Miniature SM VCTCXO with Clipped Sine Output and ±0.5ppm Stability Option

  • Ideally suited for wireless applications
  • Supply voltage from 1.8V ~ 3.3V
  • Excellent frequency stability over -40 to +85°C
  • Excellent phase noise
  • Industry standard 3225 package
Configurable Options
ParameterOption Code
Temperature stability
Temperature range
Supply voltage (VDD)

* Will operate within specification on any supply voltage from +2.3V to +3.3V

Quantity / Special Request

Please specify the quantity you require below.

The GTXO-91V is supplied on tape and reel. 1k or 3k pcs per reel are the standard T&R pack sizes for this product. Partial quantities may be supplied on tape (no reel), or in bulk.

Product Description

The GTXO-91V temperature compensated oscillator is available with a wide range of supply voltages and offers excellent frequency stability with options as tight as ±0.5ppm, in addition to ±8ppm frequency adjustment via voltage control.

This TCXO also has extremely low phase noise characteristics of -153dBc/Hz @ 100kHz, clipped sine output, and very fast start up time of 2.5ms maximum, making it ideal for wireless applications.

Frequency range 8.0 ~ 52.0MHz
Dimensions 3.2 x 2.5 x 1.0mm
Storage temperature range -40 to +85°C
Supply voltage stability ±0.2ppm, VDD ±5%
Load stability ±0.2ppm, ZL ±10%
Ageing ±1.0ppm max first year
Supply current 1.5mA max (8.0 ~ 26.0MHz)
2.0mA max (26.0 ~ 32.0MHz)
2.5mA max (32.0 ~ 52.0MHz)
Output waveform Clipped sine, 0.8V p-p, +DC offset
Test load (ZL) 10kΩ // 10pF
Start up time 2.5ms max
Frequency adjustment ±8ppm min, 1.5 ±1.0V
±8ppm min, +0.9 ±0.9V (VDD=1.8V)
Phase noise (typ @ 20.0MHz) -90dBc/Hz @ 10Hz
-119dBc/Hz @ 100Hz
-139dBc/Hz @ 1kHz
-151dBc/Hz @ 10kHz
-153dBc/Hz @ 100kHz
Frequency tolerance @ 25°C ±2.0ppm max, 60mins after reflow
Package Drawing
Golledge 3225 SM TCXO package
Ordering Information

To request a quotation for the GTXO-91V please use the configurable options form to choose the options you require and then submit your configured product to our team. Our expert advisers are always happy to help with your requirements and can be contacted on +44 1460 256 100 or at

Following product selection you will be issued with a seven character Golledge part number. Your Golledge part number is the internationally accepted Golledge manufacturing part number (MPN) that should be used for all project documentation, including bills of materials (BoMs) and purchase orders.

If you have any queries regarding any of our documentation our dedicated sales team will be happy to help.

Soldering Profile
Solder reflow profile
Tape & Reel Specification
Tape and Reel specifications
Handling & Storage

ESD-HBM-1A Human Body Model (HBM) 1A (250V to <500V)

MSL1 Moisture Sensitivity Level (MSL): 1 (or not applicable)

  • Ceramic body with gold-plated pads
  • Metal lid, seam sealed
Material Composition

PbFree Lead-free (< 0.1% by weight )

RoHS compliant with no exemptions RoHS compliant with no exemptions. See our declaration

REACH REACH compliant. See our statement

Conflict Minerals Statement Free of conflict minerals. See our declaration

Halogen Free Statement Free of Halogens. See our declaration

Ozone Depletion Statement Free of Ozone-depleting substances. See our declaration