-40%

ECG1690 Telephone DTMF Dialer ~ 16 Pin DIP (NTE1690)

$ 3.16

Availability: 24 in stock
  • Number of Pins: 16
  • Condition: New
  • Item must be returned within: 30 Days
  • MPN: ECG1690
  • Brand: Philips ECG
  • Type: Interface IC
  • Refund will be given as: Money back or replacement (buyer's choice)
  • All returns accepted: Returns Accepted
  • Return shipping will be paid by: Buyer
  • Mounting Style: Through-Hole
  • California Prop 65 Warning: This product can expose you to certain chemicals, known to the state of California to cause cancer or birth defects or other reproductive harm.

    Description

    The ECG1690 is a monolithic integrated circuit in a 16−Lead DIP type package fabricated using CMOS process and is designed specifically for integrated tone dialer applications.
    Features:
    High Accuracy Tones
    Digital Divider Logic, Resistive Ladder Network and CMOS Operational Amplifier on a Single Chip
    Uses Inexpensive 3.579545MHz Television Color Burst Crystal
    Invalid Key Entry Can Result in Either Single Tone or No Tone
    Tone Disable Allows Any Key Down Output to Function from Keyboard Input Without Generating Tones
    Functions:
    Fixed Supply Operation
    Negative−True Keyboard Input
    Tone Disable Input
    Stable−Output Level
    Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
    Supply Voltage, VDD: 10.5V
    Any Input Relative to VDD (Except Pin10), VN: 0.3V
    Any Input Relative to GND (Except Pin10), VN: −0.3V
    Power Dissipation, PD: 500mW
    Operating Temperature Range, Topr: −30° to +60°C
    Storage Temperature Range, Tstg: −55° to +150°C