NPC SM5168BAV Datasheet
SM5168BAV
NIPPON PRECISION CIRCUITS INC.
OVERVIEW
The SM5168BAV is a PLL ICs fabricated in NPC’s
Molybdenum-gate CMOS process. This is designed
for use in transmitter/receiver stages in mobile telephones and similar applications.
And it built in LD pin of lock detect signal output.
FEATURES
■
2.7 to 3.3 V operation
■
300 MHz maximum operating frequency
(V
= 2.7 V)
DD
■
Low power consumption
■
Charge pump outputs for passive filter
■
Lock detect pin
■
Power-save pin for reduced power dissipation
■
−30 to 85 ° C operating temperature range
■
8-pin VSOP
■
Molybdenum-gate CMOS process
PLL Frequency Symthesizer ICs
PINOUT
16-pin VSOP
VDD
DO
VSS
FIN
1
2
3
4
5168BA
PACKAGE DIMENSIONS
Unit: mm
8
9
10
11
XIN
LD
TEST
TR
APPLICATIONS
■
Mobile communications
■
PHS-type portable telephones
■
Similar applications
Setting Frequency
TR
HIGH
LOW
XIN reference
input frequency
14.4MHz 72 185.2MHz 926 200kHz
14.4MHz 72 260.2MHz 1301 200kHz
Reference divider
count.
FIN input
frequency
0.585 TYP
0.65
3.12 0.3
0.22 0.1
FIN divider count.
6.4 0.3
4.4 0.2
+ 0.10
0.15
− 0.05
1.15 0.05
1.30 MAX
Phase comparator
frequency
0.5 0.2
preliminary
NIPPON PRECISION CIRCUITS—1
BLOCK DIAGRAM
SM5168BAV
XIN
TR
TEST
FIN
R-counter
DECORDER
N-counter
FR
Phase
Detector
FV
PIN DESCRIPTION
Number Name I/O Description
1 VDD – 2.7 to 3.3V suppply voltage pin.
2DOO
3 VSS – Ground pin
4 FIN I
5TRI
6 TEST I Test pin. should be Open or V
7 LD O Unlock signal output pin. Low when unlock.
8 XIN I
PLL phase comparator tristate output pin.
Built-in charge pump means that this output can be connected to a low-pass filter. The output polarity is
preset for connection to a passive filter.
PLL comparator frequency divider input pin.
Feedback resistor built-in for AC-coupled inputs.
SS
PLL reference frequency divider input pin.
Feedback resistor built-in for AC-coupled inputs.
Charge
Pump
Lock
Detector
DO
LD
NIPPON PRECISION CIRCUITS INC. reserves the right to make changes to the products described in this data sheet in order to
improve the design or performance and to supply the best possible products. Nippon Precision Circuits Inc. assumes no responsibility for
the use of any circuits shown in this data sheet, conveys no license under any patent or other rights, and makes no claim that the circuits
are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Nippon Precision
Circuits Inc. makes no claim or warr anty that such applications will be suitab le for the use specified without further testing or modification.
The products described in this data sheet are not intended to use for the apparatus which influence human lives due to the failure or
malfunction of the products. Customers are requested to comply with applicable laws and regulations in effect now and hereinafter,
including compliance with export controls on the distribution or dissemination of the products. Customers shall not export, directly or
indirectly, any products without first obtaining required licenses and approvals from appropriate government agencies.
preliminary
NIPPON PRECISION CIRCUITS INC.
NIPPON PRECISION CIRCUITS INC.
4-3, 2-chome Fukuzumi
Koto-ku, Tokyo 135-8430, Japan
Telephone: 03-3642-6661
Facsimile: 03-3642-6698
NC9629AE 1998.08
NIPPON PRECISION CIRCUITS—2
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