Products > Integrated Circuits (ICs) > Data Conversion ICs > AD7864BSZ-1

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Analog to Digital Converters - ADC High Spd Lo Pwr 4-CH Simult Sampling 12B

  • Package/Case :
  • QFP-44
  • Product Categories :
  • Precision A/D Converters ; Simultaneous Sampling A/D Converters
  • RoHs Status:
  • Rohs
  • In-stock:
  • 5240


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AD7864BSZ-1 Product Details

Any subset of the four channels can be converted to maximize the throughput rate on the selected sequence. Select the channels to convert via hardware (channel select input pins) or software (programming the channel select register).

A single conversion start signal (CONVST) simultaneously places all the track-and-holds into hold and initiates a conversion sequence for the selected channels. The EOC signal indicates the end of each individual conversion in the selected conversion sequence. The BUSY signal indicates the end of the conversion sequence.

Data is read from the part by a 12-bit parallel data bus using the standard CS and RD signals. Maximum throughput for a single channel is 500 kSPS. For all four channels, the maximum throughput is 130 kSPS for the read-during-conversion sequence operation. The throughput rate for the read-after-conversion sequence operation depends on the read cycle time of the processor. See the Timing and Control section. The AD7864BSZ-1 is available in a small (0.3 square inch area) 44-lead MQFP.



  • High speed (1.65 μs) 12-bit ADC
  • 4 simultaneously sampled inputs
  • 4 track-and-hold amplifiers0.35 μs track-and-hold acquisition time1.65 μs conversion time per channel
  • HW/SW select of channel sequence for conversion
  • Single-supply operation
  • Selection of input ranges±10 V, ±5 V for AD7864-1±2.5 V for AD7864-3 0 V to 2.5 V, 0 V to 5 V for AD7864-2
  • High speed parallel interface that allowsInterfacing to 3 V processors
  • See data sheet for additional features

AD7864BSZ-1 Pinout
(Picture: Pinout)

AD7864BSZ-1 Block Diagram
(Picture: Diagram)

Technical Parameters

  • Number of Channels
  • 4
  • Architecture
  • SAR
  • Conversion Rate
  • 520 kSPs
  • Resolution
  • 12 bit
  • Input Type
  • Single-Ended
  • SNR
  • 78 dB
  • Interface Type
  • Parallel
  • Operating Supply Voltage
  • 5 V
  • Maximum Operating Temperature
  • + 85 C
  • Mounting Style
  • Package / Case
  • QFP-44
  • Maximum Power Dissipation
  • 120 mW
  • Minimum Operating Temperature
  • - 40 C
  • Number of Converters
  • 1
  • Packaging
  • Tray
  • Series
  • AD7864
  • Factory Pack Quantity
  • 96
  • Voltage Reference
  • Internal, External

AD7864BSZ-1 Datasheet

  • AD7864 Technical Documentation/Data sheet

AD7864BSZ-1 Related Products

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  • **ANAG***

    Excellent seller, item as described! Thank you! A+++++++

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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the AD7864BSZ1 we delivered, we will accept the replacement or return of the AD7864BSZ-1 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
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Analog Devices, Inc

Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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