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PDF WF5041A1A-4 Data sheet ( Hoja de datos )
| Número de pieza | WF5041A1A-4 | |
| Descripción | High-stability Crystal Oscillator IC | |
| Fabricantes | NPC | |
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5041 series
High-stability Crystal Oscillator IC with Frequency Adjustment Function
OVERVIEW
The 5041 series are high-stability clock oscillator ICs with built-in frequency adjustment functions. The
frequency adjustment functions can be optimized, by the addition of a minimal adjustment process, to improve
the frequency stability. The function is implemented using frequency adjustment data written to a built-in
EEPROM over a 1-wire serial interface. The ICs are ideal for compact crystal oscillators for use in applications
such as WiMAX (Worldwide Interoperability for Microwave Access) and PLC (Power Line Communication)
that require high frequency stability in the order of ±30 to ±10ppm. They use a pad layout suitable for flip chip
bonding mounting.
FEATURES
I Realizing frequency stability improvement with
minimal additional process
I Temperature compensation range/ operating tem-
perature range: −40°C to +85°C
I Frequency adjustment functions built-in
• Frequency-temperature characteristics compen-
sation function
AT-cut crystal, 3rd order harmonic frequency-
temperature characteristics compensation, with
independent low-temperature and high-temper-
ature range compensation settings
- Center frequency adjustment function
- Temperature rotation compensation function
- Low-temperature characteristics compensation
- High-temperature characteristics compensation
I Rewritable EEPROM built-in
I 6 pads: same as general clock oscillator ICs
I Operating supply voltage range
• 5041A××: 2.25V to 3.63V
• 5041B×A: 1.60V to 2.25V
I Recommended oscillation frequency range:
20MHz to 55MHz (for fundamental oscillation)
I Frequency divider built-in:
• Selectable by version: fO, fO/2, fO/4, fO/8, fO/16,
fO/32
• Frequency divider output for 0.625MHz (min)
low frequency output
I Standby function
High-impedance in standby mode, oscillator stops
I CMOS output
I 15pF output load
I Pad layout for flip chip bonding
I Wafer form (WF5041×××)
FREQUENCY CHARACTERISTICS COMPENSATION BEFORE and AFTER ADJUSTMENT
50
40
30
20
10
0
−10
−20
−30
−40
−50
−40 −20
0
Before compensation
± 10ppm
After compensation
20 40 60 80 100
Ta [°C]
APPLICATIONS
I 3.2mm × 2.5mm, 2.5mm × 2.0mm, 2.0mm × 1.6mm size miniature crystal oscillator modules
I WiMAX, WiBro, PLC and applications requiring high-stability clock oscillators
ORDERING INFORMATION
Device
WF5041×××−4
Package
Wafer form
SEIKO NPC CORPORATION—1
Free Datasheet http://www.datasheet4u.com/
1 page  
5041 series
ELECTRICAL CHARACTERISTICS
DC Characteristics (5041A1× to A6×)
VDD = 2.25V to 3.63V, VSS = 0V, Ta = −40°C to +85°C, CLOUT = 15pF unless otherwise noted.
Parameter
Symbol
Conditions
Rating
Unit
MIN TYP MAX
5041A1× (fOUT = fo),
VDD = 2.5V – 1.4 2.8 mA
Measurement circuit 1, no load,
INHN = HIGH, fo = 48MHz
VDD = 3.3V
–
1.7 3.4 mA
5041A2× (fOUT = fo/2), VDD = 2.5V – 1.1 2.2 mA
Measurement circuit 1, no load,
INHN = HIGH, fo = 48MHz
VDD = 3.3V
–
1.4 2.7 mA
Operating-mode current
consumption*1
5041A3× (fOUT = fo/4), VDD = 2.5V – 1.0 1.9 mA
Measurement circuit 1, no load,
INHN = HIGH, fo = 48MHz
VDD = 3.3V
–
1.2 2.4 mA
IDD
5041A4× (fOUT = fo/8), VDD = 2.5V – 0.9 1.7 mA
Measurement circuit 1, no load,
INHN = HIGH, fo = 48MHz
VDD = 3.3V
–
1.0 2.1 mA
5041A5× (fOUT = fo/16),
VDD = 2.5V
–
0.8 1.7 mA
Measurement circuit 1, no load,
INHN = HIGH, fo = 48MHz
VDD = 3.3V
–
1.0 2.0 mA
5041A6× (fOUT = fo/32),
VDD = 2.5V
–
0.8 1.6 mA
Measurement circuit 1, no load,
INHN = HIGH, fo = 48MHz
VDD = 3.3V
–
1.0 2.0 mA
Standby-mode current
consumption
IST Measurement circuit 1, INHN = LOW
– – 10 µA
HIGH-level output voltage
LOW-level output voltage
Output leakage current
HIGH-level input current
LOW-level input current
INHN pull-up resistance
VOH Q pin, Measurement circuit 3, IOH = −4mA
VDD−0.4
VOL Q pin, Measurement circuit 3, IOL = 4mA
–
IZ
Measurement circuit 4,
INHN = LOW
Q = VDD
Q = VSS
–
−10
VIH
INHN pin, Measurement circuit 5
VIL
0.7VDD
–
RPU1
RPU2
Measurement circuit 6
INHN = VSS
INHN = 0.7VDD
0.4
50
–
–
–
–
–
–
1.5
100
–
0.4
10
–
–
0.3VDD
10
200
V
V
µA
µA
V
V
MΩ
kΩ
*1. The consumption current IDD (CLOUT) with a load capacitance (CLOUT) connected to the Q pin is given by the following equation, where IDD is the no-
load consumption current and
IDD (CLOUT) [mA] = IDD [mA] +
fOUT is
CLOUT
the output frequency.
[pF] × VDD [V] × fOUT
[MHz]
×
10–3
SEIKO NPC CORPORATION—5
Free Datasheet http://www.datasheet4u.com/
5 Page 
5041 series
Please pay your attention to the following points at time of using the products shown in this document.
1. The products shown in this catalog (hereinafter “Products”) are not designed and manufactured to be used for the apparatus that
exerts harmful influence on the human lives due to the defects, failure or malfunction of the Products. If you wish to use the Products
in that apparatus, please contact our sales section in advance.
In the event that the Products are used in such apparatus without our prior approval, we assume no responsibility whatsoever for any
damages resulting from the use of that apparatus.
2. NPC reserves the right to change the specifications of the Products in order to improve the characteristics or reliability thereof.
3. The information described in this catalog is presented only as a guide for using the Products. No responsibility is assumed by us for
any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or
otherwise under any patents or other rights of the third parties. Then, we assume no responsibility whatsoever for any damages
resulting from that infringements.
4. The constant of each circuit shown in this catalog is described as an example, and it is not guaranteed about its value of the mass-
production products.
5. In the case of that the Products in this catalog falls under the foreign exchange and foreign trade control law or other applicable laws
and regulations, approval of the export to be based on those laws and regulations are necessary. Customers are requested
appropriately take steps to obtain required permissions or approvals form appropriate government agencies.
SEIKO NPC CORPORATION
15-6, Nihombashi-kabutocho, Chuo-ku,
Tokyo 103-0026, Japan
Telephone: +81-3-6667-6601
Facsimile: +81-3-6667-6611
http://www.npc.co.jp/
Email: sales@npc.co.jp
NC0904AE 2009.10
SEIKO NPC CORPORATION—11
Free Datasheet http://www.datasheet4u.com/
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