LTC2440IGN#PBF

LTC2440IGN#PBF, delta-sigma ADC, 6V, 11mA, SSOP-16

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PartNumber:: LTC2440IGN#PBF

Brand:: Linear Technology - Linear | Pack: SSOP | D/C: 07+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
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Products Upload time: 2012-04-26

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Part Number:LTC2440IGN#PBF
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Product Summary

The LTC2440IGN#PBF is a high speed 24-bit No Latency Δ∑TM ADC with 5ppm INL and 5μV offset. It uses proprietary delta-sigma architecture enabling variable speed and resolution with no latency. Ten speed/resolution combinations (6.9Hz/200nVRMS to 3.5kHz/25μVRMS) are programmed through a simple serial interface. Alternatively, by tying a single pin HIGH or LOW, a fast (880Hz/2μVRMS) or ultralow noise (6.9Hz, 200nVRMS, 50/60Hz rejection) speed/resolution combination can be easily selected. The accuracy (offset, full-scale, linearity, drift) and power dissipation are independent of the speed selected. Since there is no latency, a speed/resolution change may be made between conversions with no degradation in performance. The applications of the LTC2440IGN#PBF include high speed multiplexing, weight scales, auto ranging 6-digit dvms, direct temperature measurement, high speed data acquisition.

Parametrics

LTC2440IGN#PBF absolute maximum ratings: (1)Supply voltage (VCC) to GND:-0.3V to 6V ORDER PART NUMBER; (2)Analog input pins voltage to GND:-0.3V to (VCC + 0.3V); (3)Reference input pins voltage to GND: -0.3V to (VCC + 0.3V); (4)Digital input voltage to GND: -0.3V to (VCC + 0.3V); (5)Digital Output Voltage to GND: -0.3V to (VCC + 0.3V); (6)Operating temperature range: -40℃to 85℃; (7)Storage temperature range: -65℃ to 150℃; (8)Lead temperature (soldering, 10 sec): 300℃.

Features

LTC2440IGN#PBF features: (1)Up to 3.5kHz output rate; (2)Selectable speed/resolution; (3)2μVRMS noise at 880Hz output rate; (4)200nVRMS noise at 6.9Hz output rate with simultaneous 50/60Hz Rejection; (5)0.0005% INL, no missing codes; (6)Autosleep enables 20μA operation at 6.9Hz; (7)<5μV Offset (4.5V < VCC < 5.5V, –40℃ to 85℃); (8)Differential input and differential reference with; (9)GND to VCC common mode range; (10)No latency, each conversion is accurate even after an input step; (11)Internal oscillator—no external components; (12)Pin compatible with the LTC2410; (13)24-Bit ADC in narrow 16-Lead SSOP package.