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LTC2440IGN#PBF

Name: LTC2440IGN#PBF
Rating: 4.8 (15 reviews)

+BOM

IC ADC 24BIT SIGMA-DELTA 16SSOP

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데이터시트 LTC2440IGN#PBF DataSheet
패키지 SSOP-16
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사양

속성	가치
Package / Case	Tube
Part Status	Active
Number of Bits	24
Sampling Rate(Per Second)	3.5k
Number of Inputs	1
Input Type	Differential
Data Interface	SPI
Configuration	ADC
Number of A/D Converters	1
Architecture	Sigma-Delta
Reference Type	External
Voltage - Supply, Analog	5V
Voltage - Supply, Digital	5V
Operating Temperature	-40°C ~ 85°C
Supplier Device Package	16-SSOP

개요

Description

The LTC2440IGN#PBF is a high-precision, 24-bit delta-sigma ADC from Analog Devices. It features low noise (0.5ppm RMS), high speed (up to 3.5kHz output rate), and internal oscillator, eliminating the need for external components.
Key highlights:
- 24-bit resolution with no latency (single-cycle conversion).
- Flexible input ranges (differential or single-ended).
- SPI-compatible serial interface for easy microcontroller integration.
- Ultralow power (0.75mA typical) with auto-shutdown.
Ideal for precision measurement in industrial, medical, and instrumentation applications. The IGN package (SSOP-16) ensures compact PCB integration.

Equivalent

Equivalent products to the LTC2440IGN#PBF (24-bit delta-sigma ADC) include:
1. ADS124S08 (TI) - 24-bit, low-noise ADC.
2. AD7124-4 (Analog Devices) - 24-bit, low-power ADC.
3. MAX11270 (Maxim) - 24-bit, high-precision ADC.
4. MCP3551 (Microchip) - 22-bit, low-cost alternative.
These offer similar resolution and performance for precision measurement applications. Check datasheets for exact compatibility.

Features

The LTC2440IGN#PBF is a high-precision, 24-bit delta-sigma ADC with these key features:
- 24-bit resolution with no latency (single-cycle conversion).
- Differential input with ±VREF range (up to ±2.5V).
- Programmable speed/power: 6Hz to 3.5kHz output rate.
- Ultra-low noise: 600nV RMS at 6Hz, 1.5μV RMS at 3.5kHz.
- Internal oscillator, no external clock needed.
- SPI-compatible serial interface.
- Low power: 1.5mA (typ) at 3.5kHz, 200μA at 6Hz.
- Wide supply range: 2.7V to 5.5V.
- Integrated PGA (1x to 256x gain).
- -40°C to +85°C operating range.
Ideal for high-accuracy applications like weigh scales, RTD sensors, and industrial measurements.

Pinout

The LTC2440IGN#PBF is a 24-bit delta-sigma ADC with a 16-pin SSOP package. Key functions include:
- Differential Inputs: Accepts analog signals via IN+ and IN- pins.
- SPI Interface: Communicates data via SCLK, SDI, SDO, and CS pins.
- Flexible Speed/Resolution: Adjustable via pin-strapping (M0, M1, M2).
- Reference Inputs: REF+ and REF- for external voltage reference.
- Low Noise & High Accuracy: Ideal for precision measurements.
Pins include power (VCC, GND), digital I/O, and configuration inputs. Concise and functional for precision ADC applications.

Manufacturer

The LTC2440IGN#PBF is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits.
Analog Devices is known for its precision data converters, amplifiers, power management ICs, and sensors, serving industries like industrial, automotive, communications, and healthcare. The LTC2440IGN#PBF is a high-resolution delta-sigma ADC, reflecting ADI's expertise in precision analog technology.
ADI acquired Linear Technology (the original "LTC" prefix) in 2017, merging their portfolios. The company is headquartered in Wilmington, Massachusetts, USA.

Application

The LTC2440IGN#PBF is a high-precision 24-bit delta-sigma ADC, ideal for applications requiring accurate, low-noise measurements. Key areas include:
- Industrial Sensors: Strain gauges, pressure transducers, and RTDs.
- Medical Equipment: Patient monitoring, ECG, and precision instrumentation.
- Test & Measurement: High-resolution data acquisition systems.
- Automotive: Battery monitoring and sensor interfaces.
- Energy Management: Power monitoring and smart grid systems.
Its low noise, wide dynamic range, and flexible input options make it suitable for demanding analog signal processing tasks.

Package

The LTC2440IGN#PBF is packaged in a 24-Lead SSOP (Shrink Small Outline Package). This surface-mount package is compact and suitable for high-density PCB designs, offering reliable performance for precision ADC applications. The "IGN" suffix indicates the industrial temperature range (-40°C to +85°C). The "#PBF" denotes a lead-free (Pb-free) construction.