TEA1064A/C1 Philips Semiconductors (Acquired by NXP), TEA1064A/C1 Datasheet - Page 27

• Manufacturer Part Number: TEA1064A/C1
• Description: TEA1064A; Low Voltage Versatile Telephone Transmission Circuit With Dialler Interface And Transmit Level Dynamic Limiting
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
For the basic application giving regulated line voltage the above circuit is changed as follows:
March 1994
handbook, full pagewidth
handbook, full pagewidth
R15 must be short-circuited;
the value of R16 is changed to 392 ;
the value of C3 is changed to 4.7 F.
Low voltage versatile telephone transmission circuit
with dialler interface and transmit level dynamic limiting
Fig.25 Typical DTMF-pulse set application circuit (simplified) showing the TEA1064A with the CMOS bilingual
Fig.26 Typical pulse dial set application circuit (simplified) showing the TEA1064A with one of the PCD332X
telephone
telephone
dialling circuit PCD3310; the broken line indicates optional flash (register recall by timed loop break).
family of CMOS interrupted current-loop dialling circuits.
line
line
contact
contact
cradle
cradle
BST76A
BST76A
TEA1064A
TEA1064A
DP/flash
V EE
V EE
LN
LN
27
V CC2
SLPE
V CC2
SLPE
MUTE
DTMF
MUTE
DTMF
PD
PD
DTMF
M
FL
M
DP
V SS
V SS
V DD
V DD
PCD3310
PCD332x
FAMILY
Product specification
TEA1064A
MGR079
MGR080