AD7740KRMZ

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Series Information for AD7740KRMZ - Analog Devices

Features

  • feature
    Synchronous Operation Full-Scale Frequency Set by External System Clock 8-Lead SOT-23 and 8-Lead MSOP Packages 3 V or 5 V Operation Low Power: 3 mW (Typ) Nominal Input Range: 0 to VREF True u2013150 mV Capability Without Charge Pump VREF Range: 2.5 V to VDD Internal 2.5 V Reference 1 MHz Max Input Frequency Selectable High Impedance Buffered Input Minimal External Components Required

Description

IC VFC SYNC 8MSOP

The AD7740 is a low-cost, ultrasmall synchronous Voltage-to- Frequency Converter (VFC). It works from a single 3.0 V to 3.6 V or 4.75 V to 5.25 V supply consuming 0.9 mA. The AD7740 is available in an 8-lead SOT-23 and also in an 8-lead MSOP package. Small package, low cost and ease of use were major design goals for this product. The part contains an on-chip 2.5 V 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 1 MHz. For an analog input signal that goes from 0 V to VREF, the out- put frequency goes from 10% to 90% of fCLKIN. In buffered mode, the part provides a very high input impedance and accepts a range of 0.1 V to VDD – 0.2 V on the VIN pin. There is also an unbuffered mode of operation that allows VIN to go from –0.15 V to VDD + 0.15 V. The modes are interchangeable using the BUF pin. The AD7740 (Y Grade) is guaranteed over the automotive temperature range of –40°C to +105°C. The AD7740 (K Grade) is guaranteed from 0°C to 85°C.

Specifications

Frequency:
1MHz
Full Scale Range:
0Hz to 500kHz
Linearity %:
1%
Supply Voltage Range:
3V to 5.25V
Digital IC Case:
MSOP
No. of Pins:
8Pins
Product Range:
AD7740 Series
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Base Number:
7740
Converter Type:
Voltage / Frequency
Input Voltage Max:
2.5V
Linearity:
1%
Operating Temperature Max:
85°C
Operating Temperature Min:
0°C
Operating Temperature Range:
0°C to +85°C
Output Voltage Max:
2.7V
Supply Current:
1.1mA
Supply Voltage Max:
5.25V
Supply Voltage Min:
3V
Termination Type:
Surface Mount Device

Alternate Descriptions

RS Components
V-F converter,AD7740K 1MHz sync uSOIC
Newark Electronics
V/F CONVERTER, 1MHZ, 1%, 8-SOIC; Frequency:1MHz; Full Scale Range:500kHz; Linearity %:1%; Supply Voltage Range:3V to 5.25V; Digital IC Case:SOIC; No. of Pins:8Pins; Product Range:AD7740 Series; MSL:MSL 1 - Unlimited RoHS Compliant: Yes
Transfer Multisort Elektronik
Integrated circuit: U/f converter; microSO8; 3÷5.25V
RS Components UK
V-F converter,AD7740K 1MHz sync uSOIC
RS Components DE
Spannung/Frequenz Wandler AD7740KRMZ, Synchron 1000kHz ±0.018% of Span uSOIC, 8-Pin Wandler-Funktion : VFC Stromversorgungs-Typ : Single Versorgungsspannung einzeln typ. : 3,3 V, 5 V Montage-Typ : SMD Abmessungen : 3 x 3 x 0.85mm Länge : 3mm Betriebstemperatur max. : +85 °C Betriebstemperatur min. : 0 °C, Analog Devices
RS Components HK
V-F converter,AD7740K 1MHz sync uSOIC
RS Components JP
V-F converter,AD7740K 1MHz sync uSOIC
RS Components FR
V-F converter,AD7740K 1MHz sync uSOIC
RS Components CN
V-F converter,AD7740K 1MHz sync uSOIC
RS Components ES
V-F converter,AD7740K 1MHz sync uSOIC
RS Components NL
V-F converter,AD7740K 1MHz sync uSOIC
RS Components NO
AD7740KRMZ
RS Components US
V-F converter,AD7740K 1MHz sync uSOIC
RS Components SG
V-F converter,AD7740K 1MHz sync uSOIC
RS Components TW
Convertitore A-D sincrono AD7740KRMZ