Datasheet for AD7475ARMZ:
- Manufacturer Part Number : AD7475ARMZ
- Manufacturer : AD
- Description : 1 MSPS, 12-Bit A/D Converter in MSOP-8 or SOIC-8 IC
- Series : AD7475
- Reference Price : USD 4.144
- Our Price : We have a better price, contact us by email
- Product Type : Precision A/D Converters
- Function : Single Channel A/D Converters
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 8-Lead MSOP
- Pins : 8
- MFG Package Case : RM-8
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 50
- Working Temperature : -40 to 85C
- Other Part Number : AD7475ARMZ
- 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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- Fast throughput rate: 1 MSPS
- Specified for VDD of 2.7 V to 5.25 V
- Low power
- 4.5 mW max at 1 MSPS with 3 V supplies
- 10.5 mW max at 1 MSPS with 5 V supplies
- Wide input bandwidth: 68 dB SNR at 300 kHz input frequency
- Flexible power/serial clock speed management
- No pipeline delays
- High speed serial interface
- SPI-/QSPI™-/MICROWIRE-/DSP-compatible
- On-board reference: 2.5 V (AD7495 only)
- Standby mode: 1 μA max
- 8-lead MSOP and SOIC packages
The AD7475/AD7495 are 12-bit, high speed, low power,successive-approximation ADCs that operate from a single2.7 V to 5.25 V power supply with throughput rates up to 1 MSPS.They contain a low noise, wide bandwidth track-and-holdamplifier that can handle input frequencies above 1 MHz.
The conversion process and data acquisition are controlledusing CS and the serial clock, allowing the devices to interfacewith microprocessors or DSPs. The input signal is sampled onthe falling edge of CS and conversion is initiated at this point.The conversion time is determined by the SCLK frequency.There are no pipeline delays associated with the device.
The AD7475/AD7495 use advanced design techniques toachieve very low power dissipation at high throughput rates.With 3 V supplies and a 1 MSPS throughput rate, the AD7475consumes just 1.5 mA, while the AD7495 consumes 2 mA. With5 V supplies and 1 MSPS, the current consumption is 2.1 mAfor the AD7475 and 2.6 mA for the AD7495.
The analog input range for the devices is 0 V to REF IN. The2.5 V reference for the AD7475 is applied externally to the REF INpin, while the AD7495 has an on-board 2.5 V reference.
Product Highlights
- The AD7475 offers 1 MSPS throughput rates with 4.5 mW power consumption.
- Single-supply operation with VDRIVE function. The AD7475/AD7495 operate from a single 2.7 V to 5.25 V supply. The VDRIVE function allows the serial interface to connect directly to either 3 V or 5 V processor systems independent of VDD.
- Flexible power/serial clock speed management. The conversion rate is determined by the serial clock, allowing the conversion time to be reduced through the serial clock speed increase. The devices also feature shutdown modes to maximize power efficiency at lower throughput rates. This allows the average power consumption to reduce while not converting. Power consumption is 1 μA when in full shutdown.
- No pipeline delay. The devices feature a standard successive approximation ADC with accurate control of the sampling instant via a CS input and once-off conversion control.
Applications
- Battery-powered systems
- Personal digital assistants
- Medical instruments
- Mobile communications
- Instrumentation and control systems
- Data acquisition systems
- Optical sensors
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
