Datasheet for LTC2449CUHF#PBF:
- Manufacturer Part Number : LTC2449CUHF#PBF
- Manufacturer : AD
- Description : 24-Bit High Speed 8-/16-Channel ∆∑ ADCs with Selectable Speed/Resolution IC
- Series : LTC2449
- Reference Price : USD 5.72
- Our Price : We have a better price, contact us by email
- Product Type : Precision A/D Converters
- Function : Multiplexed A/D Converters
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 38-Lead QFN (5mm x 7mm w/ EP)
- Pins : 38
- MFG Package Case : 05-08-1701
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 52
- Working Temperature : 0 to 70C
- Other Part Number : LTC2449CUHF#PBF
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LTC2444/LTC2445/LTC2448/LTC2449 are 8-/16- channel (4-/8-differential) high speed 24-bit No Latency ∆∑ ADCs. They use a proprietary delta-sigma architecture enabling variable speed/resolution. Through a simple 4-wire serial interface, ten speed/resolution combinations 6.9Hz/280nVRMS to 3.5kHz/25µVRMS (4kHz with external oscillator) can be selected with no latency between conversion results or shift in DC accuracy (offset, full-scale, linearity, drift). Additionally, a 2X speed mode can be selected enabling output rates up to 7kHz (8kHz if an external oscillator is used) with one cycle latency.
Any combination of single-ended or differential inputs can be selected with a common mode input range from ground to VCC, independent of VREF. While operating in the 1X speed mode the first conversion following a new speed, resolution, or channel selection is valid. Since there is no settling time between conversions, all 8 differential channels can be scanned at a rate of 500Hz. At the conclusion of each conversion, the converter is internally reset eliminating any memory effects between successive conversions and assuring stability of the high order delta-sigma modulator.
Applications
- High Speed Multiplexing
- Weight Scales
- Auto Ranging 6-Digit DVMs
- Direct Temperature Measurement
- High Speed Data Acquisition
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
