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Description
Product Overview
LTC2498HUHF#PBF is a 24bit 16-channel (8-differential) no latency ΔΣ™ ADC with easy drive input current cancellation. The patented sampling scheme eliminates dynamic input current errors and the shortcomings of on-chip buffering through the automatic cancellation of differential input current. This allows large external source impedances and rail-to-rail input signals to be directly digitized while maintaining exceptional DC accuracy. It includes a high-accuracy temperature sensor and an integrated oscillator. This device can be configured to measure an external signal (from combinations of 16 analogue input channels operating in single-ended or differential modes) or its internal temperature sensor. The integrated temperature sensor offers 1/30th °C resolution and 2°C absolute accuracy. Applications include direct sensor digitizer, direct temperature measurement, instrumentation, and industrial process control.
- Easy Drive™ technology enables rail-to-rail inputs with zero differential input current
- Directly digitizes high impedance sensors with full accuracy
- Integrated high accuracy temperature sensor, GND to VCC input/reference common mode range
- Single supply operation range from 2.7V to 5.5V, internal oscillator
- Integral nonlinearity is 2ppm of VREF typical at (5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V)
- Offset error is 0.5µV typical at (2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC)
- Output noise is 0.6µVRMS typical at (5.5V <lt/> VCC <lt/> 2.7V, 2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC)
- Total unadjusted error is 15ppm of VREF typical at (5V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V)
- Offset error drift is 10nV/°C typical at (2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC)
- Operating temperature range from -40°C to 125°C, 38-lead plastic QFN package
Notes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Product details
| ADC Architecture | Delta-Sigma |
| Sampling Rate | 15SPS |
| Input Channel Type | Differential, Single Ended |
| Interfaces | SPI |
| Supply Voltage Max | 5.5V |
| IC Case / Package | QFN-EP |
| IC Mounting | Surface Mount |
| Operating Temperature Max | 125°C |
| SVHC | No SVHC (04-Feb-2026) |
| Resolution | 24bit |
| No. of Channels | 16Channels |
| Supply Voltage Type | Single |
| Supply Voltage Min | 2.7V |
| ADC / DAC Case Style | QFN-EP |
| No. of Pins | 38Pins |
| Operating Temperature Min | -40°C |
| Product Range | 16 Channel 24-Bit Delta-Sigma ADCs |
Other details
| Brand | ANALOG DEVICES |
| Part Number | LTC2498HUHF#PBF |
| Quantity | Each |
| Product Change Notice (83.03KB) EN | View or download |
| Technical Data Sheet (1.05MB) EN | View or download |
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 2841.14 |
| 3-5 | ₹ 2812.15 |
| 5-10 | ₹ 2754.16 |
| 10+ | ₹ 2696.18 |
Bulk discount will be automatically applied during checkout based on quantity.