Texas Instruments AMC1203
The AMC1203 is a 1-bit, 10MHz, isolated delta-sigma (ΔΣ) modulator with an output buffer separated from the input interface circuitry by a silicon dioxide (SiO2) isolation barrier. This barrier provides galvanic isolation of up to 4000VPEAK. The AMC1203 modulator operates from a +5V supply with a dynamic range of 95dB.| Part No. | AMC1203 |
|---|---|
| Datasheet | AMC1203 Download |
| Manufacturer |  Texas Instruments |
| Description | Isolated Delta-Sigma Modulator |
| Buy | Stock & Price |
FEATURES
1●2 16-Bit Resolution
● SNR: 80.5dB min
● THD: –88dB max (AMC1203B)
● ±280mV Input Range with +5V Supply
● Internal 2.5V Reference Voltage: 1% Accuracy
● Gain Error: ±1% (AMC1203B)
● UL1577, IEC60747-5-2 (VDE0884, Rev. 2), and IEC61010-1 Approved – Isolation: 4000VPEAK, Working Voltage: 560V – Transient Immunity: 15kV/μs
● Typical 25-Year Life at Rated Working Voltage (see Application Report SLLA197)
● Specified Temperature Range: –40°C to +105°C
APPLICATIONS
● Shunt Based Current Sensing in: – Motor Control – Uninterruptible Power Supplies – Power Inverters – Industrial Process ControlDESCRIPTION
Used in conjunction with isolated power supplies, these devices prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. The differential inputs are ideal for direct connection to shunt resistors or other low-level signal sources. With the appropriate digital filter and modulator rate, the device can be used to achieve 16-bit analog-to-digital (A/D) conversion with no missing codes.
