0
ACTIVE
Resolution (Bits) |
24 |
Sample rate (max) (ksps) |
40 |
Number of input channels |
10 |
Interface type |
SPI |
Architecture |
Delta-Sigma |
Input type |
Differential, Single-ended |
Multichannel configuration |
Multiplexed |
Rating |
Automotive |
Reference mode |
External, Internal |
Input voltage range (max) (V) |
2.5, 5 |
Input voltage range (min) (V) |
-2.5, 0 |
Features |
50/60 Hz Rejection, Excitation Current Sources (iDACs), GPIO, Oscillator, PGA, Temp Sensor |
Operating temperature range (°C) |
-40 to 125 |
Power consumption (typ) (mW) |
20 |
Analog supply voltage (min) (V) |
-2.5, 4.75 |
Analog supply voltage (max) (V) |
2.5, 5.25 |
Digital supply (min) (V) |
2.7 |
Digital supply (max) (V) |
5.25 |
VQFNP (RHM)-32-25 mm² 5 x 5
The ADS1260-Q1 and ADS1261-Q1 (ADS126x-Q1) are precision, 40-kSPS, delta-sigma (ΔΣ) analog-to-digital converters (ADCs) that include a programmable gain amplifier (PGA). The devices also include a precision voltage reference and internal fault monitors. The sensor-ready ADCs give a high-accuracy, single-chip solution for the most demanding measurements, for example, weigh scales and resistance temperature detectors (RTDs).
The ADCs contain an input signal multiplexer, a low-noise PGA (with gains from 1 to 128), a 24-bit ΔΣ modulator, a precision voltage reference, and a programmable digital filter.
The high-impedance PGA inputs (1 GΩ) decrease measurement error due to sensor loading. The ADS1260-Q1 supports three differential or five single-ended inputs. The ADS1261-Q1 supports five differential or ten single-ended inputs. The integrated current sources simplify the measurement of RTDs.
The flexible digital filter is programmable for single-cycle settled conversions. Signal and reference monitors, a temperature sensor, and CRC data verification enhance data reliability.
The ADS126x-Q1 are pin compatible devices given in a 5-mm × 5-mm VQFN package and are specified across the –40°C to +125°C temperature range.
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