XC2408A816UR-G
1.6GHz ON/OFF Function LNA
ETR27006-001
GENERAL DESCRIPTION
The XC2408A816UR-G is an ultra-low-noise amplifier (LNA) with low operating voltage, low noise figure (NF), low power consumption using CMOS process, The XC2408 is designed for GPS band frequency (1.6GHz).
The IC's internal circuit can be placed in stand-by mode via the CE function, In the stand-by mode, consumption current is greatly reduced and there is no need to add external ON/OFF control function like LDO.
External RBIAS can adjust power supply to any voltage of 1.71V~3.63V as self bias function. Standard power supply .voltages are 3.45V, 3.00V, 2.85V and 1.80V.
APPLICATIONS
GPS band RF signal amplified
■FEATURES
Noise Figure
: NF=0.96dB (TYP.) (@ 1.575GHz)
Low Power Consumption : 12.6mW (TYP.) (VDD=1.80V, RBIAS=92Ω)
High Gain
: S21 =22.0dB (TYP.) (@ 1.575GHz)
CE Function
: CE “H” 1.1V~VDD (1.71V≦VDD≦3.15V) CE ”L” 0V~0.4V
Operation Voltage Range : 1.71V~3.63V
Output
: CMOS Output
50Ω Driver Built-in
Operating Temperature Range : - 40℃~+ 85℃
Package
: USP-8A01
Environmentally Friendly : EU RoHS Compliant, Pb Free
Power Gain : S21 (dB) Noise Figure : NF (dB)
■TYPICAL APPLICATION CIRCUIT
TYPICAL PERFORMANCE CHARACTERISTICS
Power Gain / Noise Figure vs. Frequency
TOP VIEW
VDD [V] (TYP.) 3.45 3.00 2.85 1.80
RBIAS [Ω] 360 270 240 92
* RBIAS should be used in 1% tolerance and
200ppm/
35 30 25 20 15 10
1 temperature stability.
XC2408A816
VDD=VCE=2.85V, Ta=25℃
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 Frequency : f (GHz)
0.0 2
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XC2408A816UR-G
BLOCK DIAGRAM
* Diodes inside the circuit are an ESD protection diode.
■PRODUCT CLASSIFICATION
Ordering Information
PRODUCT NAME XC2408A816UR-G (*1)
PACKAGE USP-8A01
ORDER UNIT 3,000 / Reel
(*1) The “-G” suffix denotes Halogen and Antimony free as well as being fully RoHS compliant.
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■PIN CONFIGURATION
XC2408A816UR-G
■PIN ASSIGNMENT
PIN NUMBER 1 2 3 4 5 6 7 8
PIN NAME RF_IN VSS1 VSS2 CE
RF_OUT VDD
RBIAS1 RBIAS2
USP-8A01 (BOTTOM VIEW
FUNCTION RF Signal Input
Ground Ground ON/OFF Control Pin RF Signal Output Power Supply RBIAS Connect Pin RBIAS Connect Pin
■FUNCTION CHART
PIN NAME
SIGNAL
CE High
CE CE Low
CE OPEN
STATUS Active
Stand-by Undefined State
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XC2408A816UR-G
■ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
Power Supply Voltage CE Input Voltage Current Circuit
RBIAS1 Input Voltage RBIAS2 Input Voltage
RF Input Power RF_IN Input Voltege RF_OUT Input Voltege
Power Dissipation
VDD VCE IDD RBIAS1 RBIAS2 PIN VRF_IN VRF_OUT Pd
-0.3 4.0 -0.3 VDD+0.3 or 4.0 (*1)
42 -0.3 VDD+0.3 or 4.0 (*1)
-0.3 +1.6
10 -0.3 RBIAS2+0.3 or +1.6 (*2) -0.3 RBIAS2+0.3 or +1.6 (*2)
120
Operating Ambient Temperature
Topr
-40 +85
Storage Temperature
Tstg
-55 +125
* All voltages are described based on the VSS1 and VSS2 pin.
VSS1 pin and VSS2 pin should be connected each other outside. (*1) The maximum value should be either VDD+0.3V or +4.0V in the lowest. (*2) The maximum value should be either RBIAS2+0.3V or +1.6V in the lowest.
Ta=25
UNITS V V mA V V
dBm V V
mW
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■ELECTRICAL CHARACTERISTICS
XC2408A816UR-G
DC Characteristics
PARAMETER
SYMBOL
Power Supply Voltage
VDD
Current Circuit Stand-by Current CE "H" Level Voltage CE "L" Level Voltage
IDD ISTBY VCEH VCEL
CONDITIONS
RBIAS=360Ω (*2)
RBIAS=270Ω (*2)
RBIAS=240Ω (*2)
RBIAS=92Ω (*2) 1.71V VDD 3.63V (*1)
VCE=VDD 1.71V VDD 3.63V (*1)
VCE=0V 1.71V VDD 3.15V
3.15V