LM2907M-8/NOPB Part Information

Details for LM2907M-8/NOPB by Texas Instruments

Semiconductors - ICs > Data & Signal Conversion > V/F & F/V Converters

Part Description

The LM2907 and LM2917 devices are monolithic frequency-to-voltage converters with a high gain op amp designed to operate a relay, lamp, or other load when the input frequency reaches or exceeds a selected rate. The tachometer uses a charge pump technique and offers frequency doubling for lowripple, full-input protection in two versions (8-pin LM2907 and LM2917), and its output swings to ground for a zero frequency input. The op amp is fully compatible with the tachometer and has a floating transistor as its output. This feature allows either a ground or supply referred load of up to 50 mA. The collector may be taken above VCC up to a maximum VCE of 28 V. The two basic configurations offered include an 8-pin device with a ground-referenced tachometer input and an internal connection between the tachometer output and the op amp noninverting input. This version is well suited for single speed or frequency switching or fully buffered frequency-to-voltage conversion applications.

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Part Features

  • 50-mA Sink or Source to Operate Relays, Solenoids, Meters, or LEDs
  • Easy to Use; VOUT = fIN u00d7 VCC u00d7 R1 u00d7 C1
  • Frequency Doubling For Low Ripple
  • Ground Referenced Tachometer Input Interfaces Directly With Variable Reluctance Magnetic Pickups
  • Ground-Referenced Tachometer is Fully Protected From Damage Due to Swings Above VCC and Below Ground
  • Op Amp Has Floating Transistor Output
  • Output Swings to Ground For Zero Frequency Input
  • Tachometer Has Built-In Hysteresis With Either Differential Input or Ground Referenced Input
  • Zener Regulator on Chip allows Accurate and
  • u00b10.3% Linearity (Typical)

Part Specifications

Frequency 10kHz
Full Scale Range -
Linearity % 0.3%
Supply Voltage Range 28V
Digital IC Case SOIC
No. of Pins 8Pins
Product Range -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Converter Type Frequency / Voltage
Operating Temperature Max 85°C
Operating Temperature Min -40°C
Output Current Max 240µA
Output Voltage Max 8.3V
Supply Current 3.8mA
RoHS Compliant

Alternative Part Descriptions

  • Frequency - Voltage Converter LM2907M-8 | RS Components
  • IC, F/V CONVERTOR, 10KHZ, 0.3%, SOIC-8; Frequency:10kHz; Full Scale Range:-; Linearity %:0.3%; Supply Voltage Range:28V; Digital IC Case:SOIC; No. of Pins:8Pins; Product Range:-; MSL:MSL 1 - Unlimited; SVHC:No SVHC (15-Jan-2019); RoHS Compliant: Yes | Newark Electronics
  • FVC 8-Pin SOIC N Rail | Avnet America
  • Integrated circuit: f/U converter; Channels: 1; 50mA; 6÷28VDC; SO8 | Transfer Multisort Elektronik
  • Frequency to Voltage Converter for ground or supply referred load up to 50-mA | Texas Instruments
  • U/F converter IC [Texas Instruments] LM2907M-8/NOPB U/F converter IC | Distrelec

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