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Speed Multiplex (8KHz Mode with 17 Effective Bits Resolution)
24-Bit
Delta Sigma ADCs (4 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) | | 0.1 to Vcc |
Guaranteed Modulator Stability | Operating Range |
Package | Price |
| LTC2444 High Speed, 4/8-Channel, 24-Bit
Delta Sigma ADC with Programmable Speed/Resolution |
24+ |
4/8 |
17-Effective Bits at 8KHz |
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 |
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 |
| LTC2447 High Speed, 8-Channel Delta Sigma ADCs with Selectable Multiple Reference Inputs and Signal Chain Calibration | 24+ | 4/8 | 2µV@1KHz
750nV@100Hz | LTC2446 | 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 |
|
LTC2445 High Speed, 4/8-Channel, 24-Bit
Delta Sigma ADC with Programmable Speed/Resolution with Signal Chain Calibration |
24+ |
4/8 |
17-Effective Bits at 8KHz |
LTC2444 LTC2448 LTC2449 |
Differential |
Programmable |
Internal or External |
6.9Hz to 7kHz |
8kHz |
15ppm |
1ppm |
30ppm |
4.5v to 5.5V |
11mA |
30µA |
±Vref/2 |
-300mV to Vdd+300mV |
YES |
YES |
-40 to +85 |
QFN 5X7 |
$6.45 |
|
LTC2448 High Speed, 8/16-Channel, 24-Bit
Delta Sigma ADC with Programmable Speed/Resolution |
24+ |
8/16 |
17-Effective Bits at 8KHz |
LTC2444 LTC2445 LTC2449 |
Differential |
Programmable |
Internal or External |
6.9Hz to 7kHz |
8kHz |
15ppm |
1ppm |
30ppm |
4.5v to 5.5V |
11mA |
30µA |
±Vref/2 |
-300mV to Vdd+300mV |
YES |
YES |
-40 to +85 |
QFN 5X7 |
$7.15 |
|
LTC2449 High Speed, 8/16-Channel, 24-Bit
Delta Sigma ADC with Programmable Speed/Resolution with Signal Chain Calibration |
24+ |
8/16 |
17-Effective Bits at 8KHz |
LTC2444 LTC2445 LTC2448 |
Differential |
Programmable |
Internal or External |
6.9Hz to 7kHz |
8kHz |
15ppm |
1ppm |
30ppm |
4.5v to 5.5V |
11mA |
30µA |
±Vref/2 |
-300mV to Vdd+300mV |
YES |
YES |
-40 to +85 |
QFN 5X7 |
$7.15 |