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UBA1702AT Datasheet(PDF) 4 Page - NXP Semiconductors

Part # UBA1702AT
Description  Line interrupter driver and ringer
PDF  24 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

UBA1702AT Datasheet(HTML) 4 Page - NXP Semiconductors

  UBA1702AT Datasheet HTML 1Page - NXP Semiconductors UBA1702AT Datasheet HTML 2Page - NXP Semiconductors UBA1702AT Datasheet HTML 3Page - NXP Semiconductors UBA1702AT Datasheet HTML 4Page - NXP Semiconductors UBA1702AT Datasheet HTML 5Page - NXP Semiconductors UBA1702AT Datasheet HTML 6Page - NXP Semiconductors UBA1702AT Datasheet HTML 7Page - NXP Semiconductors UBA1702AT Datasheet HTML 8Page - NXP Semiconductors UBA1702AT Datasheet HTML 9Page - NXP Semiconductors Next Button
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1997 Sep 29
4
Philips Semiconductors
Product specification
Line interrupter driver and ringer
UBA1702; UBA1702A
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MBE184
VDD
VSS
DIGITAL
-TO-
ANALOG
CONVERTER
VDD
VSS
VDD
VSS
VDD
VOLUME
CONTROL
15
14
13
RV0
RV1
RV2
16
RINGER
THRESHOLD
11
R ref
VSS
RINGER MELODY INPUT AND PIEZO DRIVER
1/2 VDD
VDD
VDD
VRR
VSS
VRR
VSS
22
ROA
ROB
20
R ref
RINGER
PROTECTION
RPI
23
VDD
VSS
12
RINGER FREQUENCY
DETECTION
VSS
SUPPLY
RINGER
VDD
REFERENCES
Vref
18
19
VDD
VBB
Sref
Rref
SPO
VSS
UBA1702; UBA1702A
UBA1702T; UBA1702AT
7
17
VEE
VSS
VDD
VSS
8
MSI
R ref
MSA
S ref
ZPA
MUTE SWITCH
ZENER PROTECTION
SPEECH
10
9
Sref
SENSE
Sref
VDD
VSS
LINE CURRENT MANAGEMENT
6
5
26
24
25
CLA
CDO
CDA
SPI
SPO
VRR
RTA
21
RMI
SWITCH
DRIVER
VSS
14 V
2
1
SDI
SDO
DPI
EHI
4
28
RFO
VRR



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