ADS1148 Series
Automotive 16-bit 2-kSPS ADC with PGA, reference and IDAC for precision sensor measurement
Manufacturer: Texas Instruments
Catalog(5 parts)
| Part | Sampling Rate (Per Second)▲▼ | Sampling Rate (Per Second)▲▼ | Power (Typ) @ Conditions▲▼ | Number of Bits▲▼ | Data Interface | Number of A/D Converters▲▼ | Utilized IC / Part | Supplied Contents | Input Range | Voltage - Supply, Digital▲▼ | Voltage - Supply, Digital▲▼ | Package / Case | Package / Case▲▼ | Package / Case▲▼ | Reference Type | Sampling Rate (Per Second)▲▼ | Features | Architecture | Supplier Device Package | Configuration | Input Type | Operating Temperature▲▼ | Operating Temperature▲▼ | Number of Inputs▲▼ | Voltage - Supply, Analog▲▼ | Voltage - Supply, Analog▲▼ | Mounting Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments ADS1148EVM-PDKADS1148 - 16 Bit 5 ~ 2k Samples per Second Analog to Digital Converter (ADC) Evaluation Board | 5 Hz | 0.002300000051036477 W | 16 b | SPI | 1 ul | ADS1148 | Board(s) | ±VREF/gain | |||||||||||||||||||
Texas Instruments ADS1148EVMADS1148 - 16 Bit 5 ~ 2k Samples per Second Analog to Digital Converter (ADC) Evaluation Board | 5 Hz | 0.002300000051036477 W | 16 b | SPI | 1 ul | ADS1148 | Board(s) | ±VREF/gain | |||||||||||||||||||
16 b | SPI | 1 ul | 5.25 V | 2.700000047683716 V | 28-TSSOP | 0.004399999976158142 m | 0.004394200164824724 m | External, Internal | 2000 ul | PGA | Sigma-Delta | 28-TSSOP | MUX-PGA-ADC | Differential, Single Ended | -40 °C | 105 °C | 4 ul, 7 ul | 2.700000047683716 V | 5.25 V | Surface Mount | |||||||
Texas Instruments ADS1148IRHBR16 Bit Analog to Digital Converter 4, 7 Input 1 Sigma-Delta 32-VQFN (5x5) | 16 b | SPI | 1 ul | 5.25 V | 2.700000047683716 V | 32-VFQFN Exposed Pad | External, Internal | 2000 ul | PGA | Sigma-Delta | 32-VQFN (5x5) | MUX-PGA-ADC | Differential, Single Ended | -40 °C | 105 °C | 4 ul, 7 ul | 2.700000047683716 V | 5.25 V | Surface Mount | ||||||||
16 b | SPI | 1 ul | 5.25 V | 2.700000047683716 V | 28-TSSOP | 0.004399999976158142 m | 0.004394200164824724 m | External, Internal | 2000 ul | PGA | Sigma-Delta | 28-TSSOP | MUX-PGA-ADC | Differential, Single Ended | -40 °C | 105 °C | 4 ul, 7 ul | 2.700000047683716 V | 5.25 V | Surface Mount |
Key Features
• Qualified for Automotive ApplicationsAEC-Q100 Qualified with the Following Results:Temperature Grade 1: –40°C to +125°CHBM ESD Classification 2CDM ESD Classification C5Programmable Gain: 1 V/V to 128 V/VProgrammable Data Rates: 5 SPS to 2 kSPSSingle-Cycle Settling for All Data RatesAnalog Multiplexer With 8 Independently Selectable InputsDual-Matched Programmable Excitation Current Sources: 50 µA to 1.5 mAInternal 2.048-V Voltage ReferenceInternal 4.096-MHz OscillatorInternal Temperature SensorOpen Sensor DetectionPower-Supply and External Reference MonitoringSelf and System Calibration8 General-Purpose I/OsSPI-Compatible Serial InterfaceAnalog Supply: Unipolar (2.7 V to 5.25 V) or Bipolar (±2.5 V)Digital Supply: 2.7 V to 5.25 VQualified for Automotive ApplicationsAEC-Q100 Qualified with the Following Results:Temperature Grade 1: –40°C to +125°CHBM ESD Classification 2CDM ESD Classification C5Programmable Gain: 1 V/V to 128 V/VProgrammable Data Rates: 5 SPS to 2 kSPSSingle-Cycle Settling for All Data RatesAnalog Multiplexer With 8 Independently Selectable InputsDual-Matched Programmable Excitation Current Sources: 50 µA to 1.5 mAInternal 2.048-V Voltage ReferenceInternal 4.096-MHz OscillatorInternal Temperature SensorOpen Sensor DetectionPower-Supply and External Reference MonitoringSelf and System Calibration8 General-Purpose I/OsSPI-Compatible Serial InterfaceAnalog Supply: Unipolar (2.7 V to 5.25 V) or Bipolar (±2.5 V)Digital Supply: 2.7 V to 5.25 V
Description
AI
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).
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.