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BGA7351 Datasheet

high linearity Si variable gain amplifier

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BGA7351
50 MHz to 500 MHz high linearity Si variable gain amplifier;
28 dB gain range
Rev. 3 — 11 June 2014
Product data sheet
1. Product profile
1.1 General description
The BGA7351 MMIC is a dual independently digitally controlled IF Variable Gain
Amplifier (VGA) operating from 50 MHz to 500 MHz. Each IF VGA amplifies with a gain
range of 28 dB and at its maximum gain setting delivers 16.5 dBm output power at 1 dB
gain compression and a superior linear performance.
The BGA7351 Dual IF VGA is optimized for a differential gain error of less than 0.1 dB
for accurate gain control and has a total integrated gain error of less than 0.3 dB.
Moreover it meets the demanding phase error requirements for GSM. BGA7351 has less
than 3.0phase error over the full gain range of 28 dB.
The gain controls of each amplifier are separate digital gain-control word, which is
provided externally through two sets of 5 bits.
The BGA7351 is housed in a 32 pins 5 mm 5 mm leadless HVQFN32 package.
1.2 Features and benefits
Dual independent digitally controlled 28 dB gain range VGAs, with 5-bit control
interface
50 MHz to 500 MHz frequency operating range
Gain step size: 1 dB 0.1 dB
22 dB power gain
Fast gain stage switching capability
16.5 dBm output power at 1 dB gain compression
46 dBm third order intercept point
Constant third order intercept point over output power
85 dBc second harmonic level
Excellent noise figure of 6 dB
5 V single supply operation with power-down control
Logic-level shutdown control pin reduces supply current
Excellent ESD protection at all pins
Moisture sensitivity level 1
Unconditionally stable
Excellent differential integrated gain and phase error
Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances
(RoHS)


NXP Semiconductors Electronic Components Datasheet

BGA7351 Datasheet

high linearity Si variable gain amplifier

No Preview Available !

NXP Semiconductors
BGA7351
50 MHz to 500 MHz high linearity Si variable gain amplifier
1.3 Applications
Compatible with GSM / W-CDMA / WiMAX / LTE base-station infrastructure / multi
carrier systems
Multi channel receivers
General use for ADC driver applications
1.4 Quick reference data
Table 1. Quick reference data
A_EN = "1"; B_EN = "1" (VGA enabled). Typical values at VCC = 5 V; ICC = 280 mA;
Tuned for fIF = 172 MHz; B = 60 MHz; Tcase = 25 C; Differential input resistance matched to 150 ;
Differential output resistance matched to 200 ; unless otherwise specified; see Section 11
“Application information”.
Symbol Parameter
Conditions
Min Typ Max Unit
VCC
supply voltage
ICC
supply current
VCC(A) + VCC(B)
ICC(A) + ICC(B)
A_EN = "0"; B_EN = "0"
4.75 5 5.25 V
- 3 5 mA
A_EN = "1"; B_EN = "1"
- 280 300 mA
Gp
power gain
maximum gain
minimum gain
[1] 21 22 23 dB
[2] 7 6 5 dB
Ri(dif)
differential input
resistance
120 150 180
Ro(dif)
differential output
resistance
140 180 220
NF
noise figure
maximum gain
[1]
-
6
7 dB
increased rate per gain step
- 0.8 1 dB
IP3O
output third-order
intercept point
gain step 14
[3][4] -
46 -
dBm
PL(1dB)
output power at 1 dB
gain compression
upper 5 gain steps
[1][5] -
16.5 -
dBm
2H
EG(dif)
E(dif)
second harmonic level
differential gain error
differential phase error
gain step 14
upper 12 dB gain range
per gain step (for all
consecutive gain steps)
[4][6] -
85 -
dBc
- 0.1 - dB
- 1.0 - deg
- 0.5 - deg
[1] Maximum gain; gain code = 00000.
[2] Minimum gain; gain code = 11100.
[3] PL = 2 dBm per tone; spacing = 2 MHz (f1 = 171 MHz; f2 = 173 MHz)
[4] Gain code = 01110.
[5] Gain code = 00000, 00001, 00010, 00011, 00100.
[6] PL = 2 dBm one tone (f = 86 MHz; fmeas = 172 MHz)
BGA7351
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 11 June 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
2 of 28


Part Number BGA7351
Description high linearity Si variable gain amplifier
Maker NXP
Total Page 3 Pages
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