LTC2408CG#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LTC2408CG#TRPBF is an 8-channel, 24-bit delta-sigma ADC with a 7.5 SPS output rate and SPI-compatible serial interface. It achieves 0.0012% maximum linearity error across analog inputs from -0.0125 V to 6.1875 V with no missing codes. Offered in a 28-pin SSOP package for precision measurement instrumentation.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- LTC2408CG#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $9.4600(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 24-bit delta-sigma ADC with 8 multiplexed channels and 7.5 SPS conversion rate for high-precision measurement
- Ultra-low linearity error of 0.0012% maximum with no missing codes across the full input range
- SPI-compatible 3-wire serial interface compatible with microcontrollers for simple system integration
- Wide analog input range from -0.0125 V to 6.1875 V enabling direct connection to most sensor types
Applications
LTC2408CG#TRPBF is designed for high-precision data acquisition systems such as industrial weigh scales, pressure and temperature measurement instruments, and scientific laboratory equipment requiring 24-bit resolution. Its 8-channel multiplexer allows a single ADC to monitor multiple sensor outputs simultaneously, reducing system cost and board area in multi-channel data loggers. The device is also suited for precision calibration references, medical diagnostic instruments, and seismic monitoring stations where sub-ppm accuracy is essential.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1640 (G28) |
| YTEOL | 10 |
| Analog Input Voltage-Max | 6.1875V |
| Analog Input Voltage-Min | -0.0125 V |
| Conversion Time-Max | 163200 µs |
| Converter Type | ADC, DELTA-SIGMA |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.0012% |
| Number of Analog In Channels | 8 |
| Number of Bits | 24 |
| Number of Functions | 1 |
| Output Bit Code | BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP28,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 0.3mA |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What resolution and output rate does the LTC2408CG#TRPBF provide, and for which measurement applications is this combination ideal?
The LTC2408CG#TRPBF provides 24-bit resolution at 7.5 SPS, making it ideal for slowly varying signals such as temperature from PT100 sensors, load cell outputs in industrial scales, and barometric pressure measurements. The combination of 24-bit depth and delta-sigma noise rejection enables detecting sub-microvolt changes, which is essential in laboratory-grade and precision industrial instruments.
How many analog input channels does the LTC2408CG#TRPBF have, and can they be used differentially?
The LTC2408CG#TRPBF integrates 8 single-ended analog input channels with an input range of -0.0125 V to 6.1875 V relative to GND. All 8 channels are accessible through a software-selectable multiplexer via the SPI interface, allowing one ADC to scan 8 sensors sequentially at 7.5 SPS per channel. Differential pairing is supported in matched pin assignments for bridge sensor measurements.
What is the linearity performance of the LTC2408CG#TRPBF, and how does it compare to competing 24-bit ADCs?
The LTC2408CG#TRPBF guarantees a maximum integral nonlinearity error of 0.0012 percent, equivalent to approximately 2 LSB at 24-bit resolution, with no missing codes across the full temperature range. This performance is comparable to the ADS1256 from Texas Instruments, though the LTC2408 offers a wider input range and simpler interface requiring only 3 wires versus ADS1256's separate reference and control pins.
How does the SPI interface of the LTC2408CG#TRPBF simplify integration with a microcontroller in a multi-channel data logger?
The LTC2408CG#TRPBF uses a 3-wire SPI-compatible serial interface with SDO, SCK, and CS lines, directly readable by any microcontroller hardware SPI peripheral at clock rates up to 2 MHz. A single CS strobe initiates conversion and data readout, and the 28-pin SSOP footprint allows placing the ADC close to sensors on a 100 mm x 100 mm data logger PCB with only one decoupling capacitor per supply pin.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
More from Analog Devices
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $12.0500 | $12.05 |
| 1000+ | $9.4600 | $9460.00 |
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