For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
ATTENUATORS - DIGITAL - SMT
3
HMC424AG16
v00.0416
0.5dB LSB GaAs MMIC 6-BIT DIGITAL
ATTENUATOR, DC - 3 GHz
Truth Table
Control Voltage
Bias Voltage & Current
Step Error vs Frequency (Major States)
Control Voltage Input
Attenuation
State
RF1 - RF2
V1
16 dB
V2
8 dB
V3
4 dB
V4
2 dB
V5
1 dB
V6
0.5 dB
Low Low Low Low Low Low
Reference
I.L.
Low Low Low Low Low High 0.5 dB
Low Low Low Low High Low 1 dB
Low Low Low High Low Low 2 dB
Low Low High Low Low Low 4 dB
Low High Low Low Low Low 8 dB
High Low Low Low Low Low 16 dB
High High High High High High 31.5 dB
Any Combination of the above states will provide an attenuation
approximately equal to the sum of the bits selected.
State Bias Condition
Low 0 to -3V @ 35 µA Typ.
High -5 to -4.2V < 1 µA Typ.
Vee Range= -5 Vdc ± 10%
Vee (VDC) Iee (Typ.) (mA) Iee (Max.) (mA)
-5 2.2 5
-2
-1.5
-1
-0.5
0
0.5
1
1.5
0 0.5 1 1.5 2 2.5 3 3.5 4
FREQUENCY (GHz)
