AT15-0001 Datasheet, PDF (1/2 Pages) Tyco Electronics – Digital Attenuator, 31 dB, 5-Bit, TTL Driver DC - 2.0 GHz

Digital Attenuator, 31 dB, 5-Bit, TTL Driver
DC - 2.0 GHz
AT15-0001
V4.00
Features
q Attenuation: 1-dB Steps to 31 dB
q _{Low DC Power Consumption}
q Integral TTL Driver
q 50Ω Nominal Impedance
DI-3
RF1
1.37
(34.8 ±0.5)
RF2
+V C R 16 1 2 4 8
0.200 MAX
(5.1)
Description
M/A-COM’s AT15-0001 is a GaAs FET 5-bit digital
0.018 ±0.005
(0.46 ±0.13)
DIA 24 PINS
0.100 TYP
(2.4)
0.120 MIN
(3.0)
attenuator with a 1-dB minimum step size and 31 dB
total attenuation. This attenuator and integral TTL driver
is in a 24-pin dual inline package. The AT15-0001 is
ideally suited for use where accuracy, fast switching,
very low power consumption and low intermodulation
PIN 1
0.600
(15.2)
0.80
(20.3 ±0.5)
PIN 13
products are required. Typical applications include
dynamic range setting in precision receiver circuits and
0.10
(2.5 ±0.5)
0.14
(3.6 ±0.5)
other gain/leveling control circuits.
Pin Configuration
Environmental screening is available. Contact the factory
for information.
1 2 3 4 5 6 7 8 9 10-12 13 14-23 24
+5 V GND -12 V GND C16 C1 C2 C4 C8 GND RF2 GND RF1
Dimensions in ( ) are in mm. Unless otherwise noted:
.xxx = ±0.010 (.xx = ±0.25)
Typical Electrical Specifications¹, T_A= ^-55°C to +85°C
Parameter
Reference Insertion Loss
Attenuation Accuracy^2,3
VSWR
Trise, Tfall
Ton, Toff
Transients
1 dB Compression
Input IP₃
Input IP₂
V_CC
V_EE
I_CC
I_EE
Vctl
Input Leakage Current
Test Conditions
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
Any Single Bit
DC - 1.0 GHz
DC - 2.0 GHz
Any Combination of Bits
DC - 1.0 GHz
DC - 2.0 GHz
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
10% RF to 90% RF
50% Control to 90%/10% RF
In-band
Input Power
0.05 GHz
Input Power
0.5 - 2.0 GHz
For two-tone input power
0.05 GHz
up to +5 dBm
0.5 - 2.0 GHz
For two-tone input power
0.05 GHz
up to +5 dBm
0.5 - 2.0 GHz
Low
High
V_CC = 4.5 to 5.5 V
Vctl = 0 to 0.8 V, or V_CC - 2.1 V to V_CC
V_EE = -16.5 to -10.8 V
V_EE = -12.0 V
Logic 0 (TTL)
Logic 1 (TTL)
0 to 0.8 V
2.0 to 5.0 V
Units
Minimum
Typical
Maximum
dB
6.0
dB
6.5
dB
7.3
± (0.2 dB + 2% of attenuation setting in dB) dB
± (0.25 dB + 2% of attenuation setting in dB) dB
± (0.2 dB + 2% of attenuation setting in dB) dB
± (0.3 dB + 2% of attenuation setting in dB) dB
1.3:1
1.4:1
1.7:1
nS
5
nS
30
mV
220
dBm
+20
dBm
+27
dBm
+40
dBm
+40
dBm
+60
dBm
+75
V
4.5
5.0
5.5
V
-16.5
-10.8
mA
10
mA
8.0
mA
5.0
V
0.0
0.8
V
2.0
5.0
µA
1.0
µA
1.0
1. All specifications apply when operated with bias voltages of +5 V for V_CC and -16.5 V to -10.8 V for V_EE, and 50Ω impedance at all ports unless otherwise specified.
2. Above reference insertion loss.
3. This attenuator is guaranteed monotonic.
4. Replaces AT-104.
Specifications Subject to Change Without Notice.
M/A-COM, Inc.
1
North America: Tel. [phone]
Fax [phone]
s Asia/Pacific: Tel. [phone]
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s Europe: Tel. [phone]
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