ada-4789 Avago Technologies, ada-4789 Datasheet - Page 2

• Manufacturer Part Number: ada-4789
• Description: Silicon Bipolar Darlington Amplifier
• Manufacturer: Avago Technologies

Typical Biasing Configuration
input
Table 2. Electrical Specifications at Tc = +25°C
Notes:
1. Typical value determined from a sample size of 500 parts from 3 wafers.
2. Measurement obtained using production test board described in the block diagram below.
3. i) 100 MHz OIP3 Test Condition: F1 = 100 MHz, F2 = 105 MHz, Pin = -20 dBm per tone.
2
F3dB
NF
P1dB
Symbol
V
G
G
VSWR
VSWR
OIP3
dV/dT
RF
d
p
p
ii)900 MHz OIP3 Test Condition: F1 = 900 MHz, F2 = 905 MHz, Pin = -20 dBm per tone.
iii) 2000 MHz OIP3 Test Condition: F1 = 2000 MHz, F2 = 2005 MHz, Pin = -20 dBm per tone.
R c =
in
out
C
block
V cc - V d
I d
Parameter and Test Condition:
Id = 60mA, Zo = 50
Device Voltage
Power Gain
Input Voltage Standing Wave Ratio
Device Voltage Temperature Coefficient
Gain Flatness
3dB Bandwidth
Output Voltage Standing Wave Ratio
50
Output Power at 1dB Gain Compression
Output Third Order Intercept Point
3Tx
Noise Figure
V
d
= 3.8 V
R
RFC
c
C
block
C
bypass
output
RF
V
CC
=
5
V
Table 1. Absolute Maximum Ratings
Notes:
1. Operation in excess of any one of these conditions may result in
2. Ground lead temperature is 25°C. Derate 20 mW/°C for Tc > 131.5
3. Thermal Resistance is measured from junction to board using IR
Symbol Parameter
I
P
P
T
T
100 MHz
100 to 900 MHz
100 MHz
100 MHz
100 MHz
Frequency
900 MHz
2.0 GHz
0.1 to 2.0 GHz
900 MHz
2.0 GHz
900 MHz
2.0 GHz
900 MHz
2.0 GHz
d
0.1 to 4.0 GHz
0.1 to 4.0 GHz
diss
in max
jc
j
stg
permanent damage to the device.
°C.
method.
[3]
[3]
[1,2]
[1,2]
[1,2]
[1,2,3]
Device Current
RF Input Power
Total Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance
mV/
dB
dB
GHz
dB
dBm
dBm
V
Units
0
C
[3]
[2]
15
16.0
3.3
27
Min. Typ.
Unit
mA
mW
dBm
0
0
0
C
C
C/W
[1]
16.9
16.5
16.2
1.3:1
1.5:1
17.7
17.1
16.2
3.8
0.3
0.5
4
4.1
4.2
4.4
33.4
32.6
28.8
-4.9
at Tc = +25°C
150
Max
Rating
90
370
20
-65 to 150
50
Max.
18
4.3