UPC2756TB 查看數據表（PDF） - California Eastern Laboratories.
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UPC2756TB Datasheet PDF : 7 Pages
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UPC2756TB
ABSOLUTE MAXIMUM RATINGS1 (TA = 25°C)
SYMBOLS
PARAMETERS
UNITS RATINGS
VCC
Supply Voltage
V
5.5
PT
Total Power Dissipation2
mW
200
TOP
Operating Temperature
°C
-40 to +85
TSTG
Storage Temperature
°C -55 to +150
Notes:
1. Operation in excess of any one of these parameters may result
in permanent damage.
2. Mounted on a 50 x 50 x 1.6 mm epoxy glass PWB (TA = +85°C).
PIN FUNCTIONS
RECOMMENDED
OPERATING CONDITIONS
SYMBOLS PARAMETERS
UNITS
VCC
Supply Voltage
V
TOP
Operating Temperature °C
MIN TYP MAX
2.7 3.0 3.3
-40 +25 +85
TEST CIRCUIT
0.1 µF 3
C2
RF INPUT
2
0.1 µF
1
C1
LO1
GND
LO2
VCC
0.1 µF
4
LO INPUT
C3
0.1 µF
5
C4
3V
RFIN IFOUT 6
0.1 µF
C5
IF OUTPUT
Pin No.
1
Symbol
RFIN
Applied Voltage (V) Pin Voltage (V)
Description
–
1.2
Signal input pin to double
balancec mixer. This pin must be
coupled to the signal source with a
blocking capacitor.
Internal Equivalent Circuit
VCC
1
2
GND
3
LO1
4
LO2
5
VCC
6
IFOUT
0
–
Ground pin. This pin should be
connected to system ground with
minimum inductance. Ground
pattern on the board should be
formed as wide as possible.
–
1.2
These pins are both the base-
collectors of a differential amplifier
VCC
configured to oscillate when
equipped with an external tank
resonator circuit. Each pin must be
coupled to the tank circuit with a
blocking capacitor. In the case of
an external LO source, bypass the
unused pin with a capacitor to
3
4
ground.
–
1.2
2.7 to 3.3
–
Power supply pin. This pin should
be externally equipped with a
bypass capacitor to minimize
ground impedance.
–
1.7
Output of single-ended push-pull
VCC
IF buffer amplifier. This is an
emitter-follower output with low
impedance. This pin must be
coupled to the next stage with a
6
blocking capacitor.
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