ADE9112 Datasheet | Analog Devices

FEATURES - 2 (ADE9112) or 3 (ADE9113) channel isolated, simultaneously sampling Σ-Δ ADCs, with integrated iso Power, isolated dc-to-dc converters - 3 (ADE9103) channel nonisolated, simultaneously sampling Σ-Δ ADCs - Synchronization of multiple ADE9103/ADE9112/ADE9113 devices - 4-wire SPI with bidirectional CRC and daisy-chain functionality - Unique SPI readable part ID registers - Up to 4 ADE9103/ADE9112/ADE9113 devices clocked from a single crystal or an external clock - IRQ hardware pin and registers for fault detection and robust- ness - Sample rate up to 32 k SPS - SNR up to 95 d B - ±31.25 m V peak analog input voltage range for current channel - ±500 m V peak single-ended analog input voltage range for voltage channels - Internal voltage reference temperature coefficient: <13 ppm/°C typical - ADC offset drift: <2 n V/°C typical - Ideal for both AC and DC measurement systems - Single 3.3 V supply for isolated and nonisolated measurements - pact 28-lead, wide-body with finer pitch SOIC package with 8.3 mm creepage - Temperature range: - 40°C to +125°C - Passes CISPR 32 Class B RF Emissions - ADE9112 and ADE9113 safety and regulatory approvals - IEC 60747-17 certificate of conformity expected - 5000 V RMS for 1 minute per UL 1577 expected - IEC 61010-1 and IEC 62368-1 expected APPLICATIONS - Shunt-based polyphase meters - Electric vehicle supply equipment - DC meters - Power quality monitoring - Solar inverters - Process monitoring - Protective devices - Isolated sensor interfaces GENERAL DESCRIPTION The ADE9103/ADE9112/ADE9113are precision simultaneously sampling Σ-Δ analog-to-digital converters (ADCs) for both DC and polyphase shunt-based energy metering applications. The ADE91131 integrates safety certified signal and power galvanic isolation with three simultaneously sampling fully differential 24-bit Σ-Δ ADC channels. The ADE9112 features two fully differential Σ-Δ ADC channels for isolated applications where only a single voltage channel is required. The...