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參數(shù)資料
| 型號： | CXA1787N |
| 廠商： | Sony Corporation |
| 英文描述： | 2GHz-Band Frequency Synthesizer PLL IC For Mobile Communication(2GHz波段頻率合成器和鎖相環(huán)電路芯片（用于移動通信）) |
| 中文描述： | 2GHz的頻段頻率合成鎖相環(huán)集成電路用于移動通信（2GHz的波段頻率合成器和鎖相環(huán)電路芯片（用于移動通信）） |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 174K |
| 代理商： | CXA1787N |
2GHz-band PLL IC for Mobile Communications
For the availability of this product, please contact the sales office.
Descriptions
The CXA1787N is a frequency synthesizer PLL IC
developed for use in mobile communication systems.
This IC has low current consumption, small package
and is suitable for portable sets of cellular telephone
and others.
Features
Low current consumption
Icc = 8.0mA (typ.)
0.3mA (typ.) in power saving mode
Maximum operating frequency
1.8GHz guaranteed
Operating supply voltage range
2.7 to 5.5V
Ultra small 20-pin SSOP package
Two types of phase comparator output:
For external charge pump
Two internal charge pumps
φ
R
D
O
1
φ
P
D
O
2
Applications
1.1GHz-band mobile communication equipment
such as cellular telephones
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings
Supply voltage
Operating temperature Topr
Storage temperature
Allowable power dissipation
Vcc
7
V
–35 to +85
–65 to +150
°C
°C
Tstg
P
D
300
mW
Operating Condition
Supply voltage
Vcc
2.7 to 5.5
V
– 1 –
E94Z22A8Y
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
CXA1787N
Reference Programmable
Charge
Phase
Comparator
OSCI
NC
OSCO
Vp
V
CC
D
O
1
GND
LD
NC
FIN
φ
R
NC
φ
P
TEST
D
O
2
FC
LAT
DATA
PS
CK
2
5
7
8
9
12
15
17
18
19
1
Charge
Pump 1
Pulse Swallow
Programmable
2-modulus
prescaler
64/65
1
128/129
1
or
14-bit Latch
1-bit Latch
1-bit Shift
Resister
18-bit Latch
4
6
10
11
13
14
Pulse swallow programmable counter
20
16
18-bit Shift Resister
3
20 pin SSOP (Plastic)
Block Diagram and Pin Configuration
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