1 Features
• Linear input voltage range: 0 to 2.25V
• High input impedance: 1GΩ (typical)
• Supply voltage range:
– High-side (VDD1): 3.0V to 5.5V
– Low-side (VDD2): 3.0V to 5.5V
• Fixed gain: 1V/V
• Single-ended output
• Low DC errors:
– Offset error: ±1mV (maximum)
– Offset drift: ±25μV/°C (maximum)
– Gain error: ±0.25% (maximum)
– Gain drift: ±40ppm/°C (maximum)
– Nonlinearity: ±0.02% (maximum)
• High CMTI: 50V/ns (minimum)
• Low EMI: Meets CISPR-11 and CISPR-25
standards
• Isolation ratings:
– AMC0211S: Basic isolation
– AMC0311S: Reinforced Isolation
• Safety-related certifications:
– DIN EN IEC 60747-17 (VDE 0884-17)
– UL1577
• Fully specified over the industrial temperature
range: –40°C to +105°C

2 Applications
• Motor drives
• Photovoltaic inverters
• Server Power Supply Units (PSU)
• EV charging stations

3 Description
The AMC0x11S is a precision, galvanically isolated
amplifier with a 2.25V, high impedance input, fixedgain,
and single-ended output. The high-impedance
input is optimized for connection to a high-impedance
resistive divider or other voltage signal source with
high output resistance.
The isolation barrier separates parts of the system
that operate on different common-mode voltage
levels. The isolation barrier is highly resistant to
magnetic interference. This barrier is certified to
provide reinforced isolation up to 5kVRMS (DWV
package) and basic isolation up to 3kVRMS (D
package) (60s).
The AMC0x11S outputs a single-ended signal
proportional to the input voltage with a fixed gain of
1V/V. The output is designed to connect directly to the
input of an ADC. The voltage applied to the REFIN pin
sets the output voltage at 0V input.
The AMC0x11S devices come in 8-pin, wide- and
narrow-body SOIC packages, and are fully specified
over the temperature range from –40°C to +105°C.