HRF-AT4610
Preliminary
31.5 dB, DC-4GHz, 6 Bit
Parallel Digital Attenuator
Features
•
•
•
•
•
•
Very Low DC Power Consumption
Attenuation In Steps From 0.5 dB To 31.5 dB
Single Or Dual Power Supply Voltages
Parallel Data Interface
50 Ohm Compatible Impedance
TM
Space Saving LPCC Surface Mount Packaging
Product Description
The Honeywell HRF-AT4610 is a 6-bit digital
attenuator that is ideal for use in broadband
communication system applications that require
accuracy, speed and low power consumption. The
HRF-AT4610 is manufactured with Honeywell's
patented Silicon On Insulator (SOI) CMOS
manufacturing
technology, which provides the
performance of GaAs with the economy and
integration capabilities of conventional CMOS.
HRF-AT4610 in LPCC™ Package
RF Electrical Specifications @ + 25
o
C
Results @ Vdd = 5.0 +/- 10%, Vss = 0 unless otherwise stated, Z0 = 50 Ohms
Parameter
Test Condition
Frequency
Minimum
Insertion Loss
DC – 0.5 GHz
2.0 GHz
3.0 GHz
4.0 GHz
DC – 2.0 GHz
DC – 2.0 GHz
Typical
2.1
2.9
--
--
24
29
Maximum
Units
dB
dB
dB
dB
dBm
dBm
1dB Compression
1dB Compression
Input IP3
VSS = 0V, Input Power
VSS = - VDD, Input Power
VSS = 0V Two-tone inputs
DC – 2.0 GHz
38
dBm
Up To +5 dBm @ 0 dBm
Attenuation
Input IP3
V
ss
= - V
DD
DC – 2.0 GHz
>38
dBm
Two-tone inputs Up To + 5
dBm @ 0 dBm Attenuation
Return Loss*
Any Bit or Combination
DC - 4.0 GHz
11
dB
Attenuation Accuracy
All attenuation states
DC – 1.0 GHz
+/-(0.3 + 3% of programmed IL)
dB
All attenuation states
2.0 GHz
+/-(0.3 + 3% of programmed IL)
dB
All attenuation states
3.0 GHz
+/-(0.4 + 4% of programmed IL)
dB
All attenuation states
4.0 GHz
+/-(0.5 + 6% of programmed IL)
dB
Trise, Tfall*
10% To 90%
10
nS
Ton, Toff (Tpd)
50% Cntl To 90%/10%RF
15
nS
Transients
In-Band
30
mV
0.01uF Decoupling Capacitors Required On Power Supply Rails
________________________________________________________________________________________________________
*By design
Web Site:
www.mysoiservices.com
Honeywell
Email:
mysoiservices@honeywell.com
Solid State Electronics Center
12001 State Highway 55
2002 4610W
Published June 2002 Page 1
Plymouth, Minnesota 55441-4799
1-800-323-8295
HRF-AT4610
Preliminary
Functional Schematic
DC Electrical Specifications @ + 25
o
C
Parameter
V
DD
V
SS
I
DD
Power Supply Current
CMOS Logic level (0)
0
CMOS Logic level (1)
V
DD
– 0.8
Input Leakage Current
Note 1, the performance curves are for Vdd = +5.0 +/- 10%
Minimum
3.3
1
Typical
5.0
Maximum
-5.0
2
0.8
V
DD
10
Units
V
V
mA
V
V
uA
Absolute Maximum Ratings
2
Parameter
Input Power
V
DD
V
SS
ESD Voltage
Operating Temperature
Storage Temperature
(
Digital Inputs
Absolute Maximum
+ 35
+6.0
-5.5
400
-40 To +85
-65 To +125
V
DD
+0.6 max to V
SS
-0.6 min
Units
dBm
V
V
V
Degrees C
Degrees C
V
(Note 2) Operation of this Device beyond any of these parameters may cause permanent damage.
Latch-Up:
Unlike conventional CMOS digital attenuators, Honeywell's HRF-AT4610 is immune to latch-up.
.
ESD Protection:
Although the HRF-AT4610 contains ESD protection circuitry on all digital inputs, conventional precautions should
be taken to ensure that the Absolute Maximum Ratings are not exceeded.
________________________________________________________________________________________________________
Web Site:
Email:
2002 4610W
www.mysoiservices.com
mysoiservices@honeywell.com
Published June 2002
Page 2
Honeywell
Solid State Electronics Center
12001 State Highway 55
Plymouth, Minnesota 55441-4799
1-800-323-8295
HRF-AT4610
Preliminary
Package Outline Drawing
This package conforms to the LPCC
TM
4 X 4 mm 24 lead body dimensions.
See ASAT LPCC Marketing Outline Dwg. # DGMJ00004 Latest Rev. at
http://www.asat.com
for additional dimensional information.
Pin Configuration
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Function
VDD
GROUND
GROUND
RF INPUT
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
Pin
13
14
15
16
17
18
19
20
21
22
23
24
Function
GROUND
GROUND
RF OUTPUT
GROUND
VSS
DIGITAL GROUND
S0
S1
S2
S3
S4
S5
Truth Table
S5
0
0
0
0
0
0
1
1
S4
0
0
0
0
0
1
0
1
S3
0
0
0
0
1
0
0
1
S2
0
0
0
1
0
0
0
1
S1
0
0
1
0
0
0
0
1
S0
0
1
0
0
0
0
0
1
Output
Reference Input
0.5 dB
1 dB
2 dB
4 dB
8 dB
16 dB
31.5 dB
Operation:
Data on parallel input “S” pins are independently buffered and presented to the RF attenuator circuits.
"0" = CMOS Low, "1" = CMOS High.
________________________________________________________________________________________________________
Web Site:
Email:
2002 4610W
www.mysoiservices.com
mysoiservices@honeywell.com
Published June 2002
Page 3
Honeywell
Solid State Electronics Center
12001 State Highway 55
Plymouth, Minnesota 55441-4799
1-800-323-8295
HRF-AT4610
Preliminary
Evaluation Circuit Board
Honeywell's evaluation board provides an
easy to use method of evaluating the RF
performance of our attenuator. Simply
connect power, DC and RF signals to be
measuring attenuator performance in less
than 10 minutes.
HRF-AT4610 Evaluation Board
Evaluation Circuit Board Layout Design Details
Item
PCB
Attenuator
Chip Capacitor
RF Connector
DC Pin
Description
Impedance Matched Multi-Layer FR4
HRF-AT4610 Digital Attenuator
Panasonic Model ECU-E1C103KBQ Capacitor, .01uf 0402 10% 16V
Johnson Connectors Model 142-0701-801 SMA RF Coaxial Connector
Mil-Max Model 800-10-064-10-001 Header Pins
Evaluation Circuit Board Connections
Digital
VDD
Gnd
Gnd
VSS
S5 S4 S3 S2 S1 S0
RF In
HRF-AT4610
Evaluation Board
Top View
RF Out
HRF-AT4610
Honeywell
“0” = CMOS Low, “1” = CMOS High
________________________________________________________________________________________________________
Web Site:
Email:
2002 4610W
www.mysoiservices.com
mysoiservices@honeywell.com
Published June 2002
Page 4
Honeywell
Solid State Electronics Center
12001 State Highway 55
Plymouth, Minnesota 55441-4799
1-800-323-8295
HRF-AT4610
Preliminary
Performance Curves
Insertion Loss
This Insertion Loss curve represents the
Min/Max conditions for the “0” pass
state versus all processing and
temperature conditions. The Min case
is at –40C with the “Fast” processing
conditions. The Max case is at +85C
with the “Slow” processing conditions.
All other combinations fall within that
band. The typical 25C case is labeled
+25C TT.
Return Loss
This Return Loss set of curves
represents the combination of all Return
Loss cases for all attenuation settings.
All cases are better than –14dB Return
Loss at 4GHz.
________________________________________________________________________________________________________
Web Site:
Email:
2002 4610W
www.mysoiservices.com
mysoiservices@honeywell.com
Published June 2002
Page 5
Honeywell
Solid State Electronics Center
12001 State Highway 55
Plymouth, Minnesota 55441-4799
1-800-323-8295
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