ARA1400 Datasheet, PDF (3/12 Pages) ANADIGICS, Inc – Reverse Amplifier with Step Attenuator

ARA1400
Table 1: Pin Description
PIN NAME
DESCRIPTION
PIN NAME
DESCRIPTION
1
GND Ground
15
8 dB 82 dB Attenution Control Bit
2
N/C
No Connection ⁽¹⁾
16
4 dB 4 dB Attenution Control Bit
3
ATTIN Attenuator Input ⁽²⁾
4
RFOUT1
Amplifier A1 Output and
Supply
5
VREF1
Reference Voltage for
Amplifier A1
17
VA2
Amplifier A2 Supply
18
VREF2
Reference Voltage for
Amplifier A2
19
RFOUT RF Output from Switch ⁽²⁾
6
ATTACG1 Attenuator AC Ground 1 ⁽³⁾
20 ATTACG2 Attenuator AC Ground 2 ⁽³⁾
7
ATTACG1 Attenuator AC Ground 1 ⁽³⁾
21 ATTACG2 Attenuator AC Ground 2 ⁽³⁾
8
ATTACG1 Attenuator AC Ground 1 ⁽³⁾
22 ATTACG2 Attenuator AC Ground 2 ⁽³⁾
9
ATTACG1 Attenuator AC Ground 1 ⁽³⁾
23 ATTACG2 Attenuator AC Ground 2 ⁽³⁾
10
RFIN
Amplifier A1 Input ⁽⁴⁾
24 ATTACG3 Attenuator AC Ground 3 ⁽³⁾
11
ISET1
Amplifier A1 Current Adjust 25
Tx
Output Switch Control
12
VATT
Attenuator Supply
26
RFIN2 Amplifier A2 Input ⁽⁴⁾
13 32 dB 32 dB Attenution Control Bit 27
ISET2
Amplifier A2 Current Adjust
14 16 dB 16 dB Attenution Control Bit 28 ATTOUT Attenuator Output ⁽²⁾
Notes:
(1) All N/C pins should be grounded.
(2) Pins should be AC-coupled. No external DC bias should be applied.
(3) Pins should be AC-grounded. No external DC bias should be applied.
(4) Pins should be AC-coupled from the RF path, and should be pulled to ground through a resistor.
Data Sheet - Rev 2.1
3
03/2004