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U2305B Datasheet, PDF (3/8 Pages) TEMIC Semiconductors – VHF/ UHF-Tuner-IC
Absolute Maximum Ratings
All voltages are referred to GND, Pin 2
Parameters
Supply voltage
Pin 19
RF inputs
Pin (20-25)
IF outputs
Pin 17-18
Tri-state switch voltage
Pin 12
Junction temperature
Storage temperature
U2305B
Symbol Min.
Typ.
Max.
Unit
VS
5.25
V
VS
V
5.5
V
ViTRI
Tj
Tstg
–40
VS
V
125
°C
125
°C
Operating Range
All voltages are referred to GND, Pin 2
Parameters
Supply voltage
Ambient temperature
Test Conditions / Pins Symbol Min
Typ
Max
Unit
Pin 17-19
VS
4.5
5.0
5.25
V
Tamb
–25
75
°C
Thermal Resistance
Parameters
Symbol
Typ
Unit
Junction ambient
Package SSO28 soldered to PCB (see layout page 5)
RthJA
128
K/W
Electrical Characteristics
Test conditions (unless otherwise specified): Vs = 5 V. Tamb = 25 °C. Reference point Pin 2.
Referred to test circuit page 5.
Parameters
Test Conditions / Pins Symbol Min.
Typ.
Max.
Unit
Supply voltage
Supply current
Band switch
Pin 17-19
VS
4.5
5.0
5.25
V
Pin 17-19
IS
42
mA
Voltage band A
Voltage band B
Voltage band C
Switching current
VSW = 5 V
Pin 12 VSWA
0
Pin 12 VSWB 25%
Pin 12 VSWC 55%
Pin 12 ISW
20%
VS
50%
VS
100%
VS
100
mA
LO output
LO level each output
W RL = 50 Pin 27, 28
PLO
–25
–17
dBm
SAW filter driver fi = 36 MHz
Input impedance
Pin 15, 16 ZiSAW
450
Ohm
Output impedance
Pin 13, 14 ZoSAW
70
Ohm
Voltage gain
Pin 15, 16 → 13, 14 GvSAW
17
dB
TELEFUNKEN Semiconductors
3 (8)
Rev. A1, 10-Sep-96
Preliminary Information