Position: Home  > All Categories> Integrated Circuits (ICs) > L3936A

L3936A

Features: SPEECH CIRCUIT· 2 TO 4 WIRES CONVERSION· PRESENT THE PROPERDC PATH FOR THE LINE CURRENT AND THE FLEXIBILITY TO ADJUST IT AND ALLOW PARALLEL PHONE OPERATION· PROVIDES SUPPLY WITH LIMITED CURRENT FOR EXTERNAL CIRCUITRY· SYMMETRICAL HIGH IMPEDANCE MICROPHONE INPUTS SUITABLE FOR DYNAMIC ELEC...

product image

L3936A Picture
See larger image
SeekIC No. : 004389116 Detail

L3936A: Features: SPEECH CIRCUIT· 2 TO 4 WIRES CONVERSION· PRESENT THE PROPERDC PATH FOR THE LINE CURRENT AND THE FLEXIBILITY TO ADJUST IT AND ALLOW PARALLEL PHONE OPERATION· PROVIDES SUPPLY WITH LIMITED CU...

L3936A Data Sheet

floor Price/Ceiling Price

Get Latest Price
Part Number:
L3936A
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

SeekIC Buyer Protection PLUS - newly updated for 2013!

  • Escrow Protection.
  • Guaranteed refunds.
  • Secure payments.
  • Learn more >>

Month Sales

268 Transactions

Rating

evaluate  (4.8 stars)

Upload time: 2024/4/27

add to my favourite

Payment Methods

All payment methods are secure and covered by SeekIC Buyer Protection PLUS.

Notice: When you place an order, your payment is made to SeekIC and not to your seller. SeekIC only pays the seller after confirming you have received your order. We will also never share your payment details with your seller.
Product Details

Description



Features:

SPEECH CIRCUIT
· 2 TO 4 WIRES CONVERSION
· PRESENT THE PROPERDC PATH FOR THE LINE CURRENT AND THE FLEXIBILITY TO ADJUST IT AND ALLOW PARALLEL PHONE OPERATION
· PROVIDES SUPPLY WITH LIMITED CURRENT FOR EXTERNAL CIRCUITRY
· SYMMETRICAL HIGH IMPEDANCE MICROPHONE
   INPUTS SUITABLE FOR DYNAMIC
   ELECTRET OR PIEZOELECTRIC
   TRANSDUCER
· ASYMMETRICAL EARPHONE OUTPUT SUITABLE FOR DYNAMIC TRANSDUCER
· LINE LOSS COMPENSATION
· INTERNAL MUTING TO DISABLE SPEECH DURING DIALING
· LIGHTED DIAL LED CONSUMING 25% OF LINE CURRENT
DIALER CIRCUIT
· 32 DIGITS FOR LAST NUMBER REDIAL BUFFER
· 18 DIGITS FOR 13 MEMORY REDIAL
· ALLOW MIXED MODE DIALING IN EITHER TONE OR PULSE MODE
· PACIFIER TONE PROVIDES AUDIBLE INDICATION OF VALID KEY PRESSED IN A BUZZER OR/AND IN THE EARPHONE
· TIMED PABX PAUSE
· FLASH INITIATES TIMED BREAK:
  MASK OPTIONS WITH 585ms,300ms,100ms.
· CONTINUOUS TONE FOR EACH DIGIT UNTIL KEY RELEASE
· USES INEXPENSIVE 3.579545MHz CERAMIC RESONATOR
· POWERED FROM TELEPHONE LINE, LOW OPERATING VOLTAGE FOR LONG LOOP APPLICATION


Pinout

Connection Diagram


Specifications

Symbol Parameter
Value
Unit
VIN Positive Line Voltage Continuous
12
V
ILN Line Current
140
mA
VDD Logic Voltage
7.0
V
VI Maximum Voltage on Any Pin
GND(-0.3) VDD(+0.3)
V
Tamb Operating Temperature Range
-25 to +75
Tstg Storage Temperature
-40 to 25
Ptot Total Power Dissipation
700
mW



Description

L3936A consists of the speech and the dialer. L3936A provides the DC line interface circuit that terminates the telephone line, analog amplifier for speech transmission and necessary signals for either DTMF or loop disconnect (pulse) dialing.




Customers Who Bought This Item Also Bought

Margin,quality,low-cost products with low minimum orders. Secure your online payments with SeekIC Buyer Protection.
You may also be interested in :
Industrial Controls, Meters
SGDM-15ADA
41AA1600E
Prototyping Products
AVT4168
DE1
RF and RFID
X3C26P1-30S
1P620S
Hardware, Fasteners, Accessories
MF-A02
LMS700KF07
Potentiometers, Variable Resistors
RV24YN
WXD4-23-3W
Motors, Solenoids, Driver Boards/Modules
IHSS57-36-20
ASD-B2-1521-B
View more