AMC22C12

Name: AMC22C12
Brand: TI
SKU: AMC22C12
Price: 0.9 USD

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Isolierter Fensterkomparator mit schnellem Ansprechverhalten und einstellbarer Schwelle und Latch-Fu

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Datenblatt

document-pdfAcrobat AMC22C12 Fast Response, Basic Isolated Window ComparatorWith Adjustable Threshold and Latch Function datasheet (Rev. A) (Englisch) PDF | HTML

AMC22C12

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Datenblatt

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Produktdetails

Number of channels

1

Output type

Open-drain

Propagation delay time (µs)

0.24

CMTI (min) (kV/µs)

55

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Isolation rating

Basic

Withstand isolation voltage (VISO) (Vrms)

3000

Transient isolation voltage (VIOTM) (VPK)

4250

Working isolation voltage (VIOWM) (Vrms)

560

Creepage (min) (mm)

4

Clearance (min) (mm)

4

Number of channels

1

Output type

Open-drain

Propagation delay time (µs)

0.24

CMTI (min) (kV/µs)

55

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Isolation rating

Basic

Withstand isolation voltage (VISO) (Vrms)

3000

Transient isolation voltage (VIOTM) (VPK)

4250

Working isolation voltage (VIOWM) (Vrms)

560

Creepage (min) (mm)

4

Clearance (min) (mm)

4

SOIC (D)

8

29.4 mm² 4.9 x 6

Wide high-side supply range: 3 V to 27 V
Low-side supply range: 2.7 V to 5.5 V
Adjustable threshold:
- Window-comparator mode: ±20 mV to ±300 mV
- Positive-comparator mode: 600 mV to 2.7 V
Reference for threshold adjustment: 100 µA, ±1%
Trip threshold error: ±1% (max) at 250 mV
Open-drain output with optional latch mode
Propagation delay: 280 ns (typ)
High CMTI: 55 V/ns (min)
Safety-related certifications:
- 4250-V_PK basic isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 3000-V_RMS isolation for 1 minute per UL1577
Fully specified over the extended industrial temperature range: –40°C to +125°C

Wide high-side supply range: 3 V to 27 V
Low-side supply range: 2.7 V to 5.5 V
Adjustable threshold:
- Window-comparator mode: ±20 mV to ±300 mV
- Positive-comparator mode: 600 mV to 2.7 V
Reference for threshold adjustment: 100 µA, ±1%
Trip threshold error: ±1% (max) at 250 mV
Open-drain output with optional latch mode
Propagation delay: 280 ns (typ)
High CMTI: 55 V/ns (min)
Safety-related certifications:
- 4250-V_PK basic isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 3000-V_RMS isolation for 1 minute per UL1577
Fully specified over the extended industrial temperature range: –40°C to +125°C

The AMC22C12 is an isolated window comparator with a short response time. The open-drain output is separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide galvanic isolation of up to 3 kV_RMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577, and supports a working voltage of up to 560 V_RMS.

The comparison window is centered around 0 V, meaning that the comparator trips if the absolute value of the input voltage exceeds the trip threshold value. The trip threshold is adjustable from 20 mV to 300 mV through a single external resistor and, therefore, the comparison window ranges from ±20 mV to ±300 mV. When the voltage on the REF pin is greater than 550 mV, the negative comparator is disabled and only the positive comparator is functional. The reference voltage in this mode can be as high as 2.7 V. This mode is particularly useful for monitoring voltage supplies.

The open-drain output on the device supports transparent mode (LATCH input tied to GND2) where the output follows the input state, or latch mode, where the output is cleared on the falling edge of the latch input signal.

The AMC22C12 is available in a 8-pin SOIC package and is specified over the extended industrial temperature range of –40°C to +125°C.

The AMC22C12 is an isolated window comparator with a short response time. The open-drain output is separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide galvanic isolation of up to 3 kV_RMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577, and supports a working voltage of up to 560 V_RMS.

The comparison window is centered around 0 V, meaning that the comparator trips if the absolute value of the input voltage exceeds the trip threshold value. The trip threshold is adjustable from 20 mV to 300 mV through a single external resistor and, therefore, the comparison window ranges from ±20 mV to ±300 mV. When the voltage on the REF pin is greater than 550 mV, the negative comparator is disabled and only the positive comparator is functional. The reference voltage in this mode can be as high as 2.7 V. This mode is particularly useful for monitoring voltage supplies.

The open-drain output on the device supports transparent mode (LATCH input tied to GND2) where the output follows the input state, or latch mode, where the output is cleared on the falling edge of the latch input signal.

The AMC22C12 is available in a 8-pin SOIC package and is specified over the extended industrial temperature range of –40°C to +125°C.

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Alle anzeigen 4

	Typ	Titel		Datum
*	Data sheet	AMC22C12 Fast Response, Basic Isolated Window ComparatorWith Adjustable Threshold and Latch Function datasheet (Rev. A)	PDF \| HTML	03 Aug 2022
	Application note	Designüberlegungen für die Strommessung in DC-EVLadeanwendungen	PDF \| HTML	08 Jul 2024
	Certificate	UL Certificate of Compliance File E181974 Vol 4 Sec 1 (Rev. A)		05 Aug 2022
	Analog Design Journal	Using isolated comparators for fault detection in electric motor drives	PDF \| HTML	14 Mär 2022

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AMC22C12

Isolierter Fensterkomparator mit schnellem Ansprechverhalten und einstellbarer Schwelle und Latch-Fu

AMC22C12

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