Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2 GHz

AT-107

Specifications subject to change without notice.

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V 4.00

2

Parameter

Test Conditions

Frequency

Units

Min

Typ

Max

Vcc

—

—

V

4.5

5.0

5.5

Iee

Vee = -5.0 to -8.0V

—

mA

—

—

1.0

Vctl

Vctl

Logic 0 (TTL)

Logic 1 (TTL)

—

—

V

V

0.0

2.0

—

—

0.8

5.0

Input Leakage Current (Low)

0 to 0.8V

—

µA

—

—

1.0

Input Leakage Current (High)

2.0 to 5.0V

—

µA

—

—

1.0

Vee

—

—

V

-8.0

—

-5.0

Icc

Vcc = 4.5 to 5.5V

Vctl = 0 to 0.8V, or Vcc –2.1V to Vcc

—

mA

—

—

6.0

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

-55°C to +125°C

Storage Temperature

-65°C to +150°C

Functional Schematic (Top View)

Truth Table

C6

C5

C4

C3

C2

C1

Attenuation

0

0

0

0

0

0

Reference

0

0

0

0

0

1

0.5 dB

0

0

0

0

1

0

1 dB

0

0

0

1

0

0

2 dB

0

0

1

0

0

0

4 dB

0

1

0

0

0

0

8 dB

1

0

0

0

0

0

16 dB

1

1

1

1

1

1

31.5 dB

Control Inputs

0 = TTL Low

1 = TTL High

PIN 1 GND

GND

GND

C16

C8

Vee (-5V to -8V)

Vcc (+5V)

C4

GND

GND

GND

GND

GND

GND

RF1 PIN 24

16 dB

8 dB

4 dB

2 dB

1 dB

0.5 dB

GND

GND

GND Orientation Mark

GND

RF2 PIN 13

C2

C1

C0.5

PIN 12 GND