AD7490SRU-EP-RL7 Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices AD7490SRU-EP-RL7 is a 16-channel, 12-bit successive-approximation ADC with 5V analog input range and 0.8 µs conversion time in a 28-lead TSSOP (RU-28) package. The enhanced-plastic (EP) grade extends the operating temperature range for industrial and extended-reliability data acquisition systems.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- AD7490SRU-EP-RL7 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of AD7490SRU-EP-RL7?
- 16 single-ended analog input channels sampled by a 12-bit SAR ADC with 0.0244% max linearity error
- 0.8 µs maximum conversion time enabling throughput suitable for fast multichannel scanning at up to 1 MSPS aggregate
- 5V analog input range compatible with standard industrial sensor and signal conditioning output levels
- Enhanced-plastic (EP) grade construction extending operating temperature beyond commercial 0°C to 70°C range
- 28-lead TSSOP package (RU-28) minimizes board footprint in compact multichannel data acquisition modules
What is AD7490SRU-EP-RL7 used for?
The AD7490SRU-EP-RL7 is designed for industrial process control systems that require scanning 16 analog sensor inputs with 12-bit resolution and fast 0.8 µs conversion time. It is well suited for power monitoring, temperature measurement arrays, and motor current sampling in PLCs and distributed I/O modules where extended temperature operation beyond 70°C is needed. The SPI-compatible serial interface simplifies integration with microcontrollers and FPGAs in multichannel data acquisition front ends.
What are the specifications of AD7490SRU-EP-RL7?
| Source Url Status Check Date | 2013-05-01 14:56:18.377 |
| Pbfree Code | No |
| Manufacturer Package Code | RU-28 |
| YTEOL | 0 |
| Analog Input Voltage-Max | 5V |
| Conversion Time-Max | 0.8 µs |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | R-PDSO-G28 |
| Linearity Error-Max (EL) | 0.0244% |
| Number of Analog In Channels | 16 |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Output Bit Code | BINARY, 2S COMPLEMENT BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Sample Rate | 1MHz |
| Sample and Hold / Track and Hold | TRACK |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Temperature Grade | MILITARY |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A001.a.2.c |
| HTS Code | 8542.39.00.30 |
Where can I find the AD7490SRU-EP-RL7 datasheet?
AD7490SRU-EP-RL7 Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for AD7490SRU-EP-RL7?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How fast can the AD7490SRU-EP-RL7 scan all 16 analog channels in a sequential acquisition mode?
With a maximum conversion time of 0.8 µs per channel, the AD7490SRU-EP-RL7 can scan all 16 channels in approximately 12.8 µs total, achieving an aggregate throughput approaching 1.25 MSPS across all inputs. This makes it suitable for multichannel sensor scanning in industrial control loops that require sub-millisecond update rates on 16 independent 5V range inputs.
What does the enhanced-plastic EP grade of the AD7490SRU-EP-RL7 mean for industrial deployment compared to the standard commercial version?
The EP (enhanced plastic) grade designation indicates that the AD7490SRU-EP-RL7 has been characterized and qualified for operation over a wider temperature range than the standard commercial 0°C to 70°C specification. This allows the 12-bit, 16-channel ADC to be deployed reliably in industrial enclosures, outdoor equipment, and transportation systems where ambient temperatures exceed 70°C or drop below 0°C during storage and operation.
For a 16-channel 4–20 mA industrial current-loop monitoring board, how does the AD7490SRU-EP-RL7 fit the signal chain?
In a 4–20 mA loop monitoring application a precision shunt resistor converts each loop current to a 0.4–2.0V or 1–5V voltage, which falls within the AD7490SRU-EP-RL7's 5V analog input range. The 12-bit resolution provides 4096 counts across the 16 mA span, yielding approximately 3.9 µA per LSB — sufficient for process control accuracy without external analog amplification, and the 16 inputs allow monitoring 16 independent current loops with a single 28-lead TSSOP ADC.
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Why Buy from FindMyChip
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.
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