NEW
Frequency Timing and Translation Modules
Frequency Controlled Crystal Oscillator (FCXO)
Model Name NW19M12WA/B
Clock Generator Modules
Main Application
n
GSM (GPRS, EDGE), Communications equipment
Features
n
l Low phase noise.
l
Lock acquisition time < 3 second
Specifications
n
Model
NW19M12WA
NW19M12WB
50mA max
Item
+3.3V 5ꢀ
−10 to +75
Supply Voltage (VCC
)
40mA max
Current Consumption
Operating Temp. Range
Input Level
°C
0.5Vp-p min, 2.0Vp-p max
32.768
2ppm
61.44
2ppm
≤
≤
Input Reference Frequency (MHz)
Input Impedance
Output Level
Output Frequency (MHz)
Duty Cycle (at 25°C)
Control Voltage Output for Monitor
Lock Det. Outout
2 kΩ min
CMOS
104.0
122.88
45 to 55ꢀ (at 0.5×VCC)
Internal RC filter (R = 470kΩ, C = 0.01 to 0.1μF)
L : PLL out of lock, H : PLL in lock
dBc/Hz
−80 typ.
−110 typ.
−136 typ.
−148 typ.
−151 typ.
dBc/Hz
−75 typ.
−97 typ.
−129 typ.
−147 typ.
−150 typ.
Offset Frequency
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
Phase Noise
(@PLL Lock)
List of Ordering Codes
n
Input Reference frequency (MHz)
Output frequency (MHz)
Ordering Code
NW19M12WA-104M-NSA3435A
NW19M12WB-122.88M-NSA3435B
32.768
61.44
104.0
122.88
Dimensions
Phase Noise (Example 104 MHz)
n
n
mm
Phase Noise 10.00dB/Ref -20.00dBc/Hz
−20.00
Carrier 103.999916MHz 11.3690dBm
PAD No.
#1
Connection
−40.00
−60.00
80.00
Control Voltage Output
LD Output
GND
GND
#2
#6
#7
#8
#9
#13
#14
19.8 0.2
100.00
120.00
140.00
160.00
180.00
Output
GND
Fref IN
VCC
Reference land pattern
15.24 0.1
10.16 0.1
15.24 0.1
10.16 0.1
1Hz
10Hz
100Hz
1kHz
10kHz
100kHz
1MHz
#1 #2
#6 #7
n Phase Noise Measurement Block (104 MHz)
*1
Signal
Source
Analyzer
Fref IN
OCXO
NW19M12WA Output
104MHz
2.5
1.3
Input
#14 #13
#9 #8
1.00
32.768MHz
DC Power Out +3.3V
VCC
VCC
An external power supply
*1 Use NDK’ s OCXO 32.768MHz
co36_080205_NW19M12WAB_e1
