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TQ5121 Datasheet

  • TQ5121

  • 3V Cellular TDMA/AMPS LNA/mixer Receiver IC

  • 10頁(yè)

  • TRIQUINT

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WIRELESS COMMUNICATIONS DIVISION
TQ5121
N/C
N/C
Vdd MXR
1
2
3
16
15
14
13
12
11
10
9
Optional
GND
N/C
Mixer IF/
Vdd
GND
MXR RF
GND
LNA
Out
N/C
DATA SHEET
MXR LO 4
VDD LNA
GND
RF IN
GND
5
6
7
8
3V Cellular TDMA/AMPS
LNA/mixer Receiver IC
Features
摟
Pin compatible with TQ9222
(dual-band TDMA receiver)
摟
Single 3V operation
摟
Low-current operation
摟
50
鈩?/div>
matched inputs
摟
QSOP-16 plastic package
Product Description
The TQ5121 is a 3V, RF receiver IC designed specifically for Cellular band TDMA
applications. It鈥?RF performance meets the requirements of products designed to
s
the IS-136 and AMPS standards. The TQ5121 is pin compatible with TQ9222, which
enables handset designers to use strategic board platform strategy. The TQ5121
contains LNA+Mixer circuits to handle the 800MHz cellular band.
The mixer uses a high-side LO frequency, with the IF covering a range of 70 to
140MHz. Most RF ports are internally matched to 50
鈩?
greatly simplifying the
design and keeping the number of external components to a minimum. The TQ5121
achieves good RF performance with low current consumption, supporting long
standby times in portable applications. Coupled with the very small QSOP-16
package, the part is ideally suited for Cellular band mobile phones.
Electrical
Specifications
1
Min
869
17.5
2.7
-8.5
10.0
Typ
Max
894
Units
MHz
dB
dB
dBm
mA
Applications
摟
IS-136 Mobile Phones
摟
AMPS Mobile Phones
摟
ISM 900MHz
Parameter
Frequency
Gain
Noise Figure
Input 3
rd
Order Intercept
DC supply Current
Note 1: Test Conditions: Vdd=2.8V, Ta=25C, filter IL=2.5dB, RF=881MHz, LO=991MHz, IF=110MHz,
LO input=-7dBm
For additional information and latest specifications, see our website:
www.triquint.com
1

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