PLL FREQUENCY SHNTHESIZER FOR PAGER
S5T8808A
INTRODUCTION
S5T8808A is a superior low-power-programmable PLL frequency
synthesizer which can be used in a high performance Wide Area
Pager system.
S5T8808A consists of 2 kinds of divider block including a 17bit Shift
register, 16-bit Latch, 14/16-bits Counter, Prescaler, and a phase
detector block including a Phase detector, Lock detector and a
Charge pump.
16鈭扵SSOP鈭?044
FEATURES
鈥?/div>
Maximum operating frequency:
120MHz @ 500mV
P-P
, V
DD1
= 0.95V, V
DD2
= 3.0V
165MHz @ 500mV
P-P
, V
DD1
= 1.0V, V
DD2
= 3.0V
( Magnification = 1 : 4 )
鈥?/div>
鈥?/div>
On-chip reference oscillator supports external crystal which oscillates up to 18MHz
Superior supply current:
F
FIN
= 90MHz, I
DD1
= 0.6mA (Typ.) @ V
DD1
= 1.0V, V
DD2
= 3.0V
F
FIN
= 150MHz, I
DD1
= 0.9mA (Typ.) @ V
DD1
= 1.0V, V
DD2
= 3.0V
Operating voltage: V
DD1
= 0.95 ~ 2.0V and V
DD2
= 2.0 ~ 3.3V
Reference frequency counter divider range: 1 / 28 ~ 1 / 65532 (Multiple 4)
But, the Divider range with FRC_High state: 1 / 7 ~ 1 / 16383
RX frequency counter divider range: 1 / 28 ~ 1 / 65535
Package type: 16鈭扵SSOP (0.65mm)
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
ORDERING INFORMATION
Device
+S5T8808A01-R0B0
+: New Product
Package
16鈭扵SSOP鈭?044
Operating Temperature
鈭?5擄C
to +75擄C
1
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