Single Channel, Configurable,
Isolated Digital Input
Data Sheet
ADE1201
FEATURES
GENERAL DESCRIPTION
1
Single channel, configurable, isolated digital input
Programmable trip threshold
On-chip debounce filter
On-chip data and power isolation
Application circuit monitors wide voltage range
10 V dc to 300 V dc
8 V rms to 240 V rms ac
Programmable wetting current
Pulse up to 205 mA
The ADE1201 is a single channel, configurable, isolated
digital input monitoring solution for energy transmission and
distribution applications. The ADE1201 is configured through
the serial port interface (SPI) to perform an isolated measurement
of the digital input that is also called binary input or contact
input. The ADE1201 digital output signal on the DOUT1 pin
reflects the state of the input signal after user configurable
signal conditioning. The SPI protocol supports addressing to
allow up to eight devices sharing one 4-wire SPI port.
Constant current up to 6.3 mA
Safety and regulatory approvals
UL recognition
3750 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice 5A (pending)
CSA 61010-1: 300 V rms
The ADE1201 application circuit accepts a wide range of input
voltages from ±10 V dc to ±±00 V dc, or 8 V rms to 240 V rms.
The programmable wetting current and robust application
circuit enable the device to meet stringent, system level
electromagnetic capability (EMC) requirements.
The ADE1201 includes an isoPower® integrated, isolated dc-to-dc
converter that eliminates the need for an external isolated power
supply. The iCoupler® chip scale transformer technology is
used to isolate the logic signals between the high voltage,
isolated side and the low voltage, nonisolated side of the
digital input monitor. This technology creates a small form
factor design that includes data and power isolation.
VDE certificate of conformity (pending)
DIN V VDE V 0884-11 (VDE V 0884-11):2017-1
V
IORM = 565 V peak
EMC robust solution supports relay protection system level
requirements
ADC samples available for system diagnostics
Internal SAR ADC with PGA
Single 3.3 V supply
Integrated isoPower, isolated dc-to-dc converter
Interfaces
An integrated successive approximation register (SAR)
analog-to-digital converter (ADC) and a programmable gain
amplifier (PGA) from 1× to 10× measure the analog inputs.
The ADC waveforms are available through the SPI port to
allow system level diagnostics.
SPI
DOUT1 output reflects state of digital input
IRQ
interrupt pin
PRODUCT HIGHLIGHTS
Operating temperature: −40°C to +125°C
20-lead, LGA package with 6.8 mm creepage
1. Single channel, configurable, isolated digital input.
2. Single hardware design supports 24 V to ±00 V systems.
±. Robust architecture.
APPLICATIONS
Energy transmission and distribution
Multifunction relay protection
Substation battery monitoring
Bay or substation interlocking
Merge unit
4. Enables system level diagnostics.
Circuit breaker status indication
Remote terminal unit
Building automation
1 Protected by U.S. Patent Number 2017/0250043. Other patents pending.
Rev. 0
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www.analog.com
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