LTC2400
Every spec below is cited to the manufacturer datasheet. Pick your exact ordering code, compare the closest alternatives, then ask the assistant what it means for your design.
What the LTC2400 family does
The LTC2400 is a 24-bit delta-sigma analog-to-digital converter available in commercial and industrial temperature grades. It operates on a single 2.7V to 5.5V supply with 24-bit resolution, 4ppm integral nonlinearity, and 0.3ppm RMS noise. The device features an internal oscillator for no-latency conversion and includes a 110dB notch filter for 50Hz or 60Hz rejection. Engineers typically use the LTC2400 in weight scales, gas analyzers, strain-gage transducers, and data acquisition systems requiring high precision without external clock components.
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Every number above is cited straight from the datasheet — ask what they mean for your design, and the assistant answers from the same source documents.
LTC2400 datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| quiescent current (abs max) | — | 200 µA | 300 µA | \overline{CS} = 0V(Note 12); icc; ABSOLUTE MAXIMUM RATINGS | ADI datasheet, p. 3 — ABSOLUTE MAXIMUM RATINGS |
| supply voltage range (abs max) | 2.7 V | — | 5.5 V | vcc; ABSOLUTE MAXIMUM RATINGS | ADI datasheet, p. 3 — ABSOLUTE MAXIMUM RATINGS |
| abs max current (abs max) | -10 nA | 1 nA | 10 nA | \overline{CS} = VCC | ADI datasheet, p. 2 — ABSOLUTE MAXIMUM RATINGS |
| operating temperature | 0 °C | — | 70 °C | ADI datasheet, p. 2 | |
| input capacitance (abs max) | — | — | 10 pF | cin; ABSOLUTE MAXIMUM RATINGS | ADI datasheet, p. 3 — ABSOLUTE MAXIMUM RATINGS |
| psrr (abs max) | — | — | 110 dB | VREF = 2.5V, VIN = 0V, (Notes 8, 15); ABSOLUTE MAXIMUM RATINGS | ADI datasheet, p. 2 — ABSOLUTE MAXIMUM RATINGS |
| adc resolution (abs max) | — | — | 24 bit | Resolution (No Missing Codes), 0.1V ≤ VREF ≤ VCC | ADI datasheet, p. 2 — ABSOLUTE MAXIMUM RATINGS |
| output voltage low (abs max) | — | — | 400 mV | I0 = 1.6mA (Note 10); vol; ABSOLUTE MAXIMUM RATINGS | ADI datasheet, p. 3 — ABSOLUTE MAXIMUM RATINGS |
| sample rate (abs max) | — | — | 7.5 Hz | Internal oscillator, F0 = 0V (60Hz rejection); 1/tCONV with tCONV typ 133.33ms | ADI datasheet, p. 4 |
| settling time | — | 133 ms | — | F0 = LOW (60Hz rejection), single conversion settling | ADI datasheet, p. 13 — Table 3. LTC2400 State Duration |
| channel count | — | 1 | — | Single analog input VIN (Pin 3) | ADI datasheet, p. 8 |
Closest matches to LTC2400
MCP3421
2.0× higher settling time, 1.6× lower operating temperature, 1.3× lower adc resolution
ADS1110A0IDBVR
2.0× lower settling time, 1.6× lower operating temperature, 1.5× lower adc resolution
ADS1255
2.0× lower output voltage low, 1.6× lower supply voltage range, 1.6× lower operating temperature
CS5530-IS
1.6× lower operating temperature, 1.1× higher psrr, 1.1× lower supply voltage range
HX711
7.0× higher quiescent current, 3.0× higher settling time, 1.6× lower operating temperature
AD7606
2.0× lower input capacitance, 2.0× lower output voltage low, 1.6× lower operating temperature
ADS1246
1.4× higher psrr, 1.2× higher operating temperature, similar supply voltage range
ADS131M02
9.0× higher quiescent current, 1.3× lower psrr, 1.3× lower supply voltage range
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