AA226-87 Alpha Industries, AA226-87 Datasheet - Page 5

• Manufacturer Part Number: AA226-87
• Description: AA226-87:GaAs ic 4 Bit Digital Attenuator 1 DB...
• Manufacturer: Alpha Industries

GaAs IC 4 Bit Digital Attenuator 1 dB LSB Positive Control 0.5–2.5 GHz
Truth Table
V
Absolute Maximum Ratings
Note: Exceeding these parameters may cause irreversible damage.
RF Input Power
Supply Voltage
Control Voltage
Operating Temperature
Storage Temperature
High
V
V
V
V
8 dB
V
High
High
High
High
0
0
= +3 to +5 V (V
1
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56
55
54
53
52
51
50
49
48
47
46
Characteristic
V
V
V
V
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
4 dB
V
High
High
High
High
0
0
2
S
= V
IP3 vs. Attenuation and
Temperature (500 MHz)
High
± 0.2 V).
V
V
V
V
2 dB
V
High
High
High
High
0
0
Attenuation (dB)
3
+25˚C
V
V
V
V
-40˚C
1 dB
+85˚C
V
High
High
High
High
0.5 W @ 50 MHz 0/8 V
0
0
1 W > 500 MHz 0/8 V
4
-65°C to +150°C
-40°C to +85°C
-0.2 V, +8 V
15 dB Max. Atten.
Value
+8 V
Reference I.L.
Attenuation
Specifications subject to change without notice. 9/00A
J
1 dB
2 dB
4 dB
8 dB
1
–J
2
Compression Point vs. Attenuation,
Voltage, and Temperature
Pin Out
DC blocking capacitors (C
for positive voltage operation.
C
Attenuation
BL
Ins. Loss
15 dB
= 47 pF for operation >500 MHz.
State
1 dB
2 dB
4 dB
8 dB
GND
GND
GND
GND
V
V
V
V
1
2
3
4
Voltage (V) + 25°C (dBm) +85°C (dBm) -40°C (dBm)
Control
3
3
3
3
3
3
BL
) and biasing resistor must be supplied externally
Input Power @ 1 dB Compression
24.5
25.2
25.0
31.2
28.3
26.6
8 dB
4 dB
2 dB
1 dB
24.1
24.8
24.3
30.4
26.3
24.8
C
C
BL
BL
10 kΩ
J
2
AA226-87
V
S
24.6
25.2
24.9
32.8
29.2
27.5
5