am55-0004 Tyco Electronics, am55-0004 Datasheet - Page 2

• Manufacturer Part Number: am55-0004
• Description: Linear Power Amplifier Switch
• Manufacturer: Tyco Electronics

Specifications Subject to Change Without Notice
M/A-COM Inc.
1. Exceeding these limits may cause permanent damage.
2. Ambient temperature (T
Pin Configuration
Absolute Maximum Ratings
Pin No.
Max. Input Power
Operating Voltages
Operating Temperature
Storage Temperature
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
Parameter
ANT IN/OUT
Pin Name
SAVE Tx
PA OUT
Rx OUT
PA IN
Tx IN
GND
VSW
GND
GND
GND
GND
GND
GND
V
GND
GND
GND
GND
GND
GND
GND
GND
V
VSW
GND
V
V
DD2
DD
G1
G2
1
2
2
A
) = +25°C
Description
DC and RF Ground
-4 V Tx mode/0 V Rx mode
DC and RF Ground
Transmit side of T/R switch
DC and RF Ground
DC and RF Ground
Common port of T/R switch which
DC and RF Ground
Receive side of T/R switch
DC and RF Ground
DC and RF Ground
Positive bias for the first stage of
PA, +2.7 to +6.0 volts
Sleep mode control of first stage of
PA ONLY
0 V — first PA stage on
-4 V — first PA stage off
DC and RF Ground
DC and RF Ground
RF input of the Power Amplifier
DC and RF Ground
Negative bias control for the first PA
stage, voltage divider is on the MMIC,
adjusted to set V
current, which is typically 30 mA.
Input impedance: 10 k Ω
DC and RF Ground
Negative bias control for the second
PA stage, adjusted to set V
quiescent bias current, which is
typically 65 mA.
Input impedance: > 1MΩ
Second Stage DC and RF Ground
Second Stage DC and RF Ground
Second Stage DC and RF Ground
Second Stage DC and RF Ground
RF output of the Power Amplifier
Positive bias for the second stage of
the PA, +2.7 to +6.0 volts
T/R Switch Control, 0 V Tx mode/-4 V
Rx mode
DC and RF Ground
Complimentary T/R Switch Control,
is connected to the antenna
Absolute Maximum
1011 Pawtucket Boulevard, Lowell, MA 01853 USA
+23 dBm
V
V
V
-40°C to +85°C
-65°C to +150°C
DD
GG
DD
1
- V
= 7 V
= -5 V
GG
DD1
= 8 V
quiescent bias
DD2
2
Truth Table
X - Don’t Care
Functional Diagram and Pin Configuration
Operating Mode
PA Tx
PA Sleep
T/R Switch Tx
T/R Switch Rx
ANT IN/OUT
SAVE Tx
Rx OUT
Tx IN
GND
VSW
GND
GND
GND
GND
GND
GND
GND
V
DD1
14
1
-4.0 Volts
0 Volts
VSW
X
X
Telephone: [phone]
-4.0 Volts
0 Volts
VSW
X
X
28
15
GND
GND
GND
GND
V
GND
V
PA OUT
GND
GND
V
V
V
GND
PA IN
VSW
V
-4.0 Volts
SAVE Tx
G1
G1
G2
DD2
DD1
G2
0 V
X
X
V 2.00