Low

ANALOG DEVICES  AD7740KRMZ  Voltage to Frequency Converter, 1 MHz, 500kHz, 1 %, 3V to 5.25V, SOIC, 8 Pins

ANALOG DEVICES AD7740KRMZ
Technical Data Sheet (384.27KB) EN See all Technical Docs

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Product Overview

The AD7740KRMZ is a Low Power Synchronous Voltage to Frequency Converter that works from a single 3 to 5.25V supply consuming 0.9mA. The part contains an on-chip 2.5V bandgap reference but the user may overdrive this using an external reference. This external reference range includes VDD. The full-scale output frequency is synchronous with the clock signal on the CLKIN pin. This clock can be generated with the addition of an external crystal (or resonator) or supplied from a CMOS-compatible clock source. The part has a maximum input frequency of 1MHz. For an analogue input signal that goes from 0V to VREF, the output frequency goes from 10% to 90% of fCLKIN. There is also an unbuffered mode of operation that allows VIN to go from -0.15 to VDD +0.15V. The modes are interchangeable using the BUF pin.
  • Synchronous operation
  • Full-scale frequency set by external system clock
  • 3mW Typical low power
  • 2.5V Internal reference
  • Selectable high impedance buffered input
  • Minimal external components required
ESD sensitive device, take proper precaution while handling the device.

 

Product Information

Frequency:
1MHz
Full Scale Range:
500kHz
Linearity %:
1%
Supply Voltage Range:
3V to 5.25V
Digital IC Case:
SOIC
No. of Pins:
8Pins
Packaging:
Each
Product Range:
AD7740 Series
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Power Management;
  • Signal Processing;
  • Automotive;
  • Sensing & Instrumentation

Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
Product Traceability
RoHS Compliant:
Yes
Authorized Distributor

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