Home > Ultra Low Noise 280nV RMS
71,000 Counts on a ±10mV Full-scale Input- No PGA Required (3 Total)

Part Number and Description

Resolution (Bits)

Input Channels

Noise

Pin Compatible Parts

Input Type

Rejection

Oscillator

Output rate with Internal Oscillator

Max Output Rate

INL (MAX)

Offset (MAX)

Full-scale (MAX)

Supply Voltage

Supply Current (MAX)

Sleep Current

Differential Input Range (V)

Common Mode Input Range

Wide Reference Range 0.1 to Vcc

Guaranteed Modulator Stability

Operating Range (°C)

Package

Price @ 1k

LTC2444 High Speed, 4/8-Channel, 24-Bit Delta Sigma ADC with Programmable Speed/Resolution

24+

4/8

280nV@6.9Hz 2.8µV@1Khz

LTC2445 LTC2448 LTC2449

Differential

Programmable

Internal or External

6.9Hz to 3.52Khz

8kHz

15ppm

1ppm

30ppm

4.5v to 5.5V

11mA

30µA

±Vref/2

-300mV to Vdd+300mV

YES

YES

-40 to +85 0 to +70

QFN 5X7

$6.45

LTC2446 High Speed, 8-Channel Delta Sigma ADCs with Selectable Multiple Reference Inputs

24+

4/8

2.8µV@1KHz 1.1uV@100Hz

LTC2447

Differential

Programmable

Internal or External

6.9Hz to 3.52Khz

8kHz

15ppm

1ppm

30ppm

4.5v to 5.5V

11mA

30µA

±Vref/2

-300mV to Vdd+300mV

YES (Multiple)

YES

-40 to +85 0 to +70

QFN 5x7

7.15

LTC2448 High Speed, 8/16-Channel, 24-Bit Delta Sigma ADC with Programmable Speed/Resolution

24+

8/16

280nV@6.9Hz 2.8µV@1Khz

LTC2444 LTC2445 LTC2449

Differential

Programmable

Internal or External

6.9Hz to 3.52Khz

8kHz

15ppm

1ppm

30ppm

4.5v to 5.5V

11mA

30µA

±Vref/2

-300mV to Vdd+300mV

YES

YES

-40 to +85 0 to +70

QFN 5X7

$7.15