UBA1707 NXP Semiconductors, UBA1707 Datasheet - Page 4

• Manufacturer Part Number: UBA1707
• Description: Cordless Telephone, Answering Machine Line Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1999 Feb 17
handbook, full pagewidth
Cordless telephone, answering machine
line interface
Bit names are given in italics.
R RGL
LSPGND
LSAI1
LSAI2
AGC 9
V CC 25
TXI
TXI
RGL 5
RXI 10
AXI
18
17
15
26
27
23
INTERFACE
13
EN
2V d
2V d
SERIAL
2V d
CRC
RAGC2
14
CLK DATA
19
REG
V
V
EHI
V
V
LSPD
I
I
12
EHI
I
I
600 mV
AXM
RAGC1
LSA1
LSA2
SUPPLY
PD
RXM
0.5V CC
2V d
SWC1, SWC2,
SWC3
AGC
Fig.1 Block diagram.
UBA1707
2
LSPD
3
SAGC,
AGC
2V d
LOW VOLTAGE
VOLUME CONTROL
200 nA
DYNAMIC LIMITER
LIMITATION
LOUDSPEAKER CHANNEL
CURRENT
4
PART
300 mV
AUXILIARY AMPLIFIER
GENERAL SWITCHES
LINE INTERFACE
V CC
SLPE
EHI
3
V CC
DLCI
LSPD
VOL0
TO
VOL2
MGK705
22
16
24
28
11
21
20
19
8
2
1
3
6
7
4
SLPE
RXO
AXO
LSAO
DLC
GND
LN
REG
EHI
LCC
CST
LVI
SWI1
SWI2
SWI3
R LVI
C DLC
R SLPE
C CST
C REG
Z SET
TN ON-HOOK
V CC
TP DARL
D
Product specification
TN SW
UBA1707
LN
LN