ADS1148IRHBT
Active16-BIT 2-KSPS ADC WITH PGA, REFERENCE AND IDAC FOR PRECISION SENSOR MEASUREMENT
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ADS1148IRHBT
Active16-BIT 2-KSPS ADC WITH PGA, REFERENCE AND IDAC FOR PRECISION SENSOR MEASUREMENT
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Technical Specifications
Parameters and characteristics for this part
| Specification | ADS1148IRHBT |
|---|---|
| Architecture | Sigma-Delta |
| Configuration | MUX-PGA-ADC |
| Data Interface | SPI |
| Features | PGA |
| Input Type | Single Ended, Differential |
| Mounting Type | Surface Mount |
| Number of A/D Converters | 1 |
| Number of Bits | 16 |
| Number of Inputs | 7, 4 |
| Operating Temperature [Max] | 105 ░C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 32-VFQFN Exposed Pad |
| Reference Type | External, Internal |
| Sampling Rate (Per Second) | 2k |
| Supplier Device Package | 32-VQFN (5x5) |
| Voltage - Supply, Analog [Max] | 5.25 V |
| Voltage - Supply, Analog [Min] | 2.7 V |
| Voltage - Supply, Digital [Max] | 5.25 V |
| Voltage - Supply, Digital [Min] | 2.7 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 11.73 | |
| 10 | $ 10.60 | |||
| 25 | $ 10.10 | |||
| 100 | $ 8.77 | |||
| Digi-Reel® | 1 | $ 11.73 | ||
| 10 | $ 10.60 | |||
| 25 | $ 10.10 | |||
| 100 | $ 8.77 | |||
| Tape & Reel (TR) | 250 | $ 8.38 | ||
| 500 | $ 7.64 | |||
| 1250 | $ 6.65 | |||
| Texas Instruments | SMALL T&R | 1 | $ 8.98 | |
| 100 | $ 7.32 | |||
| 250 | $ 5.75 | |||
| 1000 | $ 4.88 | |||
Description
General part information
ADS1148-Q1 Series
The ADS1148-Q1 is a highly-integrated, precision, 16-bit analog-to-digital converter (ADC) that includes many integrated features to reduce system cost and component count for sensor measurement applications. The device features a low-noise, programmable gain amplifier (PGA), a precision delta-sigma (ΔΣ) ADC with a single-cycle settling digital filter, and an internal oscillator. The ADS1148-Q1 integrates a low-drift voltage reference, and two matched programmable excitation current sources (IDACs).
The device offers a fully flexible multiplexer that allows both positive and negative inputs to be selected independently. In addition, the multiplexer integrates sensor burn-out detection, voltage bias for thermocouples, system monitoring, and eight general-purpose digital I/Os (GPIOs). The PGA provides selectable gains up to 128 V/V. These features provide a complete front-end solution for temperature sensor measurement applications, including thermocouples, thermistors, and resistance temperature detectors (RTDs), and other small-signal measurements. The digital filter settles in a single cycle to support fast channel cycling when using the input multiplexer and provides data rates up to 2 kSPS. For data rates of 20 SPS or less, both the 50-Hz and 60-Hz interference are rejected by the filter.
The ADS1148-Q1 is a highly-integrated, precision, 16-bit analog-to-digital converter (ADC) that includes many integrated features to reduce system cost and component count for sensor measurement applications. The device features a low-noise, programmable gain amplifier (PGA), a precision delta-sigma (ΔΣ) ADC with a single-cycle settling digital filter, and an internal oscillator. The ADS1148-Q1 integrates a low-drift voltage reference, and two matched programmable excitation current sources (IDACs).
Documents
Technical documentation and resources
