Analog Devices Inc. LTC1407IMSE-1#PBF

Overview

LTC1407IMSE-1#PBF from Analog Devices (formerly Linear Technology) is a 14-bit, 3Msps simultaneous-sampling dual-channel ADC with differential inputs, 80dB CMRR at 100kHz, ±1.25V differential input range, and 10μW sleep-mode power consumption. It operates from a single 3V supply in a 10-lead MSOP package and targets high-speed portable data acquisition systems requiring precise phase-matched sampling.

For engineers reviewing the LTC1407IMSE-1#PBF datasheet, LTC1407IMSE-1#PBF pinout, LTC1407IMSE-1#PBF application, or LTC1407IMSE-1#PBF equivalent, key selection criteria include simultaneous dual-channel sampling accuracy, low-power shutdown modes, internal 2.5V reference stability, differential input common-mode rejection, and MSOP-10 thermal performance in industrial temperature ranges.

Technical Context

The LTC1407IMSE-1#PBF implements two independent sample-and-hold circuits triggered synchronously on the rising edge of CONV, enabling true simultaneous sampling across CH0 and CH1. Each channel converts at 1.5Msps, delivering 14-bit resolution with guaranteed no missing codes over –40°C to +85°C.

Its analog front-end supports differential input signals with 13pF input capacitance and 39ns acquisition time, while the internal 2.5V bandgap reference exhibits ±15ppm/°C tempco and settles in 2ms after wake-up from sleep mode. The serial interface outputs two 14-bit words in 32 SCK cycles using 2's complement format.

Key Specifications

Pinout & Package

Package: 10-lead plastic MSOP (MSE), exposed pad (Pin 11) soldered to PCB ground for thermal and electrical integrity. θ_JA = 40°C/W, T_JMAX = 125°C.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-channel simultaneous-sampling ADC applications.

Compared with ADS8327IPW and AD7357BRUZ, the LTC1407IMSE-1#PBF uniquely balances 14-bit resolution, 3Msps simultaneous sampling, ultra-low 10μW sleep power, and compact MSOP-10 packaging-making it optimal for space-constrained, battery-aware industrial DAQ where phase coherence and power efficiency are co-primary requirements.

Availability

LTC1407IMSE-1#PBF is available at Aetrix Electronics and suitable for telecommunications I/Q demodulation, industrial data acquisition systems, and uninterruptible power supplies requiring stable component supply across extended temperature ranges.

Supply support for LTC1407IMSE-1#PBF 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 and maintains its precision analog portfolio, emphasizing high-performance signal conditioning, data conversion, and power management ICs for demanding industrial and instrumentation markets.

The LTC1407IMSE-1#PBF belongs to Linear's high-speed precision ADC family, designed specifically for applications needing simultaneous dual-channel sampling, low-power operation, and robust noise immunity in compact form factors.

FAQ

What is the operating temperature range for the LTC1407IMSE-1#PBF?

The LTC1407IMSE-1#PBF is rated for operation from –40°C to +85°C, as indicated by the "I" grade suffix in the part number. This industrial temperature range is validated across all specified dynamic and DC parameters including SINAD, CMRR, and offset match, ensuring reliable performance in harsh environmental conditions without derating.

Does the LTC1407IMSE-1#PBF support external reference voltage?

Yes, the LTC1407IMSE-1#PBF supports external reference voltage applied to the VREF pin. The internal 2.5V reference can be overdriven by an external source between 2.55V and VDD (≤3.6V), enabling improved accuracy and reduced drift compared to the internal reference's ±15ppm/°C tempco.

How does the LTC1407IMSE-1#PBF enter sleep mode?

The LTC1407IMSE-1#PBF enters sleep mode when four or more CONV pulses are issued while SCK is held in a fixed high or low state. In sleep mode, supply current drops to 10μW, and the internal reference requires 2ms to settle before valid conversions resume after wake-up.

What is the maximum differential input voltage the LTC1407IMSE-1#PBF can accept?

The LTC1407IMSE-1#PBF accepts a maximum differential input voltage of ±1.25V across each channel (CH0+, CH0– and CH1+, CH1–). Exceeding this range causes the output code to saturate at all zeros (below –1.25V) or all ones (above +1.25V), with absolute pin voltages constrained to 0V to VDD.

Is the LTC1407IMSE-1#PBF pin-compatible with other variants in the LTC1407 family?

Yes, the LTC1407IMSE-1#PBF shares identical pinout and package with LTC1407CMSE-1#PBF, LTC1407AIMSE-1#PBF, and LTC1407ACMSE-1#PBF. All variants use the same 10-lead MSOP footprint and functional pin assignments, allowing drop-in replacement across temperature grades and resolution variants (12-bit vs 14-bit).