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參數資料
| 型號： | U6225B |
| 英文描述： | 2.9 GHz PLL for SAT TV Receiver with Universal Bus |
| 中文描述： | 2.9 GHz的鎖相環通用總線的衛星電視接收器 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 166K |
| 代理商： | U6225B |
TELEFUNKEN Semiconductors
U6225B
Rev. A1: 25.10.1995
4 (12)
Operating Range
All voltages are referred to GND (Pin 15)
Parameters
Pin 12
Symbol
Vs
T
amb
R
Fi
S
F
Min.
4.5
0
250
256
Typ.
Max.
5.5
70
2900
32767
Unit
V
°
C
MHz
Supply voltage
Ambient temperature
Input frequency
Progr. divider
Pin 13, 14
Thermal Resistance
Parameters
Symbol
R
thJA
Value
110
Unit
K/W
Junction ambient
Electrical Characteristics
Test conditions: V
S
= 5 V, T
amb
= 25
°
C, unless otherwise specified
Parameters
Test Conditions / Pins
SW 1, 4, 5, 6, 7 = 0
Symbol
Min.
Typ.
Max.
Unit
Supply current
Pin 12
Is
18
23
28
mA
Input sensitivity
Input frequency
fi = 250 MHz,
fi = 750-2900 MHz, Pin 13
Pin 13
Vi
1)
Vi
1)
100
20
300
300
mVrms
mVrms
Crystal oscillator
Recommended crystal
series resistance
Crystal oscillator drive
level
Crystal oscillator source
impedance
External reference input
frequency
External reference input
amplitude
Switching outputs
(SW4–7,1), lock output, open collector Pin 6–9, 11
Leakage current
VH = 13.5 V
Saturation voltage
IL = 10 mA
Charge pump output
(PD)
Charge pump current ‘H’
5I = H, VPD = 2V
10
200
Pin 2
50
mVrms
Nominal spread
±
15%
Pin 2
–650
AC coupled sinewave
Pin 2
2
8
MHz
AC coupled sinewave
Pin 2
70
200
mVrms
IL
10
0.5
A
V
VSL
2)
Pin 1
IPDH
±
180
A
Charge pump current ‘L’
5I = L, VPD = 2V
Pin 1
IPDL
±
50
A
Charge pump leakage
current
Charge pump amplifier
gain
Bus inputs
(SDA, SCL)
Input voltage
T0 = 0, VPD = 2V
Pin 1
IPDTRI
±
5
nA
Pin 1, 16
6400
Pin 4, 5
Pin 4, 5
Vi ‘H’
Vi ‘L’
3
5.5
1.5
V
V
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