AMC23C12

Name: AMC23C12
Brand: TI
SKU: AMC23C12
Price: 1.2 USD

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Fast-response, reinforced, isolated window comparator with adjustable threshold and latch function

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Data sheet

document-pdfAcrobat AMC23C12 Fast Response, Reinforced Isolated Window Comparator With Adjustable Threshold and Latch Function datasheet (Rev. A) PDF | HTML

AMC23C12

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Data sheet

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Product details

Number of channels

1

Output type

Open-drain

Propagation delay time (µs)

0.29

CMTI (min) (kV/µs)

55

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Isolation rating

Reinforced

Withstand isolation voltage (VISO) (Vrms)

5000

Transient isolation voltage (VIOTM) (VPK)

7070

Working isolation voltage (VIOWM) (Vrms)

750

Creepage (min) (mm)

8.5

Clearance (min) (mm)

8.5

Number of channels

1

Output type

Open-drain

Propagation delay time (µs)

0.29

CMTI (min) (kV/µs)

55

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Isolation rating

Reinforced

Withstand isolation voltage (VISO) (Vrms)

5000

Transient isolation voltage (VIOTM) (VPK)

7070

Working isolation voltage (VIOWM) (Vrms)

750

Creepage (min) (mm)

8.5

Clearance (min) (mm)

8.5

SOIC (DWV)

8

67.275 mm² 5.85 x 11.5

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, ±2%
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:
- 7000-V_PK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 5000-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, ±2%
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:
- 7000-V_PK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 5000-V_RMS isolation for 1 minute per UL1577
Fully specified over the extended industrial temperature range: –40°C to +125°C

The AMC23C12 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 reinforced galvanic isolation of up to 5 kV_RMS according to VDE 0884-17 and UL1577, and supports a working voltage of up to 1 kV_PK.

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 AMC23C12 is available in a 8-pin, wide-body SOIC package and is specified over the extended industrial temperature range of –40°C to +125°C.

The AMC23C12 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 reinforced galvanic isolation of up to 5 kV_RMS according to VDE 0884-17 and UL1577, and supports a working voltage of up to 1 kV_PK.

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 AMC23C12 is available in a 8-pin, wide-body SOIC package and is specified over the extended industrial temperature range of –40°C to +125°C.

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	Certificate	VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. S)		29 Feb 2024
	Application brief	Utilizing AMC3311 to Power AMC23C11 for Isolated Sensing and Fault Detection	PDF \| HTML	09 Nov 2023
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Design & development

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Evaluation board

AMC23C12EVM — AMC23C12 evaluation module for fast-response, reinforced, isolated window comparator

The AMC23C12 evaluation module (EVM) is an platform for evaluating the AMC23C12, which is an isolated window comparator with short response time and latch function. The comparator outputs are separated from the input circuitry by an isolation barrier that is certified to provide (...)

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