BGA7351

50 MHz to 250 MHz high linearity Si variable gain amplifier; 28 dB gain range


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The BGA7351 MMIC is a dual independently digitally controlled IF Variable Gain Amplifier (VGA) operating from 50 MHz to 250 MHz. Each IF VGA amplifies with a gain range of 28 dB and at its maximum gain setting delivers 17 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 ±0.4 dB. Moreover it meets the demanding phase error requirements for GSM, BGA7351 has less than ±0.5° between two consecutive gain steps. The gain controls of each amplifier are separate digital gain-control word, which is provided externally through two sets of 5 bits.

Features and benefits

  • 17 dBm output power at 1 dB gain compression
  • 22 dB power gain
  • 45 dBm third order intercept point
  • 50 MHz to 250 MHz frequency operating range
  • 5 V single supply operation with power-down control
  • Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances
  • Dual independent digitally controlled 28 dB gain range VGAs (5-bit control)
  • ESD protection on all pins
  • Excellent differential integrated gain and phase error
  • Fast gain stage switching capability
  • Gain step size: 1 dB ± 0.1 dB
  • Logic-level shutdown control pin reduces supply current
  • Moisture sensitivity level 1
  • Unconditionally stable

Applications

  • GSM / W-CDMA / WiMAX / LTE base-station infrastructure / multi carrier systems
  • Multi channel receivers
All information on this product information page is subject to the subsequent disclaimers:
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Parametrics of this product

SymbolParameterConditionsMinTyp/NomMaxUnit
Dynamic characteristics: (EN = HIGH; BEN = HIGH (VGA enabled). Typical values at VCC = 5 V; ICC = 245 mA; f = 172 MHz; B = 28 MHz; Tcase = 25°C; Differential input impedance matched to 140 Ω; Differential output impedance matched to 200 Ω; unless otherwise specified)
Gppower gainf = 192 MHz; VCC = 5 V; B = 60 MHz; maximum attenuation [0] [1]-7.5-6-4dB
Gppower gainf = 192 MHz; VCC = 5 V; B = 60 MHz; minimum attenuation [1] [2]202224dB
NFnoise figureminimum attenuation [2]68dB
NFnoise figuremaximum attenuation28.4dB
frangefrequency range50250MHz
Grangegain range28dB
Static characteristics (AEN = HIGH; BEN = HIGH (both channels enabled). Typical values at VCC = 5 V; Tcase = 25 °C; unless otherwise specified)
ICCsupply currentEnable = 1245280mA

Similar products

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
BGA7351BGA7351,5159352 952 45515Volume productionSOT617-1
(HVQFN32) 		Reel Dry Pack, 7"Standard Marking

The variants in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
BGA7351BGA7351,1159352 952 45115Withdrawn
Replacement product		SOT617-1
(HVQFN32) 		Reel Pack, SMD, 7"Standard Marking

Pinning information

PinSymbolDescriptionSimplified outlineGraphic symbol
1A_D2MSB − 2 for gain control interface of channel ASOT617-1 (HVQFN32)SOT617-3 (HVQFN32)
2A_D3MSB − 1 for gain control interface of channel A
3A_D4MSB for gain control interface of channel A
4n.c.not connected
5n.c.not connected
6B_D4MSB for gain control interface of channel B
7B_D3Set SPI mode
8B_D2power down RF section
9B_D1LSB + 1 for gain control interface of channel B
10B_D0LSB for gain control interface of channel B
11B_IN_Pchannel B positive input
12B_IN_Nchannel B negative input
13GNDBground for channel B
14VCCBsupply voltage for channel B
15B_OUT_Pchannel B positive output
16B_OUT_Nchannel B negative output
17B_OUT_Pchannel B positive output
18B_OUT_NAttenuation control word
19B_ENAttenuation control word
20GNDBAttenuation control word
21GNDAAttenuation control word
22A_ENAttenuation control word
23A_OUT_NAttenuation control word
24A_OUT_PSet digital gain control mode
25A_OUT_Nchannel A negative output
26A_OUT_Pchannel A positive output
27VCCALatch enable or slave select
28GNDAground for channel A
29A_IN_Nchannel A negative input
30A_IN_Pchannel A positive input
31A_D0LSB for gain control interface of channel A
32A_D1LSB + 1 for gain control interface of channel A
GNDGND paddleRF ground and DC ground

Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
BGA7351935295245115DN

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
BGA7351BGA7351,515BGA7351Always Pb-free22

The variants in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
BGA7351BGA7351,115BGA7351Always Pb-free11
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Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
BGA7351935295245115DN

Documentation for this product

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
BGA73519352 952 45515BGA7351,515       

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