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參數(shù)資料
| 型號(hào)： | SA7025 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Low-voltage 1GHz fractional-N synthesizer |
| 中文描述： | 低壓1GHz的分?jǐn)?shù)N頻率合成器 |
| 文件頁數(shù)： | 6/22頁 |
| 文件大小： | 304K |
| 代理商： | SA7025 |
Philips Semiconductors
Product specification
SA7025
1GHz low-voltage Fractional-N synthesizer
1996 Aug 6
6
DC ELECTRICAL CHARACTERISTICS
(Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
TYP
UNITS
MIN
MAX
Fractional compensation PHP, speed up mode
1, 10
V
PHP
= V
DDA
, V
RN
= V
DDA
Fractional compensation output current
PHP_F_S
PHP vs F
RD3
Pump leakage
Fractional compensation PHI, speed up mode
1, 11
V
PHP
= V
DDA
/2, V
RN
= V
DDA
Fractional compensation output current
PHI_F
PHI vs F
RD3
Charge pump leakage currents, charge pump not active
Output leakage current PHP; normal
mode
1
Output leakage current PHI; normal
mode
1
I
PHA_L
Output leakage current PHA
I
I
RF
= –62.5
μ
A;F
RD
= 1 to 7
13
I
RF
= –25
μ
A;F
RD
= 1 to 7
–3.35
–1.35
–20
–2.0
–1.0
–1.1
–0.5
20
μ
A
nA
I
I
RF
= –62.5
μ
A;F
RD
= 1 to 7
13
I
RF
= –25
μ
A;F
RD
= 1 to 7
–5.4
–2.15
–4.0
–1.6
–2.6
–1.05
μ
A
I
PHP_L
V
PHP
= 0.7 to V
DDA
– 0.8
0.1
10
nA
I
PHI_L
V
PHI
= 0.7 to V
DDA
– 0.8
0.1
10
nA
V
PHA
= 0.7 to V
DDA
– 0.8
0.1
10
nA
AC ELECTRICAL CHARACTERISTICS
V
DD
= V
DDA
= V
CCP
= 3V; T
A
= 25
°
C; f
RF_IN
= 1GHz, input level = –20dBm; unless otherwise specified. Test Circuit, Figure 4. The parameters
listed below are tested using automatic test equipment to assure consistent electrical characteristics. The limits do not represent the ultimate
performance limits of the device. Use of an optimized RF layout will improve many of the listed parameters.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
TYP
UNITS
MIN
MAX
Main divider
f
RF_IN
Input signal frequency
Direct coupled input
14
1000pF input coupling
1040MHz
1.04
1.04
0
GHz
V
RF_IN
Reference divider (V
DD
= V
DDA
= 3V or V
DD
= 3V / V
DDA
= 5V)
Input sensitivity
–20
dBm
f
REF_IN
Input signal frequency
2.7 < V
DD
and V
DDA
< 5.5V
2.7 < V
DD
and V
DDA
< 4.5V
2.7 < V
DD
and V
DDA
< 5.5V
2.7 < V
DD
and V
DDA
< 4.5V
25
30
MHz
V
REF_IN
Input signal range AC coupled
Input signal range, AC coupled
500
300
mV
P-P
Z
REF_IN
Reference divider input impedance
15
100
3
k
pF
Auxiliary divider
Input signal frequency
PA = “0”, prescaler enabled
Input signal frequency
PA = “1”, prescaler disabled
Input signal range, AC coupled
0
0
0
0
50
150
30
40
f
AUX_IN
4.5V
≤
V
DDA
≤
5.5V
MHz
4.5V
≤
V
DDA
≤
5.5V
V
AUX_IN
200
mV
P-P
k
pF
Z
AUX_IN
Auxiliary divider input impedance
100
3
Serial interface
15
f
CLOCK
Clock frequency
Set-up time: DATA to CLOCK,
CLOCK to STROBE
Hold time; CLOCK to DATA
Pulse width; CLOCK
Pulse width; STROBE
In-Loop Performance
17
V
DDA
= 5V, V
DD
= 2.7V
R
MM
Main loop residual FM
10
MHz
t
SU
30
ns
t
H
30
30
30
ns
t
W
ns
B, C, D, E words
FVCO = 1030MHz
300
600
Hz
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SA7025DK | Low-voltage 1GHz fractional-N synthesizer |
| SA7026 | 1.3GHz low voltage fractional-N dual frequency synthesizer |
| SA7026DH | 1.3GHz low voltage fractional-N dual frequency synthesizer |
| SA702 | Divide by: 64/65/72 triple modulus low power ECL prescaler |
| SA702D | Divide by: 64/65/72 triple modulus low power ECL prescaler |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SA7025DK | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage 1GHz fractional-N synthesizer |
| SA7026 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1.3GHz low voltage fractional-N dual frequency synthesizer |
| SA7026DH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1.3GHz low voltage fractional-N dual frequency synthesizer |
| SA702D | 制造商:NXP Semiconductors 功能描述: 制造商: 功能描述: 制造商:undefined 功能描述: |
| SA702N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Divide by: 64/65/72 triple modulus low power ECL prescaler |
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