Datasheet for AD7402-8BRIZ:
- Manufacturer Part Number : AD7402-8BRIZ
- Manufacturer : AD
- Description : 16-Bit, Isolated Sigma-Delta Modulator IC
- Series : AD7402
- Reference Price : USD 2.44
- Our Price : We have a better price, contact us by email
- Product Type : Integrated/Special Purpose A/D Converters
- Function : Isolated A/D Converters
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 8-Lead SOIC (Increased Creepage)
- Pins : 8
- MFG Package Case : RI-8-1
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 80
- Working Temperature : -40 to 105C
- Other Part Number : AD7402-8BRIZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- 10 MHz internal clock rate
- 16 bits, no missing codes
- Signal-to-noise ratio (SNR): 87 dB typical
- Effective number of bits (ENOB): 13.5 bits typical
- Typical offset drift vs. temperature: 1.7 µV/°C
- On-board digital isolator
- On-board reference
- Full-scale analog input range: ±320 mV
- −40°C to +105°C operating range
- High common-mode transient immunity: >25 kV/µs
- 8-lead, wide-body SOIC, with increased creepage package
- Slew rate limited output for low electromagnetic interference (EMI)
The AD7402 is a high performance, second-order, Σ-Δ modulator that converts an analog input signal into a high speed, single-bit data stream, with on-chip digital isolation based on Analog Devices, Inc., iCoupler® technology. The AD7402 operates from a 4.5 to 5.5 V (VDD1) power supply and accepts a differential input signal of ±250 mV (±320 mV full scale). The differential input is ideally suited to shunt voltage monitoring in high voltage applications where galvanic isolation is required.
The analog input is continuously sampled by a high performance analog modulator, and converted to a ones density, digital output stream with a data rate of 10 MHz. The original information can be reconstructed with an appropriate digital filter to achieve 87 dB signal to noise ratio (SNR) at 39 kSPS. The serial input/output can use a 3 V to 5.5 V or a 3.3 V supply (VDD2).
The serial interface is digitally isolated. High speed complementary metal oxide semiconductor (CMOS) technology, combined with monolithic transformer technology, means the on-chip isolation provides outstanding performance characteristics, superior to alternatives such as optocoupler devices. The AD7402 device is offered in an 8-lead wide body SOIC package and has an operating temperature range of −40°C to +105°C.
Safety and regulatory approvals
- UL recognition
- 5000 V rms for 1 minute per UL 1577
- CSA Component Acceptance Notice 5A
- VDE Certificate of Conformity
- DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
- VIORM = 1250 VPEAK
Applications
- Shunt current monitoring
- AC motor controls
- Power and solar inverters
- Wind turbine inverters
- Data acquisition systems
- Analog-to-digital and opto-isolator replacements
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
