AT20-0273 Datasheet, PDF (2/3 Pages) Tyco Electronics – Digital Attenuator, 32 dB, 2-Bit, TTL Driver, DC - 2 GHz

Digital Attenuator, 32 dB, 2-Bit, TTL Driver, DC - 2 GHz
AT20-0273
V 3.00
Electrical Specifications: T_A = 25°C
Parameter
Icc
Iee
Test Conditions
Frequency Units Min
Vcc = 4.5 to 5.5V
—
Vctl = 0 to 0.8V, or Vcc –2.1V to Vcc
mA
—
Vee = -5.0 to -8.0V
—
mA
—
Typ
—
—
Max
2.0
1.0
Absolute Maximum Ratings ³
Parameter
Max Input Power
0.5 GHz
0.5 - 2.0 GHz
Supply Voltages
Vcc
Vee
Control Voltage ⁴
Operating Temperature
Storage Temperature
Absolute Maximum
+27 dBm
+34 dBm
+5.5V
-8.5V
-0.5V to Vcc +0.5V
-40°C to +125°C
-65°C to +150°C
3. Operation of this device above any one of these parameters
may cause permanent damage.
4. Standard CMOS TTL interface, latch-up will occur if logic
signal is applied prior to power supply.
Functional Schematic (Top View) ⁵
Truth Table
Control Input
C2
C1
0
0
0
1
1
0
0 = TTL Low
1 = TTL High
Attenuation
Reference
16 dB
32 dB
RF1
GND
GND
GND
Vee
Vcc
NC
PIN 16 NC
16 dB
16 dB
RF2
GND
GND
GND
GND
C1
GND Orientation Mark
C2 PIN 1
5. Use the C1 control for a single 16-dB bit.
Specifications subject to change without notice.
2
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n Asia/Pacific: Tel.[phone], Fax [phone]
n Europe: Tel. [phone], Fax[phone]
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