AD7894
Info: : PRODUCTION
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AD7894

True Bipolar Input, 5 V Single Supply, 14-Bit, Serial 4.5 µs ADC in 8-Pin Package

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 12
1ku List Price Starting From $12.54
Features
  • Fast 14-Bit ADC with 5 µs Conversion Time
  • 8-Lead SOIC Package
  • Single 5 V Supply Operation
  • High Speed, Easy-to-Use, Serial Interface
  • On-Chip Track/Hold Amplifier
  • High Input Impedance
  • Selection of Input Ranges:
  • ±10 V for AD7894-10
    ±2.5 V for AD7894-3
    0 V to +2.5 V for AD7894-2
  • Low Power: 20 mW Typ
  • Pin Compatible Upgrade of 12-Bit AD7895
Additional Details
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The AD7894 is a fast, 14-Bit Analog-to-Digital Converter that operates from a single +5 V supply and is housed in a small 8-pin SOIC. The part contains a 5 µs successive approximation A/D converter, an on-chip track/hold amplifier, an on-chip clock and a high speed serial interface. Output data from the AD7894 is provided via a high speed, serial interface port. This two-wire serial interface has a serial clock input and a serial data output with the external serial clock accessing the serial data from the part.

In addition to the traditional dc accuracy specifications such as linearity, full-scale and offset errors, the AD7894 is also specified for dynamic performance parameters including harmonic distortion and signal-to-noise ratio. The part accepts an analog input range of ±10 V (AD7894-10), ±2.5V (AD7894-3), 0 V to 2.5 V (AD7894-2), and operates from a single +5 V supply consuming only 20 mW typical.

The AD7894 features a high sampling rate mode and, for low power applications, a proprietary automatic power down mode where the part automatically goes into power down once conversion is complete and "wakes up" before the next conversion cycle. The part is available in a small outline IC (SOIC).

PRODUCT HIGHLIGHTS

  1. Fast, 14-Bit ADC in 8-Lead Package The AD7894 contains a 5␣ µs ADC, a track/hold amplifier, control logic and a high speed serial interface, all in an 8-lead package. This offers considerable space saving over alternative solutions.
  2. Low Power, Single Supply Operation The AD7894 operates from a single +5 V supply and consumes only 20 mW. The automatic power-down mode, where the part goes into power-down once conversion is complete and “wakes up” before the next conversion cycle, makes the AD7894 ideal for battery powered or portable applications.
  3. High Speed Serial Interface The part provides high speed serial data and serial clock lines allowing for an easy, two-wire serial interface arrangement. 
Part Models 12
1ku List Price Starting From $12.54

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
AD7894ACHIPS-10
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AD7894ARZ-10
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AD7894ARZ-10REEL7
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AD7894ARZ-2
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AD7894ARZ-2REEL
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AD7894ARZ-2REEL7
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AD7894ARZ-3
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AD7894ARZ-3REEL
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AD7894ARZ-3REEL7
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AD7894BRZ-10
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AD7894BRZ-10REEL7
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AD7894BRZ-3
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Product Lifecycle

PCN

Nov 23, 2010

- 10_0004

Halogen Free Material Change for SOIC Narrow Body Products Assembled at Amkor

AD7894ARZ-10

PRODUCTION

AD7894ARZ-10REEL7

PRODUCTION

AD7894ARZ-2

PRODUCTION

AD7894ARZ-2REEL

PRODUCTION

AD7894ARZ-2REEL7

PRODUCTION

AD7894ARZ-3

PRODUCTION

AD7894ARZ-3REEL

PRODUCTION

AD7894ARZ-3REEL7

PRODUCTION

AD7894BRZ-10

PRODUCTION

AD7894BRZ-10REEL7

PRODUCTION

AD7894BRZ-3

PRODUCTION

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Nov 23, 2010

- 10_0004

arrow down

Halogen Free Material Change for SOIC Narrow Body Products Assembled at Amkor

AD7894ARZ-10

PRODUCTION

AD7894ARZ-10REEL7

PRODUCTION

AD7894ARZ-2

PRODUCTION

AD7894ARZ-2REEL

PRODUCTION

AD7894ARZ-2REEL7

PRODUCTION

AD7894ARZ-3

PRODUCTION

AD7894ARZ-3REEL

PRODUCTION

AD7894ARZ-3REEL7

PRODUCTION

AD7894BRZ-10

PRODUCTION

AD7894BRZ-10REEL7

PRODUCTION

AD7894BRZ-3

PRODUCTION

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