TQ3632 LNA IC Datasheet

TQ3632 Datasheet, PDF, Equivalent


Part Number

TQ3632

Description

Low Current/ 3V PCS Band CDMA LNA IC

Manufacture

TriQuint Semiconductor

Total Page 12 Pages
Datasheet
Download TQ3632 Datasheet


TQ3632
WIRELESS COMMUNICATIONS DIVISION
Control
Logic C2
GND
C2
L1
VDD
GND
TQ3632
DATA SHEET
Low Current, 3V PCS
Band CDMA LNA IC
RF RF 50 ohm
IN OUT RF Out
LNA
gnd
C3
Control
Logic
Product Description
The TQ3632 is a low current, 3V, RF LNA IC designed specifically for PCS band
CDMA applications. It’s RF performance meets the requirements of products
designed to the IS-95 specifications. The TQ3632 is designed to be used with the
TQ5631 or TQ5633 (CDMA mixer) which provides a complete CDMA receiver for
1900MHz phones.
The LNA incorporates on-chip switches which determine high, low and bypass mode
select. When used with the TQ5631 or TQ5633 (CDMA RFA/mixer), four gain steps
are available for use which provide low current/high IP3 and gain. The RF output
port is internally matched to 50 , greatly simplifying the design and minimizing the
number of external components. The TQ3632 achieves excellent RF performance
with low current consumption, supporting long standby and talk times in portable
applications. Coupled with the very small SOT23-8 package, the part is ideally suited
for PCS band mobile phones.
Electrical Specifications1
Features
Small size: SOT23-8
Single 3V operation
Low-current operation
Gain Select
High IP3 performance
Few external components
Applications
IS-95 CDMA PCS Mobile Phones
Parameter
Frequency
Min Typ Max
1960
Gain 12.5
Noise Figure
1.5
Input 3rd Order Intercept
7.0
DC supply Current
7.5
Note 1: Test Conditions: Vdd=2.8V, RF=1960MHz, Tc=25C, CDMA High Gain state.
Units
MHz
dB
dB
dBm
mA
For additional information and latest specifications, see our website: www.triquint.com
1

TQ3632
TQ3632
Data Sheet
Electrical Characteristics
Parameter
Conditions
RF Frequency
PCS band
CDMA Mode-High Gain
Gain
Noise Figure
Input IP3
Input Return Loss (with external matching)
Output Return Loss
Supply Current
CDMA Mode-High Gain-Low Linearity
Gain
Noise Figure
Input IP3
Input Return Loss (with external matching)
Output Return Loss
Supply Current
Bypass Mode
Gain
Noise Figure
Input IP3
Input Return Loss (with external matching)
Output Return Loss
Supply Current
Supply Voltage
Note 1: Test Conditions: Vdd=2.8V, RF=1960MHz, TC = 25° C, unless otherwise specified.
Note 2: Min/Max limits are at +25°C case temperature, unless otherwise specified.
Min.
1810
10.5
5.0
10
10
8.5
2.0
10
10
-3.0
20.0
10
10
2.7
Typ/Nom
1960
12.5
1.5
7.0
7.5
11.0
1.8
4.0
4.5
-2.0
2.0
25.0
1.0
2.8
Max.
1990
1.9
9.5
6.5
-1.0
3.0
2.5
3.3
Units
MHz
dB
dB
dBm
dB
dB
mA
dB
dB
dBm
dB
dB
mA
dB
dB
dBm
dB
dB
mA
V
Absolute Maximum Ratings
Parameter
DC Power Supply
Power Dissipation
Operating Temperature
Storage Temperature
Signal level on inputs/outputs
Voltage to any non supply pin
Value
5.0
500
-40 to 85
-60 to 150
+20
+0.3
Units
V
mW
C
C
dBm
V
2 For additional information and latest specifications, see our website: www.triquint.com


Features WIRELESS COMMUNICATIONS DIVISION TQ3632 C2 Control Logic C2 L1 DATA SHEET V DD GND GND Low Current, 3V PCS Band CDMA LNA IC RF IN LNA gnd RF 50 ohm O UT RF Out Control Logic C3 Features S mall size: SOT23-8 Single 3V operation Low-current operation Product Descript ion The TQ3632 is a low current, 3V, RF LNA IC designed specifically for PCS b and CDMA applications. It’s RF perfor mance meets the requirements of product s designed to the IS-95 specifications. The TQ3632 is designed to be used with the TQ5631 or TQ5633 (CDMA mixer) whic h provides a complete CDMA receiver for 1900MHz phones. The LNA incorporates o n-chip switches which determine high, l ow and bypass mode select. When used wi th the TQ5631 or TQ5633 (CDMA RFA/mixer ), four gain steps are available for us e which provide low current/high IP3 an d gain. The RF output port is internall y matched to 50 Ω, greatly simplifyin g the design and minimizing the number of external components. The TQ3632 achieves excellent RF performanc.
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