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SI47951A2GE2AM

The SI47951A2GE2AM is an electronic component from Skyworks Solutions. View the full SI47951A2GE2AM datasheet below including key specifications, pinout.

Manufacturer

Skyworks Solutions

Category

RF Receivers, Transceivers

Package

56-VFQFN Exposed Pad

Lifecycle

Active

Key Specifications

ParameterValue
Antenna ConnectorNot Included
Antenna ConnectorNot Included
Antenna ConnectorNot Included
ApplicationsAM/FM Radio Receiver
Data InterfaceI2C, I2S, SPI
FeaturesAutomatic Tuning
FeaturesAutomatic Tuning
FeaturesAutomatic Tuning
Frequency144kHz ~ 288kHz, 520kHz ~ 1.71MHz, 2.3MHz ~ 30MHz, 64MHz ~ 108MHz, 170MHz ~ 240MHz
Modulation or ProtocolAM, FM, RDS, SW-LW
Modulation or ProtocolAM, FM, RDS, SW-LW
Modulation or ProtocolAM, FM, RDS, SW-LW
Mounting TypeSurface Mount
Package / Case56-VFQFN Exposed Pad
Supplier Device Package56-QFN (8x8)
Supplier Device Package56-QFN (8x8)
Supplier Device Package56-QFN (8x8)
Supply Voltage1.8V, 3.3V

Overview

Figure 1.1. Si47951-52 Pinout Diagram

2

Features

  • Worldwide FM band support (64-108 MHz)
  • Worldwide AM band support (520-1710 kHz)
  • LW band support (144-288 kHz)
  • DAB/DAB+/DMB support (Si47952 only) (170-240 MHz)
  • SW band support (2.3-30 MHz)
  • NOAA Weather band support
  • On-chip soft-decision RDS/RDBS demodulator/decoder
  • AM/FM
  • Comprehensive AM/FM signal processing firmware
  • Integrated active AM/FM buffers
  • Fully integrated AGC
  • HD Radio
  • Digital I/Q interface to HD Radio Processor
  • Fast FM HD Radio band scan
  • DRM30/DRM+ (Si47952 only)
  • DRM detect
  • Digital I/Q interface to DRM processor
  • Fully integrated AGC
  • DAB/DAB+/DMB (Si47952 only)
  • Digital I/Q interface to DAB/DAB+/DMB processor
  • Integrated active Band III buffer
  • Fast DAB/DAB+/DMB band scan
  • Fully integrated AGC for Band III
  • Two analog audio outputs
  • Two digital audio ports (I 2 S)
  • Integrated clock oscillator
  • 1.8 V or 3.3 V digital IO power supplies
  • 3.3 V analog power supply and 1.8 V digital power supply
  • QFN 56-pin, 8x8x0.85 mm
  • Pb-free/RoHS compliant
  • AEC-Q100 qualified (A-grade parts)

Applications

  • OEM automotive infotainment systems
  • Aftermarket car radio systems

1

Pin Configuration

SI47951A2GE2AM — 56-VFQFN Exposed Pad

PinNameTypeDescription
1XTALOICrystal Oscillator Output
2XTALIICrystal Oscillator Input
3DACREFPDAC Reference
4N/C—No Connect
5B3A/WXII/OGPIO / Wake-up Input
6N/C—No Connect
7FMBI/OGPIO
8AMOOAudio Output
9AMIIAudio Input
10AMVAGPAudio Analog Ground
11LTBI/OGPIO
12LTAI/OGPIO
13ABYP2PAnalog Bypass
14VA2PAnalog Supply
15RSTBIReset (Active Low)
16SMODEISerial Mode Select
17NVMOSII/ONVM SPI MOSI
18NVMOSOI/ONVM SPI MISO
19NVSSKINVM SPI Slave Select
20NVSCKINVM SPI Clock
21INTBI/OInterrupt (Active Low)
22MISOA0I/OSPI MISO / Address 0
23MOISDAI/OSPI MOSI / SDA
24SCLKSOLI/OSPI Clock / SCL
25SFSDA1I/OSPI Frame Select / SDA
26VIO1PDigital I/O Supply
27VNPGround
28DBGPODebug Port (Positive)
29VIO2PDigital I/O Supply
30N/C—No Connect
31N/C—No Connect
32ZIFFSI/OZIF Frame Select
33ZIFQ0I/OZIF Q0
34ZIFCLKI/OZIF Clock
35ZIFI0I/OZIF I0
36ISFSNI/OISF Serial Number
37ISFSPI/OISF Serial Port
38DEBUGNODebug Port (Negative)
39DEBUGPODebug Port (Positive)
40N/C—No Connect
41DFS0I/ODigital Function Select 0
42DCLK0I/ODigital Clock 0
43DOUTODigital Output
44DSGPPDigital Supply Ground
45GP2I/OGeneral Purpose 2
46DNGPODigital Negative Ground
47DNDODigital Negative Drain
48DLKOODigital Link Output
49DLKSOODigital Link Serial Output
50DLKSOODigital Link Serial Output
51ICNIInterconnect
52ICPIInterconnect
53AOUTI/OAnalog Output
54NNC—No Connect
55NNC—No Connect
56CLKOOClock Output
EPExposed PadPGround (Thermal)

Notes

  • Pin diagram shows a 56-pin VFQFN package with exposed thermal pad (EP).
  • Multiple N/C (No Connect) pins: 4, 6, 31, 40.
  • Power pins: VA2 (14), AMVAG (10), VIO1 (26), VIO2 (29), DSGP (44).
  • Ground pins: VN (27), DNGP (46), DND (47), plus Exposed Pad.
  • SPI interface pins: MISOA0 (22), MOISDA (23), SCLKSOL (24), SFSDA1 (25).
  • NVM SPI interface: NVMOSI (17), NVMOSO (18), NVSSK (19), NVSCK (20).
  • ZIF interface: ZIFFS (32), ZIFQ0 (33), ZIFCLK (34), ZIFI0 (35).
  • Debug/ISF interface: DEBUGP (39), DEBUGN (38), ISFSP (37), ISFSN (36).
  • Crystal oscillator: XTALO (1), XTALI (2).

Package Information

Figure 2.2. 56-Pin QFN

3

4

Table 2.1. Package Dimensions

DimensionsMinNomMax
A0.800.850.90
A10.000.0350.05
b0.200.250.30
A30.203 REF0.203 REF0.203 REF
D8.00 BSC8.00 BSC8.00 BSC
e0.5 BSC0.5 BSC0.5 BSC
E8.00 BSC.8.00 BSC.8.00 BSC.
D26.306.406.50
E26.306.406.50
L0.350.400.45
K0.20--
aaa0.100.100.10
bbb0.100.100.10
ccc0.080.080.08
ddd0.100.100.10
eee0.100.100.10

Related Variants

The following components are covered by the same datasheet.

Part NumberManufacturerPackage
SI47951A2GE1AMSkyworks Solutions Inc.56-VFQFN Exposed Pad
SI47951A2GE1AMRSkyworks Solutions56-VFQFN Exposed Pad
SI47951A2GE1GMSkyworks Solutions Inc.56-VFQFN Exposed Pad
SI47951A2GE1GMRSkyworks Solutions56-VFQFN Exposed Pad
SI47951A2GE2AMRSkyworks Solutions56-VFQFN Exposed Pad
SI47952Skyworks Solutions—
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