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U2891B Datasheet(PDF) 2 Page - TEMIC Semiconductors

Part No. U2891B
Description  2.5 GHz Quadrature Up-Converter
Download  6 Pages
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Maker  TEMIC [TEMIC Semiconductors]
Homepage  http://www.temic.de
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U2891B Datasheet(HTML) 2 Page - TEMIC Semiconductors

   
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TELEFUNKEN Semiconductors
U2891B
Advanced Information
Rev. A2: 04.10.1995
2 (6)
Pin Description
3
4
5
6
7
8
10
9
18
17
16
14
15
13
12
11
19
20
PDRF
GND
RFO
VS
SRF
BBAi
LO 1
LO 2
IFO
IFi
LP 2
LP 1
GND
GND
BBAi
BBBi
BBBi
94 8581 e
1
2
21
22
23
24
LO 1
IFi
VS
VS
SIF
GND
PDIF
Pin
Symbol
Function
1
GND
Ground
2
BBAi
Baseband input B inverse
3
BBAi
Baseband input B
4
LO 1
LO 1 input
5
LO 1
LO 1 input inverse
6
SIF
Output symmetry IF
7
IFO
IF output
8
VS
Supply voltage
9
LO 2
LO 2 input
10
GND
Ground
11
IFi
IF input
12
IFi
IF input inverse
13
PDRF
Power-down RF
14
PDIF
Power-down IF
15
SRF
Output symmetry RF
16
RFO
RF output
17
GND
Ground
18
LP 2
Filter and IF level
adjustment
19
LP 1
Filter and IF level
adjustment
20
VS
Supply voltage
21
VS
Supply voltage
22
BBBi
Baseband input B
23
BBBi
Baseband input B inverse
24
GND
Ground
Absolute Maximum Ratings
Parameters
Symbol
Value
Unit
Supply voltage
Pins 8, 20 and 21
VS, VSRF
6
V
Input voltage
Pins 2, 3, 4, 5, 9, 11, 12, 22 and 23
Vi
0 to VS
V
Junction temperature
Tj
125
°C
Storage temperature range
Tstg
– 40 to + 125
°C
Operating Range
Parameters
Symbol
Value
Unit
Supply voltage
Pins 8, 20 and 21
VS, VSRF
2.7 to 5.5
V
Ambient temperature range
Tamb
– 40 to + 85
°C
Thermal Resistance
Parameters
Symbol
Value
Unit
Junction ambient
SSO-24
Rthja
140
K/W


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