AA264-87 Alpha Industries, AA264-87 Datasheet - Page 5

• Manufacturer Part Number: AA264-87
• Description: AA264-87:GaAs ic 4 Bit Digital Attenuator 2 DB...
• Manufacturer: Alpha Industries

GaAs IC 4 Bit Digital Attenuator 2 dB LSB Positive Control 0.5–2 GHz
Truth Table
V
High
V
V
V
V
16 dB
V
High
High
High
High
0
0
= +3 to +5 V (V
1
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57
55
53
51
49
47
45
43
41
39
37
V
V
V
V
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
8 dB
V
High
High
High
High
0
0
2
S
= V
IP3 vs. Attenuation and
Temperature (500 MHz)
High
+85˚C
± 0.2 V).
+25˚C
V
V
V
V
4 dB
V
High
High
High
High
0
0
Attenuation (dB)
3
-40˚C
V
V
V
V
2 dB
V
High
High
High
High
0
0
4
30 dB Max. Atten.
Reference I.L.
Attenuation
Specifications subject to change without notice. 9/00A
16 dB
J
2 dB
4 dB
8 dB
1
–J
2
Compression Point vs. Attenuation,
Voltage, and Temperature
Absolute Maximum Ratings
Note: Exceeding these parameters may cause irreversible damage.
Pin Out
DC blocking capacitors (C
for positive voltage operation.
C
Attenuation
RF Input Power
Supply Voltage
Control Voltage
Operating Temperature
Storage Temperature
BL
Ins. Loss
16 dB
30 dB
= 47 pF for operation >500 MHz.
State
2 dB
4 dB
8 dB
GND
GND
GND
GND
Characteristic
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
21.7
21.2
34.3
33.6
18.0
22.4
16 dB
8 dB
4 dB
2 dB
0.5 W @ 50 MHz 0/8 V
1 W > 500 MHz 0/8 V
-65°C to +150°C
21.6
20.7
31.0
23.0
17.0
21.2
-40°C to +85°C
C
-0.2 V, +8 V
BL
C
Value
BL
10 kΩ
+8 V
J
2
AA264-87
V
S
22.6
21.4
34.3
32.9
21.4
24.1
5