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TEMIC Semiconductors |
U893BSE
1.3 GHz Prescaler for PLL’s in TV, CATV and SAT TV Tuners
Technology: Bipolar
Features
D Extrem low current consumption (typ. 18 mA)
D Output harmonics strongly reduced
D 3 scaling factors 64/128/256 programmable at Pin 5
D High input sensitivity
D Emitter follower output stage
D Electrostatic protection according to MIL–STD. 883
D Pin compatible to U833BSE
Case
8 pin dual inline plastic
8 pin SO plastic
6 pin SIP plastic
(U893BSE)
(U893BSE-FP)
(U893BSE-SP)
Block Diagram
TELEFUNKEN Semiconductors
Rev. A1, 23-Aug-96
1 (7)
U893BSE
Pin Configuration
Pin Function (DIP8, SO8)
1 n.c.
2, 3 Input
4 Ground
5 Switch 64/128/256
6, 7 Output
8 VS
Absolute Maximum Ratings
Reference point Pin 4 (1), unless otherwise specified
Parameters
Supply voltage
Pin 8 (4)
Input voltage range
Pin 2, 3, 5 (2, 5, 6)
Junction temperature
Ambient temperature range
Storage temperature range
Pin Function (SIP6)
1 Ground
2 Switch 64/128/256
3 Output
4 VS
5, 6 Input
Symbol
VS
Vi
Tj
Tamb
Tstg
Value
6
0 to VS
125
–25 to +85
–40 to +125
Unit
V
V
°C
°C
°C
Thermal Resistance
Junction ambient
Parameters
DIP8
SIP6
SO8
Symbol
RthJA
RthJA
RthJA
Maximum
100
100
175
Unit
K/W
K/W
K/W
Electrical Characteristics
VS = 4.5 to 5.5 V, Tamb = 0 to 70 °C, referred to test circuit, unless otherwise specified
Parameters
Supply voltage range
Supply current
Input sensitivity 1)
Large signal compatibility
Test Conditions / Pin
Pin 8 (4)
WVS = 5 V
RG = 50
Pin 8 (4)
fi = 70 to 1100 MHz
Pin 2, 3 (5,
6)
fi = 1100 to 1200 MHz
Pin 2, 3 (5,
6)
fi = 1200 to 1300 MHz
Pin 2, 3 (5,
6)
WRG = 50 Pin 2, 3 (5,
6)
Symbol
VS
IS
vi
vi
vi
Vi
1) RMS-voltage calculated from the measured available power
Min.
4.5
300
Typ.
21
Max.
5.5
25
10
15
20
Unit
V
mA
mV
mV
mV
mV
2 (7) TELEFUNKEN Semiconductors
Rev. A1, 23-Aug-96
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