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PDF TQP4M9071 Data sheet ( Hoja de datos )
| Número de pieza | TQP4M9071 | |
| Descripción | 31.5 dB Digital Step Attenuator | |
| Fabricantes | TriQuint Semiconductor | |
| Logotipo |  |
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TQP4M9071
High Linearity 6-Bit, 31.5dB Digital Step Attenuator
Applications
Mobile Infrastructure
LTE / WCDMA / CDMA / EDGE
Test Equipments and Sensors
IF and RF Applications
General Purpose Wireless
24-pin 4x4mm leadless QFN package
Product Features
DC - 4 GHz
0.5 dB LSB Steps to 31.5 dB
+57 dBm Input IP3
1.7 dB Insertion Loss @ 2.2 GHz
TTL / CMOS Compatible Parallel Control Interface
No requirement for external bypass capacitors for
operation above 700 MHz
50 Ω Impedance
+3.3V or +5V Supply Voltage
Functional Block Diagram
1
NC
2
NC
3
NC
4
NC
5
GND
6
RF IN
6-BIT
31.5
DSA
18
Vdd
17
NC
16
NC
15
NC
14
GND
13
RF OUT
General Description
The TQP4M9071 is a high linearity, low insertion loss, 6-
bit, 31.5 dB Digital Step Attenuator (DSA) operating over
the DC-4 GHz frequency range. The digital step attenuator
uses a single positive 3.3V or 5V supply and has a parallel
control interface for changing attenuation states. This
product maintains high attenuation accuracy over frequency
and temperature. No external matching components are
needed for the DSA. The product has an added feature of
not requiring external AC ground capacitors for operation
above 700 MHz.
The TQP4M9071 is available in a standard lead-free
/green/RoHS-compliant 24-pin 4x4mm QFN package.
www.DataSheet.net/
Pin Configuration
Pin #
Symbol
6 RF_ Input
7, 8, 9, 10, 11, 12
ACGND0-ACGND5
13 RF_Output
18 Vdd
19, 20, 21, 22, 23, 24 Attenuation Control Bits D0-D5
5, 14
Ground
Backside Paddle
Ground
All other pins are N/C
Ordering Information
Part No.
Description
TQP4M9071
6-Bit, 31.5 dB DSA
TQP4M9071-PCB_ IF 0.04-0.5 GHz Evaluation Board
TQP4M9071-PCB_RF 0.7-3.5GHz Evaluation Board
Standard T/R size = 1000 pieces on a 7” reel.
Data Sheet: Rev I 03-30-12
© 2012 TriQuint Semiconductor, Inc.
- 1 of 13 -
Disclaimer: Subject to change without notice
Connecting the Digital World to the Global Network®
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
TQP4M9071
High Linearity 6-Bit, 31.5dB Digital Step Attenuator
Typical Performance Data
Input IP3
Frequency : 2GHz, Vdd = 5V
65
Input IP3
Mode 2 , Frequency : 150MHz, Vdd = 5V
65
60 60
55 55
50
45
0
+25C
-40C
5 10 15 20
Attenuation States
+85C
25 30
50
45
0
+25C
-40C
5 10 15 20
Attenuation States
+85C
25 30
Relative Phase vs. Frequency
60
0.5 dB 1dB
2dB
Vdd = 5 V , Temp. = 25oC
50
4dB 8dB 16dB
40 31.5dB
30
20
10
0
-10
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Frequency (GHz)
Attenuation Error vs. Attenuation States
1.0
0.8 Vdd = 5 V , Temp. = 25oC
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
www.DataSheet.net/
-0.8
0.9 GHz 1.8 GHz 2.2 GHz 2.7 GHz
-1.0
0
5 10 15 20 25 30
Attenuation States (dB)
Data Sheet: Rev I 03-30-12
© 2012 TriQuint Semiconductor, Inc.
- 5 of 13 -
Disclaimer: Subject to change without notice
Connecting the Digital World to the Global Network®
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page 
TQP4M9071
High Linearity 6-Bit, 31.5dB Digital Step Attenuator
Applications Information
PC Board Schematic
Vdd
47pF
J1
RF
Input C5
0.2pF
50 Ohms
C1
1000pF
C5 not required for final
application circuit. Used on
PCB to resonate out the
RF connector parasitics.
NC
1
NC
2
NC
3
NC
4
GND
5
RF IN
6
U1
C10
330pF
C11
330pF
Vdd
R4
15 Ω
Vdd
18
NC
17
NC
16
NC
15
GND
14
RF OUT
13
www.DataSheet.net/
C4
0.1uF
C3
1000pF
50 Ohms
C13
330pF
J2
RF
C7 Output
0.2pF
C7 not required for final
application circuit. Used on
PCB to resonate out the
RF connector parasitics.
J6
RF
Input
50 Ohms
C14
0.2pF
C8
1000pF
Thru Calibration Line
50 Ohms
C9
1000pF
50 Ohms
C15
0.2pF
J7
RF
Output
Data Sheet: Rev I 03-30-12
© 2012 TriQuint Semiconductor, Inc.
- 11 of 13 -
Disclaimer: Subject to change without notice
Connecting the Digital World to the Global Network®
Datasheet pdf - http://www.DataSheet4U.co.kr/
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet TQP4M9071.PDF ] | |
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