Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2 GHz

AT20-0106

Specifications subject to change without notice.

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V 5.00

2

Parameter

Test Conditions

Frequency

Units

Min

Typ

Max

Icc

Vcc = 4.5 to 5.5V

Vctl = 0 to 0.8V, or Vcc –2.1V to Vcc

—

mA

—

—

6.0

Iee

Vee = -5.0 to -8.0V

—

mA

—

—

1.0

Absolute Maximum Ratings

3

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.

Parameter

Absolute Maximum

Max Input Power

0.5 GHz

0.5 - 2.0 GHz

+27 dBm

+34 dBm

Supply Voltages

Vcc

Vee

+5.5V

-8.5V

Control Voltage

4

-0.5V to Vcc +0.5V

Operating Temperature

-40°C to +125°C

Storage Temperature

-65°C to +150°C

Truth Table

C6

C5

C4

C3

C2

C1

Attenuation

0

0

0

0

0

0

Reference

0

0

0

0

0

1

1 dB

0

0

0

0

1

0

2 dB

0

0

0

1

0

0

4 dB

0

0

1

0

0

0

8 dB

0

1

0

0

0

0

16 dB

1

0

0

0

0

0

32 dB

1

1

1

1

1

1

63 dB

Control Inputs

Functional Schematic (Top View)

PIN 1 GND

GND

GND

C32

C16

Vee (-5V to -8V)

Vcc (+5V)

C8

GND

GND

GND

GND

GND

GND

RF1 PIN 24

32 dB

16 dB

8 dB

4 dB

2 dB

1 dB

GND

GND

GND Orientation Mark

GND

RF2 PIN 13

C4

C2

C1

PIN 12 GND

0 = TTL Low

1 = TTL High