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Features
- 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
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The AD7475 / AD7495 are 12-bit, high speed, low power, successive-approximation ADCs that operate from a single 2.7 V to 5.25 V power supply with throughput rates up to 1 MSPS. They contain a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies above 1 MHz.
The conversion process and data acquisition are controlled using CS and the serial clock, allowing the devices to interface with microprocessors or DSPs. The input signal is sampled on the 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 to achieve very low power dissipation at high throughput rates. With 3 V supplies and a 1 MSPS throughput rate, the AD7475 consumes just 1.5 mA, while the AD7495 consumes 2 mA. With 5 V supplies and 1 MSPS, the current consumption is 2.1 mA for the AD7475 and 2.6 mA for the AD7495.
The analog input range for the devices is 0 V to REF IN. The 2.5 V reference for the AD7475 is applied externally to the REF IN pin, 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
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AD7475
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| AD7475ARMZ |
8-Lead MSOP
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| AD7475ARMZ-REEL7 |
8-Lead MSOP
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| AD7475ARZ |
8-Lead SOIC
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| AD7475BRMZ |
8-Lead MSOP
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| AD7475BRMZ-REEL7 |
8-Lead MSOP
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| AD7475BRZ |
8-Lead SOIC
|
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| AD7475BRZ-REEL7 |
8-Lead SOIC
|
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- AD7475ARMZ
- Pin/Package Drawing
-
8-Lead MSOP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD7475ARMZ-REEL7
- Pin/Package Drawing
-
8-Lead MSOP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
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SamacSys
- AD7475ARZ
- Pin/Package Drawing
-
8-Lead SOIC
- Documentation
-
HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD7475BRMZ
- Pin/Package Drawing
-
8-Lead MSOP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD7475BRMZ-REEL7
- Pin/Package Drawing
-
8-Lead MSOP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD7475BRZ
- Pin/Package Drawing
-
8-Lead SOIC
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
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Ultra Librarian
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SamacSys
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8-Lead SOIC
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HTML
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HTML
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SamacSys
Filter by Model
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Product Lifecycle
PCN
Jan 5, 2015
- 14_0246
Qualification of ASE Chungli, as an Alternate Assembly Site for Select MSOP Devices
AD7475ARMZ
PRODUCTION
AD7475ARMZ-REEL7
PRODUCTION
May 15, 2012
- 10_0006
Halogen Free Material Change for mini SOIC Products
AD7475ARMZ
PRODUCTION
AD7475ARMZ-REEL7
PRODUCTION
AD7475BRMZ
PRODUCTION
AD7475BRMZ-REEL7
PRODUCTION
Feb 8, 2010
- 04_0080
Qualification of the 8" C6 and Q Wafer Fab Processes at Analog Devices, Limerick, Ireland.
AD7475ARMZ
PRODUCTION
AD7475ARMZ-REEL7
PRODUCTION
AD7475ARZ
PRODUCTION
AD7475BRMZ
PRODUCTION
AD7475BRMZ-REEL7
PRODUCTION
AD7475BRZ
PRODUCTION
AD7475BRZ-REEL7
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
Jan 5, 2015
- 14_0246
Qualification of ASE Chungli, as an Alternate Assembly Site for Select MSOP Devices
AD7475ARMZ
PRODUCTION
AD7475ARMZ-REEL7
PRODUCTION
May 15, 2012
- 10_0006
Halogen Free Material Change for mini SOIC Products
AD7475ARMZ
PRODUCTION
AD7475ARMZ-REEL7
PRODUCTION
AD7475BRMZ
PRODUCTION
AD7475BRMZ-REEL7
PRODUCTION
Feb 8, 2010
- 04_0080
Qualification of the 8" C6 and Q Wafer Fab Processes at Analog Devices, Limerick, Ireland.
AD7475ARMZ
PRODUCTION
AD7475ARMZ-REEL7
PRODUCTION
AD7475ARZ
PRODUCTION
AD7475BRMZ
PRODUCTION
AD7475BRMZ-REEL7
PRODUCTION
AD7475BRZ
PRODUCTION
AD7475BRZ-REEL7
PRODUCTION
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