Description

The SM5009AN1S-ET is a crystal oscillator module IC that is designed with a low crystal current type oscillating circuit. This circuit helps to reduce the crystal current compared to other similar products. The SM5009AN1S-ET is capable of stable fundamental oscillation up to 40MHz by simply connecting a crystal. It is ideal for SMD type crystal oscillators using a strip-shaped crystal blank.

Specifications and features

• Low crystal current oscillator
• Up to 40MHz operating frequency range (fundamental oscillation)
• Operating supply voltage range:
  • 3V operation: 2.7 to 3.6V
  • 5V operation: 4.5 to 5.5V
• -40 to 85°C operating temperature range
• Oscillation capacitors CG, CD built-in
• Inverter amplifier feedback resistor built-in
• Standby function:
  • Oscillator stops (AL series), high impedance in standby mode
  • Low standby current
  • Power-save pull-up resistor built-in (AL series)
• Frequency divider built-in (fO, fO/2, fO/4, fO/8, fO/16, fO/32 determined by internal connection)
• Output drive capability:
  • AL×, AN×, AK×, CN×: 16mA (VDD = 4.5V)
  • AH×: 4mA (VDD = 4.5V)
• Output load: CL = 50pF max.
• Output duty level:
  • CMOS level (1/2 VDD): AL×, AN×, AH×, CN×
  • TTL level (1.4V): AK×
• Molybdenum-gate CMOS process
• 8-pin SOP (SM5009×××S)
• Chip form (CF5009×××)

Application Scenarios

The SM5009AN1S-ET can be used in various electronic devices that require stable crystal oscillator modules. It is particularly well-suited for SMD type crystal oscillators using strip-shaped crystal blanks.

Comparison

• Incorporates low crystal current type oscillating circuit to reduce crystal current
• Stable fundamental oscillation up to 40MHz
• Wide operating supply voltage range
• Low standby current
• Output drive capability of up to 16mA
• Various output duty levels
• Available in both 8-pin SOP and chip form

• Not suitable for operating temperatures below -40°C or above 85°C
• Output load limited to 50pF