SM9501A/B
Radio Controlled Clock Receiver IC
OVERVIEW
The SM9501A/B is a BiCMOS RCC
*1
receiver IC. It accepts low frequency standard wave input received
from an external antenna, amplifies it, detects the data signal, and outputs a digital time code signal.
FEATURES
I
PINOUT
(Top view)
ina
VDDA
IN1
IN3
IN2
1
I
I
I
I
I
I
I
I
I
ORDERING INFORMATION
Device
SM9501AV
SM9501BV
CF9501A
lim
Package
16-pin VSOP
Chip form
Operating supply voltage range
• 2.4 to 3.6V (A version)
• 4.5 to 5.5V (B version)
Operating current consumption
• 55
µ
A (typ) @3V (A version)
• 55
µ
A (typ) @5V (B version)
Standby current consumption
• 0.1
µ
A (max) @3V (A version)
• 0.1
µ
A (max) @5V (B version)
High sensitivity: 0.5
µ
Vrms input
Wide frequency range (35kHz to 80kHz)
Include analog switch for antennatuning capaci-
tors change
AGC gain hold function
External crystal filter connection
BiCMOS process
Package:16-pin VSOP, Chip form
PACKAGE DIMENSIONS
(Unit: mm)
4.4 ± 0.2
6.4 ± 0.2
pre
0.275TYP
5.1 ± 0.2
1.15 ± 0.1
0 to 10 °
0.10
+ 0.1
0.22
−
0.05
0.12 M
NIPPON PRECISION CIRCUITS INC.—1
0.10 ± 0.05
0.65
0.5 ± 0.2
ry
16
*1
:
Radio controlled clock
VDD
PON
OUT
VSS
HLDN
CP
CB
LF
FCN
XO
VSSA
XI
8
9
+0
0.15
−
.1
0.05
NPC [ NIPPON PRECISION CIRCUITS INC ]
