AT-107 Datasheet, PDF (2/3 Pages) Tyco Electronics – Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2 GHz

Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2 GHz
AT-107
V 4.00
Electrical Specifications: T_A = -55°C to +85°C
Parameter
Test Conditions
Frequency Units Min
Vcc
—
—
V
4.5
Vee
—
—
V
-8.0
Icc
Vcc = 4.5 to 5.5V
—
mA
—
Vctl = 0 to 0.8V, or Vcc –2.1V to Vcc
Iee
Vee = -5.0 to -8.0V
—
mA
—
Vctl
Logic 0 (TTL)
—
V
0.0
Vctl
Logic 1 (TTL)
—
V
2.0
Input Leakage Current (Low)
0 to 0.8V
—
µA
—
Input Leakage Current (High)
2.0 to 5.0V
—
µA
—
Typ
5.0
—
—
—
—
—
—
—
Max
5.5
-5.0
6.0
1.0
0.8
5.0
1.0
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
-55°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)
Truth Table
Control Inputs
C6 C5 C4 C3 C2 C1
0
0
0
0 00
0
0
0
0 01
0
0
0
0 10
0
0
0
1 00
0
0
1
0 00
0
1
0
0 00
1
0
0
0 00
1
1
1
1 11
Attenuation
Reference
0.5 dB
1 dB
2 dB
4 dB
8 dB
16 dB
31.5 dB
0 = TTL Low
1 = TTL High
PIN 1 GND
GND
GND
C16
C8
Vee (-5V to -8V)
Vcc (+5V)
C4
C2
C1
C0.5
PIN 12 GND
16 dB
8 dB
4 dB
2 dB
1 dB
0.5 dB
RF1 PIN 24
GND
GND
GND
GND
GND
GND
GND
GND
GND Orientation Mark
GND
RF2 PIN 13
Specifications subject to change without notice.
2
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