SM5170AV Datasheet, PDF (3/10 Pages) Nippon Precision Circuits Inc – PLL Synthesizer IC

SM5170AV
PIN DESCRIPTION
Number
1
2
3
4
Name
XIN
XOUT
VDD2
DB
5
DO
6
VSS
7
FIN
8
VDD1
9
NC
10
LD
11
CLK
12
D ATA
13
LE
14
OPR
15
NC
16
TEST
I/O Supply
Description
I
1 V _{Reference frequency divider crystal oscillator connection pins. Alternatively, an external clock input can}
O
1 V ^{be connected to XIN. The clock is output on XOUT. Feedback resistor built-in for AC-coupled inputs.}
–
3 V Phase comparator, charge pump and booster signal 3 V supply
O
3 V Booster signal output for faster locking
O
3V
Phase comparator output pin. Built-in charge pump and tristate output means that this output can be
connected to a low-pass filter. The output polarity is preset for connection to a passive filter.
–
– Ground pin
I
1 V FIN input frequency divider input pin. Feedback resistor built-in for AC-coupled inputs.
–
1 V Reference frequency and FIN input frequency prescaler and counter 1 V supply
–
– No connection
O
1V
Unlock signal output pin. (Unlocked when LOW). The function of LD can be turned OFF using the LD
input control bit (LD should be tied LOW when not used).
I
3 V Control data clock input pin
I
3 V Control data input pin
I
3 V Control data latch enable signal input pin
I
3 V Power-save control pin. Start when HIGH, standby mode when LOW .
–
– No connection
I
1 V Test pin. Pull-down resistor built-in. Leave open or connect to ground for normal operation.
SPECIFICATIONS
Absolute Maximum Ratings
V_SS = 0 V
Parameter
Supply voltage
Input voltage range
Storage temperature range
Power dissipation
Symbol
V _DD1
V _DD2
V _IN1
V _IN2
T _stg
P_D
Condition
VDD1
VDD2
FIN, XIN, TEST
OPR, CLK, DATA, LE
Recommended Operating Conditions
V_SS = 0 V
Parameter
Supply voltage
Operating temperature range
Symbol
V _DD1
V _DD2
T_opr
Condition
VDD1
VDD2
Rating
Unit
−0.3 to 2.0
V
−0.3 to 4.6
V
V_SS − 0.3 to V_DD1 + 0.3
V
V _SS − 0.3 to V_DD2 + 0.3
V
−40 to 125
°C
150
mW
Rating
Unit
0.95 to 1.2
V
2.0 to 3.3
V
−10 to 60
°C
NIPPON PRECISION CIRCUITS—3