參數(shù)資料
型號(hào)： LUCW3000CCN
英文描述： W3000 PLL Dual-Band Frequency Synthesizer
中文描述： W3000鎖相環(huán)雙頻段頻率合成器
文件頁(yè)數(shù)： 7/28頁(yè)
文件大?。?/td> 327K
代理商： LUCW3000CCN
Advance Data Sheet
December 1999
W3000 PLL Dual-Band Frequency Synthesizer
Lucent Technologies Inc.
7
Charge Pump Current
D
E
I
CP
-UP (T = 25 °C )
I
C
/
V
CP
0.4
2.45
I
CP
-DN (T = 25 °C )
COMPLIANCE
RANGE
0.4 V
COMPLIANCE
RANGE
V
DDC
– 0.4 V
V
DDC
/2
A: CP UP CURRENT AT V
CP
= V
DDC
– 0.4.
B: CP UP CURRENT AT V
CP
= V
DDC
/2.
C: CP UP CURRENT AT V
CP
= 0.4.
F
A
C
B
D: CP DOWN CURRENT AT V
CP
= 0.4 V.
E: CP DOWN CURRENT AT V
CP
= V
DDC
/2.
F: CP DOWN CURRENT AT V
CP
= V
DDC
– 0.4.
Figure 4. Charge Pump Current vs. Voltage
Table 4. Charge Pump Specifications
Conditions (unless otherwise specified): V
DD
= 2.7 V; T
A
= 25 °C ± 3 °C; V
DDC
= 2.85 V; V
CP
= V
DDC/
2;
R
REF
= 18 k
.
Parameter
Conditions
I
CP
= 0.7 mA
I
CP
= 0.7 mA
I
CP
= 0.9 mA
I
CP
= 0.9 mA
I
CP
= 1.9 mA
I
CP
= 1.9 mA
I
CP
= 2.5 mA
I
CP
= 2.5 mA
Symbol
I
UP
I
DN
I
UP
I
DN
I
UP
I
DN
I
UP
I
DN
I
TRI
Min
0.6
–0.8
0.8
–1.0
1.6
–2.2
2.1
–2.9
—
Typ
0.7
–0.7
0.9
–0.9
1.9
–1.9
2.5
–2.5
0.1
Max
0.8
–0.6
1.0
–0.8
2.2
–1.6
2.9
–2.1
20
Unit
mA
mA
mA
mA
mA
mA
mA
mA
nA
Charge Pump Output Current
CP High-Impedance State
Current
CP Sink vs. Source Mismatch
1
CP Current vs. Voltage
2
0.4 < V
CP
< V
DDC
– 0.4 V,
–30 °C < T
A
< +85 °C
T
A
= 25 °C
0.4 < V
CP
< V
DDC
– 0.4 V,
T
A
= 25 °C
–30 °C < T
A
< +85 °C
—
—
—
—
3
2
15
8.5
%
%
CP Current vs Temperature
3
—
—
8
10
%
Notes (refer to Figure 4 for definitions):
1. ICP-DN vs ICP-UP = charge pump output current up vs down mismatch = [|E| – |B|]/[ 1/2 * {|E| + |B|}] * 100%.
2. ICP vs VCP = charge pump output current magnitude variation vs voltage = [ 1/2 * {|F| – |D|}]/[1/2 * {|F| +|D|}] * 100% and
[1/2 * {|A| - |C|}]/[1/2 *{|A| + |C|}] * 100%.
3. ICP vs TA = charge pump output current magnitude variation vs. temperature =
[|E @ temp| – |E @ 25 °C|]/|E @ 25 °C| * 100% and [|B @
temp| – |B @ 25 °C|]/|B @ 25°C| * 100%.
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