous sampling with 200ps skew, integrated 2.5V reference, and ±1.25V differential input range in a 10-pin MSOP - making it the only option for compact, phase-sensitive industrial DAQ where board space and timing integrity are constrained.
Availability
LTC1407IMSE-1#TRPBF is available at Aetrix Electronics and suitable for multiphase motor control, telecommunications I/Q demodulation, and uninterrupted power supply monitoring requiring stable component supply across industrial temperature ranges (–40°C to +85°C).
Supply support for LTC1407IMSE-1#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 LTC1407IMSE-1#TRPBF belongs to ADI's legacy Linear Technology precision data converter product line, engineered specifically for high-speed, low-power, simultaneous-sampling applications in portable and space-constrained industrial systems.
FAQ
What is the operating temperature range for the LTC1407IMSE-1#TRPBF?
The LTC1407IMSE-1#TRPBF is rated for industrial operation from –40°C to +85°C, as confirmed by its "I" grade marking and Absolute Maximum Ratings table. This range applies to all specified dynamic and DC performance parameters unless otherwise noted, and the exposed pad (Pin 11) must be soldered to the PCB ground plane to maintain thermal integrity under full-load conditions.
Does the LTC1407IMSE-1#TRPBF support external reference voltage?
Yes, the LTC1407IMSE-1#TRPBF supports external reference overdrive: the VREF pin (Pin 3) accepts voltages from 2.55V up to VDD, overriding the internal 2.5V bandgap reference. When using an external reference, the device achieves 72.0dB SINAD at 100kHz input with VDD ≥ 3.3V, and the reference load current reaches up to 3mA during conversion.
How does the LTC1407IMSE-1#TRPBF enter sleep mode?
The LTC1407IMSE-1#TRPBF enters sleep mode when four or more CONV pulses are applied while SCK is held in a fixed high or low state. In this mode, supply current drops to 10μA (10μW at 3V), and the internal reference requires 2ms to settle after wake-up. The SDO output enters high-impedance state, and conversion resumes only after the next valid CONV edge.
What is the maximum allowable source impedance for the analog inputs of the LTC1407IMSE-1#TRPBF?
The LTC1407IMSE-1#TRPBF analog inputs have 13pF capacitance per channel. With source impedances above ~100Ω, acquisition time exceeds the guaranteed 39ns, degrading SNR and THD. For full 14-bit performance at 1.5Msps, use a buffer amplifier with ≤100Ω output impedance and >40MHz closed-loop bandwidth - such as the LT1806 or LT6200 - placed directly at the ADC input pins.
Is the LTC1407IMSE-1#TRPBF pin-compatible with other variants in the LTC1407 family?
Yes, the LTC1407IMSE-1#TRPBF shares identical pinout and footprint with all LTC1407/LTC1407A variants in the 10-lead MSOP package, including LTC1407CMSE-1#TRPBF and LTC1407AIMSE-1#TRPBF. However, resolution differs: LTC1407-1 variants are 12-bit (610μV LSB), while LTC1407A-1 variants like the LTC1407IMSE-1#TRPBF are 14-bit (152μV LSB), requiring firmware validation of data word length.
LTC1407IMSE-1#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-1#TRPBF FAQ
1.How can I place an order for LTC1407IMSE-1#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1407IMSE-1#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-1#TRPBF reliable?
The price and inventory of LTC1407IMSE-1#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-1#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC1407IMSE-1#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1407IMSE-1#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1407IMSE-1#TRPBF?
LTC1407IMSE-1#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1407IMSE-1#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-1#TRPBF?
For technical support, including LTC1407IMSE-1#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1407IMSE-1#TRPBF requirements.
6.How does Aetrix verify that LTC1407IMSE-1#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC1407IMSE-1#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-1#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC1407IMSE-1#TRPBF?
All LTC1407IMSE-1#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1407IMSE-1#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-1#TRPBF part is unused and in its original packaging.
Return procedure for LTC1407IMSE-1#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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