DC-4.0 GHz. AT90-0107 Datasheet

AT90-0107 Datasheet PDF, Equivalent


Part Number

AT90-0107

Description

Digital Attenuator/ 31.5 dB/ 6-Bit/ TTL Driver/ DC-4.0 GHz

Manufacture

Tyco Electronics

Total Page 7 Pages
PDF Download
Download AT90-0107 Datasheet PDF


AT90-0107 Datasheet
Digital Attenuator, 31.5 dB, 6-Bit,
TTL Driver, DC-4.0 GHz
V 7.00
Features
n Attenuation: 0.5 dB Steps to 31.5 dB
n Low DC Power Consumption
n Small Footprint, JEDEC Package
n Integral TTL Driver
n 50 ohm Impedance
n Test Boards are Available
n Tape and Reel Packaging Available
Description
M/A-COM's AT90-0107 is a GaAs FET 6-bit digital
attenuator with integral TTL driver. Step size is 0.5 dB pro-
viding a 31.5 dB total attenuation range. This device is in
an FQFP-N plastic surface mount package. The AT90-0107
is ideally suited for use where accuracy, fast speed, very
low power consumption and low costs are required.
CSP-1
Electrical Specifications TA = +25°C
Parameter
Test Conditions
Frequency Units Min Typical
Max
Insertion Loss
Attenuation
Accuracy
Individual Bits 0.5-1-2-4-8-16 dB
Any Combination of Bits
1 to 31.5 dB
DC - 4.0 GHz
DC - 4.0 GHz
DC - 4.0 GHz
dB
dB
dB
4.5 5.1
— ±(.3 +7% of atten setting)
— ±(.5 +8% of atten setting)
VSWR
Switching Speed
1 dB
Compression
Input IP3
+Vcc
-Vee
Logic “0”
Logic “1”
Icc
-Iee
Full Range
50% Cntl to 90%/10% RF
10% to 90% or 90% to 10%
Two-tone inputs up to +5 dBm
Sink Current is 20 µA max.
Source Current is 20 µA max.
Vcc min to max, Logic “0” or “1”
-Vee min to max, Logic “0” or “1”
DC - 4.0 GHz Ratio
50 MHz
0.5 - 4.0 GHz
nS
nS
dBm
dBm
50 MHz
0.5-4.0 GHz
dB
dB
V
V
—V
—V
— mA
— mA
4.75
-8.0
0.0
2.0
2.0:1
75
20
+21
+29
+35
+48
5.0
-5.0
0.2
-0.2
2.2:1
150
50
5.25
-4.75
0.8
5.0
6
-1

AT90-0107 Datasheet
Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 4.0 GHz
AT90-0107
V 7.00
Pin Configuration
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Function
C8
C4
C2
C1
C0.5
C16
GND
NC
NC
NC1
GND
RF1
GND
NC
NC
NC
Pin #
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1. Pins 10 & 29 must be isolated
Function
NC
NC
NC
NC
NC
NC
NC
NC
NC
GND
RF2
GND
NC1
-Vee
NC
+Vcc
Truth Table
C16 C8 C4 C2 C1 C0.5 Attenuation
0 0 0 0 0 0 Loss, Reference
0 0 0001
0.5 dB
0 0 0010
1.0 dB
0 0 0100
2.0 dB
0 0 1000
4.0 dB
0 1 0000
8.0 dB
1 0 0000
16.0 dB
1 1 1111
31.5 dB
0 = TTL Low; 1 = TTL High
Recommended PCB Layout 2
2. Application Note C2083 is available on line at
www.macom.com
Absolute Maximum Ratings 3
Parameter
Max. Input Power
0.05 GHz
0.5 - 4.0 GHz
+Vcc
-Vee
Logic Voltages 4
Operating Temperature
Absolute Maximum
+27 dBm
+34 dBm
+5.5V
-8.5V
-0.5 to +Vcc + 0.5V
-40°C to +85°C
Storage Temperature
-65°C to +125°C
3. Operation of this device above any one of these
parameters may cause permanent damange.
4. Standard CMOS TTL interface, latch-up will occur if logic
signal is applied prior to power supply.
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266
n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
2


Features Datasheet pdf Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC-4.0 GHz V 7.00 AT90-0107 Features n n n n n n n CSP-1 Attenuat ion: 0.5 dB Steps to 31.5 dB Low DC Pow er Consumption Small Footprint, JEDEC P ackage Integral TTL Driver 50 ohm Imped ance Test Boards are Available Tape and Reel Packaging Available Description M/A-COM's AT90-0107 is a GaAs FET 6-bit digital attenuator with integral TTL d river. Step size is 0.5 dB providing a 31.5 dB total attenuation range. This d evice is in an FQFP-N plastic surface m ount package. The AT90-0107 is ideally suited for use where accuracy, fast spe ed, very low power consumption and low costs are required. Electrical Specifi cations TA = +25°C Parameter Insertion Loss Attenuation Accuracy Test Conditi ons — Individual Bits 0.5-1-2-4-8-16 dB Any Combination of Bits 1 to 31.5 dB Full Range 50% Cntl to 90%/10% RF 10% to 90% or 90% to 10% — — Two-tone i nputs up to +5 dBm — — Sink Current is 20 µA max. Source Current is 20 µA max. Vcc min to max, Logic “0” or “.
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