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參數(shù)資料
| 型號(hào)： | UMA1014 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Low-power frequency synthesizer for mobile radio communications |
| 中文描述： | 低功耗移動(dòng)無(wú)線電通訊頻率合成器 |
| 文件頁(yè)數(shù)： | 11/17頁(yè) |
| 文件大小： | 90K |
| 代理商： | UMA1014 |
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October 1992
11
Philips Semiconductors
Product specification
Low-power frequency synthesizer for
mobile radio communications
UMA1014
Notes
1.
2.
C
I
is in parallel with R
I
.
Pin VCOA is forced to logic 0 during out-of-lock condition.
Serial clock and serial data input (pins SCL and SDA)
f
CLK
V
IH
V
IL
I
IH
I
IL
C
I
I
sink
clock frequency
HIGH level input voltage
LOW level input voltage
HIGH level input current
LOW level input current
input capacitance
SDA sink current
0
3
10
3
3
5
100
1.5
10
10
kHz
V
V
μ
A
μ
A
pF
mA
V
OL
= 0.4 V
Slave address select input (pin SAA) and Hardware power-down input (pin HPDN)
V
IH
V
IL
I
IH
I
IL
HIGH level input voltage
LOW level input voltage
HIGH level input current
LOW level input current
3
10
0.4
0.1
V
V
μ
A
μ
A
VCO output switches (pins VCOA and VCOB) and synthesizer alarm (pin SYA);
note2
I
OL
LOW level sink current
V
OL
≥
0.4 V
400
μ
A
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Fig.4 Gain of phase detector and charge pump.
The current I
PCD
is averaged over a reference period of 24
μ
s.
2.0
1.0
0
-1.0
-2.0
-20
0
20
IPCD
IPCD
phase difference (t = ns)
I
(
μ
A)
MRA400
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