RoHS
Compliant
Digital Attenuator, 4-Bit, Single Control, 15 dB
0.5 - 4.0 GHz
MAATSS0019
V2
Functional Schematic 4,5
Features
• Single Control CMOS Logic for Each Bit
• Attenuation: 1 dB Steps to 15 dB
• Low DC Power Consumption: 50 µW
• Lead-Free TSSOP-16 Package
RF1
RF2
VS
GND
GND
GND GND
GND GND
•
•
•
100% Matte Tin Plating over Copper
Halogen-Free “Green” Mold Compound
RoHS* Compliant and 260°C Reflow Compatible
Pin 16
Description
The M/A-COM MAATSS0019 is a 4 Bit, 1 dB step
GaAs MMIC digital attenuator in a lead-free TSSOP-
1
4
2
8
16 surface mount plastic package.
The
MAATSS0019 is ideally suited for use where high
accuracy, very low power consumption and low
intermodulation products are required.
Typical
applications include radio, cellular, wireless LANs,
GPS equipment and other gain / level control
circuits.
Pin 1
GND GND VC1 VC2
VC3 VC4 GND GND
The MAATSS0019 is fabricated using a mature 1
micron GaAs MESFET process.
features full chip passivation for increased
performance and reliability.
The process
4. Required external blocking caps shown.
5. VS can be applied at RF1 or RF2 using a 10K Ohm or
greater pull-up resistor
Ordering Information 1
Pin Configuration
Part Number
Package
Pin No.
Function
Ground
Ground
VC1
Pin No.
Function
RF Port 2
Ground
MAATSS0019
Bulk Packaging
1
2
3
4
5
9
10
11
12
13
MAATSS0019TR
1000 piece reel
Ground
1. Reference Application Note M513 for reel size information.
VC2
Ground
Absolute Maximum Ratings 2,3
VC3
Ground
6
7
8
VC4
14
15
16
Ground
Ground
Parameter
Absolute Maximum
Ground
Ground
Input Power
50 MHz
500 - 4000 MHz
RF Port 1
+27 dBm
+34 dBm
Control Voltage
+8 V, -1.0 V
-40°C to +85°C
-65°C to +150°C
Operating Temperature
Storage Temperature
2. Exceeding any one or combination of these limits may
cause permanent damage to this device.
3. M/A-COM does not recommend sustained operation near
these survivability limits.
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
1
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
• North America Tel: 800.366.2266 / Fax: 978.366.2266
• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.