Datasheet for ADUM7703-8BRIZ:
- Manufacturer Part Number : ADUM7703-8BRIZ
- Manufacturer : AD
- Description : 16-Bit, Isolated, Sigma-Delta ADC IC
- Series : ADuM7703
- Reference Price : USD 3.432
- 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 : ADUM7703-8BRIZ
- 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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- 5 MHz to 21 MHz master clock input frequency
- Offset drift vs. temperature: ±0.6 μV/°C maximum
- SNR: 86 dB typical
- 16 bits, no missing codes
- Full-scale analog input voltage range: ±320 mV
- ENOB: 14 bits typical
- IDD1: 10 mA maximum
- On-board digital isolator
- Operating temperature range
- −40°C to +125°C (16-lead SOIC_W)
- −40°C to +105°C (8-lead SOIC_IC)
- 20 V operation on VDD1
- High CMTI: 150 kV/μs minimum, VDD2 = 3.3 V
- Wide-body SOICs
- 16-lead SOIC_W
- 8-lead SOIC_IC with increased creepage
- Safety and regulatory approvals
- UL recognition
- 5700 V rms for 1 minute per UL 1577
- CSA Component Acceptance Notice 5A (Pending)
- VDE Certificate of Conformity
- DIN V VDE V 0884-10: VIORM = 1270 VPEAK
- DIN V VDE V 0884-11: VIORM = 1060 VPEAK (Pending)
- UL recognition
The ADuM7703 is a high performance, second-order, Σ-Δ analog-to-digital converter (ADC) with an integrated low dropout (LDO) regulator 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 device operates from a 4.5 V to 20 V power supply range (VDD1) and accepts a pseudo differential input signal of ±250 mV (±320 mV full-scale). The pseudo 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 up to 21 MHz. The original information can be reconstructed with an appropriate sinc3 digital filter to achieve an 86 dB signal-to-noise ratio (SNR) at 78.1 kSPS with a 256 decimation rate and a 20 MHz master clock. The serial input and output operates from a 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, results in the on-chip isolation providing outstanding performance characteristics, superior to alternatives such as optocoupler devices. The ADuM7703 device is available in a 16-lead, wide-body SOIC with an operating temperature range of −40°C to +125°C and an 8-lead, wide-body SOIC with an operating temperature range of −40°C to +105°C.
Applications
- Shunt current monitoring
- AC motor controls
- Power and solar inverters
- Wind turbine inverters
- Analog-to-digital and optoisolator replacement
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.
