Part A
ADE7753ARSZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4461 Stückzahl
- Package
- SSOP-20
- Series
- PMIC-Energiemessung
Replacement verdict
Compatible functional replacement candidate
The ADE7753ARSZ and ADE7751ARSZRL are both single-phase energy metering ICs from Analog Devices in a 20-lead SOIC package, sharing the same supply voltage range and serial interface family, so the ADE7753ARSZ can serve as a functional replacement candidate for the ADE7751ARSZRL. However, the two devices differ in their metering architecture and feature set, including on-chip RMS and waveform sampling capability versus a fixed-function energy-only design, so firmware and register-level validation is required before committing to a drop-in substitution.
Package Type
High match
Supply Voltage Range
High match
Metering Architecture
Validation required
Serial Interface Protocol
Validation required
Parts at a glance
Part B
ADE7751ARSZRL
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4036 Stückzahl
- Package
- SSOP-24
- Series
- PMIC-Energiemessung
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADE7753ARSZ | ADE7751ARSZRL | Why it matters |
|---|---|---|---|
| Measurement Function | Single-phase active, reactive, and apparent power/energy with fundamental and harmonic components | Single-phase active power/energy only | Determines whether the device can compute reactive/apparent power and harmonic-based measurements; a functional difference that affects system capability. |
| On-Chip Digital Integrator | Yes (selectable, for di/dt current sensors such as Rogowski coils) | No | The integrator enables direct interface to di/dt sensors; without it, sensor compatibility and signal conditioning requirements differ. |
| Energy Line Accumulation / Frequency | Programmable line accumulation mode with selectable frequencies | Fixed line accumulation (no programmable frequency selection) | Affects how energy is accumulated and read out; programmable modes offer flexibility in metering firmware design. |
| On-Chip Temperature Sensor | Yes | No | A temperature sensor supports on-chip thermal monitoring/compensation; its absence changes system-level calibration options. |
| Calibration / Gain Registers | Multiple gain and offset calibration registers (including per-phase and power offset) | Limited calibration registers (channel gains and offsets) | More calibration registers allow finer compensation of gain/offset errors, affecting achievable accuracy and calibration workflow. |
| Package | 20-Lead SSOP | 20-Lead SSOP | Same package footprint supports drop-in board compatibility, though this row is marked different only if values differ; here both are SSOP. |
| Supply Voltage | 5 V (single supply) | 5 V (single supply) | Supply compatibility ensures the replacement operates in the same power rail without redesign. |
| Interface | SPI-compatible serial interface | SPI-compatible serial interface | A matching serial interface allows the same microcontroller communication protocol to be reused. |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | Identical temperature ratings mean the parts are interchangeable across the same environmental conditions. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADE7753ARSZ | ADE7751ARSZRL |
|---|---|---|
| Part Status | Active | Active |
| Input Impedance | 390kOhm | 390kOhm |
| Measurement Error | 0.1% | 0.1% |
| Voltage - I / O High | 2.4V | 2.4V, 4V, 4.5V |
| Voltage - I / O Low | 0.8V | 0.5V, 0.8V |
| Supply Current | 3mA | 3mA |
| Voltage - Supply | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V |
| Meter Type | Single Phase | Single Phase |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the primary functional differences between the ADE7753ARSZ and the ADE7751ARSZRL?
The ADE7753ARSZ is a single-phase active and reactive energy metering IC with a serial peripheral interface (SPI) and an on-chip digital integrator for shunt-based current sensing. The ADE7751ARSZRL is a single-phase active energy metering IC with a fixed-function pulse output (CF) and no SPI interface. The ADE7753 provides reactive energy measurement and waveform sampling, while the ADE7751 is limited to active energy accumulation with pulse output.
Are the ADE7753ARSZ and ADE7751ARSZRL pin-compatible?
No. Both devices are offered in a 20-lead SSOP package, but their pin functions differ. The ADE7753ARSZ includes SPI pins (DIN, DOUT, SCLK, CS) and additional signal pins that are not present on the ADE7751ARSZRL, which uses a different pin assignment for its pulse output and calibration inputs. They are not drop-in replacements for each other.
Do both devices support reactive energy measurement?
No. Only the ADE7753ARSZ provides reactive energy measurement in addition to active energy. The ADE7751ARSZRL is specified for active energy measurement only and does not include a reactive energy register or reactive power calculation path.
What communication interface does each device provide?
The ADE7753ARSZ provides a 4-wire SPI-compatible serial interface for register access and data readout. The ADE7751ARSZRL does not have a serial data interface; it outputs active energy as a frequency pulse on the CF (calibration frequency) logic output pin.
Can the ADE7751ARSZRL be used in a design that requires reading energy registers over SPI?
No. The ADE7751ARSZRL lacks an SPI port and does not expose energy accumulation registers for serial readout. A design requiring SPI-based register access must use a device such as the ADE7753ARSZ instead.
Are both devices specified for single-phase two-wire metering applications?
Yes. Both the ADE7753ARSZ and ADE7751ARSZRL are specified by Analog Devices for single-phase, two-wire (phase and neutral) energy metering applications. Neither device is specified for three-phase configurations.
What is the difference in current-sensing support between the two devices?
The ADE7753ARSZ includes a digital integrator that allows direct connection of a di/dt current sensor such as a Rogowski coil or shunt, in addition to a conventional current channel input. The ADE7751ARSZRL provides a current channel input for shunt or current-transformer sensing but does not include the on-chip digital integrator feature.
Do both parts share the same supply voltage and package specifications?
Both devices operate from a single 5 V supply and are offered in a 20-lead SSOP package. However, because their pin functions and internal signal paths differ, the shared package and supply rating do not make them electrically interchangeable in a given PCB layout.