Product Details
The AD8285 is designed for low cost, low power, compact size, flexibility, and ease of use. It contains four channels of a low noise preamplifier (LNA) with a programmable gain amplifier (PGA) and an antialiasing filter (AAF) plus one direct-to-ADC channel, all integrated with a single 12-bit analog-to-digital converter (ADC).
Each channel features a gain range of 16 dB to 34 dB in 6 dB increments and an ADC with a conversion rate of up to 72 MSPS. The combined input referred noise voltage of the entire channel is 3.5 nV/√Hz at maximum gain. The channel is optimized for dynamic performance and low power in applications where a small package size is critical.
Fabricated in an advanced complementary metal oxide semiconductor (CMOS) process, the AD8285 is available in a 10 mm × 10 mm, RoHS compliant, 72-lead LFCSP that is specified over the automotive temperature range of −40°C to +105°C.
APPLICATIONS
The AD828x Analogue Front End (AFE) device is designed for low cost, low power, compact size, flexibility, and ease of use. It features up to six channels each containing a low-noise preamplifier (LNA), a programmable gain amplifier (PGA) and an anti-aliasing filter (AAF) plus one direct-to-ADC channel, all integrated with a single 12-bit ADC. Automotive applications include: ADAS, Adaptive cruise control, Collision avoidance, Blind-spot detection, Self-parking, Electronic bumpers.
• No of Channels with differential inputs: 4 (AD8285), 6 (AD8283), plus one direct to ADC. • PGA gain programmed via SPI port: +16dB to +34dB in 6dB steps. • AAF (3rd-order low-pass elliptic filter) cut-off frequency programmed via SPI port: 1.0MHz to 12MHz . • ADC: 12-bit @ 72MSPS, spurious-free dynamic range (SFDR): 68dB with 16dB gain. • Power-down mode. • Power supply: Separate +1.8V and +3.3V supplies for Analogue and Digital supply pins. • Operating Temperature Range: -40 to +105°C. • Automotive qualified to AEC-Q100
• 806-7969 AD8283WBCPZ 6-channel AFE. • 831-9074 AD8285WBCPZ 4-channel AFE
Application = Adaptive Cruise Control, Automotive Radar, Blind Spot Detection, Collision Avoidance, Electronic Bumper, Self Parking
Number of ADCs = 1
Resolution = 12 bit
Sampling Rate = 72Msps
Interface Type = SPI
Number of Channels per Chip = 4
Mounting Type = Surface Mount
Package Type = LFCSP VQ
Pin Count = 72
Power Supply Type = Single
The AD828x Analogue Front End (AFE) device is designed for low cost, low power, compact size, flexibility, and ease of use. It features up to six channels each containing a low-noise preamplifier (LNA), a programmable gain amplifier (PGA) and an anti-aliasing filter (AAF) plus one direct-to-ADC channel, all integrated with a single 12-bit ADC. Automotive applications include: ADAS, Adaptive cruise control, Collision avoidance, Blind-spot detection, Self-parking, Electronic bumpers.
• No of Channels with differential inputs: 4 (AD8285), 6 (AD8283), plus one direct to ADC. • PGA gain programmed via SPI port: +16dB to +34dB in 6dB steps. • AAF (3rd-order low-pass elliptic filter) cut-off frequency programmed via SPI port: 1.0MHz to 12MHz . • ADC: 12-bit @ 72MSPS, spurious-free dynamic range (SFDR): 68dB with 16dB gain. • Power-down mode. • Power supply: Separate +1.8V and +3.3V supplies for Analogue and Digital supply pins. • Operating Temperature Range: -40 to +105°C. • Automotive qualified to AEC-Q100
• 806-7969 AD8283WBCPZ 6-channel AFE. • 831-9074 AD8285WBCPZ 4-channel AFE
Application = Adaptive Cruise Control, Automotive Radar, Blind Spot Detection, Collision Avoidance, Electronic Bumper, Self Parking
Number of ADCs = 1
Resolution = 12 bit
Sampling Rate = 72Msps
Interface Type = SPI
Number of Channels per Chip = 4
Mounting Type = Surface Mount
Package Type = LFCSP VQ
Pin Count = 72
Power Supply Type = Single
Delivery on production packaging - Punnet. This product is non-returnable.
The AD828x Analogue Front End (AFE) device is designed for low cost, low power, compact size, flexibility, and ease of use. It features up to six channels each containing a low-noise preamplifier (LNA), a programmable gain amplifier (PGA) and an anti-aliasing filter (AAF) plus one direct-to-ADC channel, all integrated with a single 12-bit ADC. Automotive applications include: ADAS, Adaptive cruise control, Collision avoidance, Blind-spot detection, Self-parking, Electronic bumpers.
• No of Channels with differential inputs: 4 (AD8285), 6 (AD8283), plus one direct to ADC. • PGA gain programmed via SPI port: +16dB to +34dB in 6dB steps. • AAF (3rd-order low-pass elliptic filter) cut-off frequency programmed via SPI port: 1.0MHz to 12MHz . • ADC: 12-bit @ 72MSPS, spurious-free dynamic range (SFDR): 68dB with 16dB gain. • Power-down mode. • Power supply: Separate +1.8V and +3.3V supplies for Analogue and Digital supply pins. • Operating Temperature Range: -40 to +105°C. • Automotive qualified to AEC-Q100
• 806-7969 AD8283WBCPZ 6-channel AFE. • 831-9074 AD8285WBCPZ 4-channel AFE
Application = Adaptive Cruise Control, Automotive Radar, Blind Spot Detection, Collision Avoidance, Electronic Bumper, Self Parking
Number of ADCs = 1
Resolution = 12 bit
Sampling Rate = 72Msps
Interface Type = SPI
Number of Channels per Chip = 4
Mounting Type = Surface Mount
Package Type = LFCSP VQ
Pin Count = 72
Power Supply Type = Single
| Analog Devices, Inc. | RS Components, Ltd. | |
|---|---|---|
| Product Category | Analog-to-Digital Converter (ADC) Chips | Analog-to-Digital Converter (ADC) Chips |
| Product Number | AD8285WBCPZ | 8319074 |
| Product Name | Radar Receive Path AFE: 4-Channel LNA/PGA/AAF with ADC | |
| Interface Type | Parallel | Serial; SPI |
| Package Type | LFCSP | LFCSP VQ |
| Pins | 72 | 72 |
| Resolution | 12 bits | 12 bits |
| Dissipation | 185 milliwatts |
