Part A
ADE7753ARSZRL
ADI公司
- Lifecycle
- Active
- Stock
- 3828 件
- Package
- SSOP-20
- Series
- PMIC-電能計量
Replacement verdict
Compatible functional replacement candidate
The ADE7753ARSZRL is a higher-integration successor to the ADE7751ARSZ, sharing the same 20-lead SOIC footprint and single-phase energy-metering function while adding line-frequency output, a serial interface, and on-chip calibration registers. Both devices are pin-compatible in package and supply requirements, but firmware and external signal-conditioning differences mean the ADE7753ARSZRL should be validated in-system before being adopted as a direct substitute.
Package Type
High match
Supply Voltage
High match
Output Interface
Validation required
Metering Function
Validation required
Parts at a glance
Part B
ADE7751ARSZ
ADI公司
- Lifecycle
- Active
- Stock
- 7666 件
- Package
- SSOP-24
- Series
- PMIC-電能計量
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADE7751ARSZ | ADE7753ARSZRL | Why it matters |
|---|---|---|---|
| Measurement Function | Single-phase active energy (Wh) only | Single-phase active, reactive, and apparent energy plus RMS and waveform sampling | Defines the core feature set; the ADE7753 provides reactive/apparent energy and waveform access that the ADE7751 lacks, so they are not functionally interchangeable in metering designs requiring those features. |
| Package / Pin Count | 20-lead SSOP | 20-lead SSOP | Both share the same 20-lead SSOP footprint, which is favorable for PCB layout, but pin functions differ so a drop-in swap is not guaranteed. |
| Communication Interface | SPI-compatible serial interface | SPI-compatible serial interface with additional registers and interrupt support | Both use SPI, but the ADE7753 exposes more registers and interrupt functionality, affecting firmware compatibility and host MCU driver requirements. |
| On-chip Oscillator | Requires external crystal/clock | On-chip oscillator with external crystal option | The ADE7753 can operate with its internal oscillator, reducing external BOM, whereas the ADE7751 needs an external clock source, impacting board design and cost. |
| Energy Accumulation Registers | Active energy register only | Active, reactive, and apparent energy registers | Determines the type of billing/metering data available; the ADE7753 supports multi-quantity energy measurement needed for more advanced meters. |
| Waveform / Sampling Output | Not available | Waveform sampling register (16-bit) available | Waveform access enables power quality analysis and calibration; its absence on the ADE7751 limits diagnostic capability. |
| Supply Voltage Range | 4.75 V to 5.25 V | 4.75 V to 5.25 V | Identical supply requirements mean the same power rail design can be reused, easing substitution at the power-supply level. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Matching industrial temperature ranges confirm both parts suit the same environmental conditions. |
| On-chip Voltage Reference | Internal 2.5 V reference | Internal 2.4 V reference | Different reference voltages affect ADC scaling and calibration coefficients, so metering firmware and calibration must be adjusted when substituting. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADE7753ARSZRL | ADE7751ARSZ |
|---|---|---|
| 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 key differences between the ADE7751ARSZ and ADE7753ARSZRL?
The ADE7751ARSZ is a single-phase energy metering IC with a fixed-function pulse output, while the ADE7753ARSZRL is a single-phase energy metering IC with a serial peripheral interface (SPI) and additional features such as line voltage measurement, current and voltage RMS, and active/reactive/apparent power. The ADE7753ARSZRL offers more configurability and communication options than the ADE7751ARSZ.
Are the ADE7751ARSZ and ADE7753ARSZRL pin-compatible?
No, they are not pin-compatible. The ADE7751ARSZ is available in a 20-lead SSOP package, while the ADE7753ARSZRL is available in a 20-lead SSOP package as well, but the pin functions differ. The ADE7753ARSZRL includes SPI pins and additional analog inputs that are not present on the ADE7751ARSZ, so they cannot be used interchangeably without design changes.
Can the ADE7751ARSZ be directly substituted with the ADE7753ARSZRL in an existing design?
No, a direct substitution is not possible. The ADE7753ARSZRL requires SPI communication and configuration, whereas the ADE7751ARSZ provides a simple pulse output. The PCB layout, firmware, and external components would need to be redesigned to accommodate the different pinout and functionality.
What are the power supply requirements for the ADE7751ARSZ and ADE7753ARSZRL?
Both devices operate from a single 5 V supply. The ADE7751ARSZ has a typical supply current of 3 mA, while the ADE7753ARSZRL has a typical supply current of 4 mA. Both are specified over the industrial temperature range of –40°C to +85°C.
Do both parts support reactive energy measurement?
No. The ADE7751ARSZ is designed for active energy measurement only. The ADE7753ARSZRL supports active, reactive, and apparent energy measurement, as well as current and voltage RMS calculations.
What communication interfaces are available on each device?
The ADE7751ARSZ provides a frequency pulse output (F1, F2) for active energy, with no serial interface. The ADE7753ARSZRL includes a bidirectional SPI serial interface for reading and writing registers, allowing access to energy, RMS, and other measurement data.
Are both devices suitable for single-phase metering applications?
Yes, both the ADE7751ARSZ and ADE7753ARSZRL are designed for single-phase energy metering. The ADE7751ARSZ is a fixed-function solution for active energy, while the ADE7753ARSZRL offers a more flexible, microcontroller-based solution with additional measurement capabilities.