Produktdetails

Resolution (Bits) 16 Sample rate (max) (ksps) 20 Number of input channels 1 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential Rating Automotive Reference mode Internal Input voltage range (max) (V) 1 Input voltage range (min) (V) -1 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 27 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 86 Digital supply (min) (V) 3 Digital supply (max) (V) 5.5
Resolution (Bits) 16 Sample rate (max) (ksps) 20 Number of input channels 1 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential Rating Automotive Reference mode Internal Input voltage range (max) (V) 1 Input voltage range (min) (V) -1 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 27 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 86 Digital supply (min) (V) 3 Digital supply (max) (V) 5.5
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Delta-sigma modulator optimized for voltage and temperature sensing:
    • Input voltage range: ±1 V
    • High differential input resistance: 1.6 GΩ (typ)
    • Integrated 2.5-V, ±5-mA reference for ratiometric measurement
  • Excellent DC performance:
    • Offset error: ±0.5 mV (max)
    • Offset drift: ±6 µV/°C (max)
    • Gain error: ±0.25% (max)
    • Gain drift: ±45 ppm/°C (max)
    • Ratiometric gain drift: ±15 ppm/°C (max)
  • Selectable Manchester encoded or uncoded bitstream output
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Delta-sigma modulator optimized for voltage and temperature sensing:
    • Input voltage range: ±1 V
    • High differential input resistance: 1.6 GΩ (typ)
    • Integrated 2.5-V, ±5-mA reference for ratiometric measurement
  • Excellent DC performance:
    • Offset error: ±0.5 mV (max)
    • Offset drift: ±6 µV/°C (max)
    • Gain error: ±0.25% (max)
    • Gain drift: ±45 ppm/°C (max)
    • Ratiometric gain drift: ±15 ppm/°C (max)
  • Selectable Manchester encoded or uncoded bitstream output

The AMC1035-Q1 is a precision, delta-sigma (ΔΣ) modulator that operates from a single 3.0-V to 5.5-V supply and with an externally supplied clock signal in the range of 9 MHz to 21 MHz. In Manchester mode, the specified clock range is 9 MHz to 11 MHz. The differential ±1-V input structure of the device is optimized for voltage and temperature sensing applications.

Select the output bitstream of the AMC1035-Q1 to be Manchester coded to prevent setup and hold time requirement considerations of the receiving device and to reduce overall circuit layout efforts. When used with a digital filter (such as integrated in the TMS320F28004x, TMS320F2807x, or TMS320F2837x microcontroller families) to decimate the output bitstream, the device can achieve 16 bits of resolution with a dynamic range of 87 dB at a data rate of 82 kSPS.

The internal reference source of the AMC1035-Q1 supports a ratiometric circuit architecture to minimize the negative impact of the supply voltage variation and temperature drift on the accuracy of the measurement.

The AMC1035-Q1 can also be used for high common-mode AC voltage sensing with a digital isolator and isolated power supply.



The AMC1035-Q1 is a precision, delta-sigma (ΔΣ) modulator that operates from a single 3.0-V to 5.5-V supply and with an externally supplied clock signal in the range of 9 MHz to 21 MHz. In Manchester mode, the specified clock range is 9 MHz to 11 MHz. The differential ±1-V input structure of the device is optimized for voltage and temperature sensing applications.

Select the output bitstream of the AMC1035-Q1 to be Manchester coded to prevent setup and hold time requirement considerations of the receiving device and to reduce overall circuit layout efforts. When used with a digital filter (such as integrated in the TMS320F28004x, TMS320F2807x, or TMS320F2837x microcontroller families) to decimate the output bitstream, the device can achieve 16 bits of resolution with a dynamic range of 87 dB at a data rate of 82 kSPS.

The internal reference source of the AMC1035-Q1 supports a ratiometric circuit architecture to minimize the negative impact of the supply voltage variation and temperature drift on the accuracy of the measurement.

The AMC1035-Q1 can also be used for high common-mode AC voltage sensing with a digital isolator and isolated power supply.



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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt AMC1035-Q1 Delta-Sigma Modulator With a Bipolar Input of ±1 V and Reference Output of 2.5 V datasheet (Rev. A) PDF | HTML 14.11.2019
Whitepaper Vergleich isolierter Verstärker und isolierter Modulatoren (Rev. B) PDF | HTML Download English Version (Rev.B) 19.08.2024
Application brief Vergleich von isolierten Shunt- und Hall-basierten Strommesslösungen in Hybrid- und Elektrofahrzeugen (Rev. C) PDF | HTML Download English Version (Rev.C) 16.07.2024
Informationen zur funktionalen Sicherheit AMC1035-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 13.06.2023
Anwendungshinweis Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 29.03.2023
E-book Fundamentals of Precision ADC Noise Analysis (Rev. A) 19.06.2020

Design und Entwicklung

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Evaluierungsplatine

AMC1035EVM — AMC1035-Evaluierungsmodul

Das AMC1035-Evaluierungsmodul (EVM) ist eine Plattform zur Evaluierung von AMC1035, eines einkanaligen Delta-Sigma-Modulators für die Spannungs-, Strom- und Temperaturmessung. AMC1035EVM ermöglicht es dem Benutzer, alle Funktionen von AMC1035 zu erkunden.

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