AT15-0001 Datasheet, PDF (2/2 Pages) Tyco Electronics – Digital Attenuator, 31 dB, 5-Bit, TTL Driver DC - 2.0 GHz

Digital Attenuator, 31 dB, 5-Bit, TTl Driver
Absolute Maximum Ratings¹
Parameter
Absolute Maximum
Maximum Input Power
DC - 0.5 GHz
0.5 - 2.0 GHz
Supply Voltages
V_CC
V_EE
Control Voltage
Operating Temperature
Storage Temperature
+27 dBm
+34 dBm
-0.5 V to +7.0 V
-18 V to +0.5 V
-0.5 V to V_CC + 0.5 V
-55°C to +125°C
-65°C to +150°C
1. Operation of this device above any one of these
parameters may cause permanent damage.
Functional Schematic
RF 1
16 dB
1 dB
2 dB
AT15-0001
V4.00
RF 2
4 dB
8 dB
Truth Table
Control Inputs
C16 C8 C4
C2
C1
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
0
1
1
1
1
1
0 = TTL Low
1 = TTL High
Attenuation
Reference
1 dB
2 dB
4 dB
8 dB
16 dB
31 dB
+5V GND -12V N/C 16 1 2 4 8
GND
TTL
CONTROL INPUT
Ordering Information ²
Part Number
AT15-0001
Package
Dual Inline
2. Contact the factory for standard or custom screening
requirements.
Typical Performance
REFERENCE INSERTION LOSS VS FREQUENCY
10
8
+85°C
6
4
+25°C
-55°C
2
0
0.0
0.5
1.0
1.5
2.0
FREQUENCY (GHz)
ATTENUATION ACCURACY VS FREQUENCY
(1, 2, 4, 8 and 16 dB Bits and Full Attenuation)
1.0
16 dB Bit
8 dB Bit
2 dB Bit
0.5
0
-0.5
Full Attenuation _{4 dB Bit 1 dB Bit}
-1.0
0.0
0.5
1.0
1.5
2.0
FREQUENCY (GHz)
VSWR VS FREQUENCY
2.0
1.8
1.6
Reference
1.4 Loss State
2 dB Bit State
1 dB Bit State
8 dB Bit State 4 dB Bit State
16 dB Bit State
1.2
1.0
0.0
0.5
1.0
1.5
2.0
FREQUENCY (GHz)
Specifications Subject to Change Without Notice.
2
North America: Tel. [phone]
Fax [phone]
s Asia/Pacific: Tel. [phone]
Fax [phone]
M/A-COM, Inc.
s Europe: Tel. [phone]
Fax [phone]