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ARA2000 Datasheet, PDF (2/20 Pages) ANADIGICS, Inc – Address-Programmable Reverse Amplifier with Step Attenuator
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ARA2000
ATTIN (+)
A1OUT (+)
A1IN (+)
ISET1
Vg1
A1IN (-)
A1OUT (-)
ATTIN (-)
Clock
Data
Enable
GaAs IC
32 dB
16 dB
8 dB
4 dB
2 dB
1 dB
EFET
EFET
2-Bit Shift
Register/
Address
2-Bit Shift
Register / Die ID
32 dB
P5
16 dB
P4
8 dB
P3
4 dB
P2
2 dB
P1
1 dB
P0
Buffer
8
Control Latch
Buffer
2
Data Latch
8
2
8
4-Bit Shift
Register / Chip Select
8-Bit Shift Register
CMOS IC (Serial to Parallel Interface)
Figure 2: Functional Block Diagram
ATTOUT (+)
A2IN (+)
A2OUT (+)
ISET2
Vg2
A2OUT (-)
A2IN (-)
ATTOUT (-)
Die
Address 0
Die
Address 1
1
GND
2
VATTN
3
ATTIN (+)
4
A1OUT (+)
5
A1IN (+)
6
Vg1
7
ISET1
8
A1IN (-)
9
A1OUT (-)
10
ATTIN (-)
11
VCMOS
12
CLK
13
DAT
14
EN
GND
28
N/C
27
ATTOUT (+)
26
A2IN (+)
25
A2OUT (+)
24
Vg2
23
ISET2
22
A2OUT (-)
21
A2IN (-)
20
ATTOUT (-)
19
GNDCMOS
18
N/C
17
C1
16
C0
15
Figure 3: Pin Out
2
Data Sheet - Rev 2.2
06/2004
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