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U2731B

U2731B

Model U2731B
Description DAB ONE- CHIP FRONT END
PDF file Total 25 pages (File size: 654K)
Chip Manufacturer ATMEL
Absolute Maximum Ratings
Parameters
Supply voltage
Junction temperature
Storage temperature
Differential input RF amplifier, pins 12 and 13
Pins 14 and 15
Externally applied voltage at RF charge pump output, pin 16
Pin 28
WAGC input voltage, pin 22
SLI input voltage, pin 21
Differential base input VCO, pins 33 and 34
Differential input IF amplifier, pins 23 and 24
Differential input IF AGC block, pins 26 and 27
Reference input voltage (AC), pin 42
Two-wire bus input/output voltage, pins 1 and 2
SDA output current, pin 2
Address select voltage, pin 44
Switch output voltage; pins 3, 4 and 6
Switch output current
PLCK output voltage, pin 41
PLCK output current, pin 41
Symbol
V
S
T
j
T
stg
V
RFA1,2
V
RFB1,2
V
CPRF
V
CPIF
V
WAGC
V
SLI
V
BiVC
V
IFIN
V
IFAGCIN
V
OSCI
SCL, SDA
SDA
ADR
SWα
SWα
PLCK
PLCK
-0.3
-0.3
-0.3
-0.3
0.5
0.5
-0.3
-0.3
-40
Min.
-0.3
Max.
+9.5
150
+150
500
500
6.75
6.25
5.5
5.5
500
500
500
1
5.5
5
5.5
9.5
4
5.5
0.5
Unit
V
°
C
°
C
mV
rms
mV
rms
V
V
V
V
mV
rms
mV
rms
mV
rms
V
pp
V
mA
V
V
mA
V
mA
Thermal Resistance
Parameters
Junction ambient (soldered on application board)
Symbol
R
thJA
Value
40
Unit
K/W
Operating Range
Parameters
Supply voltage
Ambient temperature range
Symbol
V
S
T
amb
Value
8.0 to 9.35
-40 to +85
Unit
V
°
C
14
U2731B
4671C–DAB–06/04
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