SI47951A2GE1GMR

Automotive Radio Tuner

The SI47951A2GE1GMR is a automotive radio tuner from Skyworks Solutions. View the full SI47951A2GE1GMR datasheet below including key specifications.

SI47951A2GE1GMR shares its datasheet with SI47951A2GE2AM, whose page lists every part number it covers.

Official SI47951A2GE1GMR datasheet (PDF) — the source this page was extracted from.

Manufacturer

Skyworks Solutions

SI47951A2GE1GMR Key Specifications

Parameter	Value
Antenna Connector	Not Included
Data Interface	I2C, SPI
Frequency	144kHz ~ 288kHz, 520kHz ~ 1.71MHz, 2.3MHz ~ 30MHz, 64MHz ~ 108MHz
Grade	Automotive
Modulation or Protocol	AM, FM, SW-LW, RBDS/RDS
Mounting Type	Surface Mount
Package / Case	56-VFQFN Exposed Pad
Supplier Device Package	56-QFN (8x8)
Supply Voltage	1.8V, 3.3V

SI47951A2GE1GMR Overview

Part: Si47951/52 — Skyworks Solutions, Inc.

Type: Automotive AM/FM Radio Receiver and Digital Radio Tuner

Description: Highly integrated automotive broadcast radio tuner supporting AM/FM, LW, SW, NOAA, and digital radio standards (HD Radio, DAB/DAB+/DMB, DRM) with digital I/Q interfaces and integrated audio outputs.

Operating Conditions:

Analog power supply: 3.3 V
Digital power supply: 1.8 V
Digital I/O power supply: 1.8 V or 3.3 V

Key Specs:

FM frequency range: 64–108 MHz
AM frequency range: 520–1710 kHz
LW frequency range: 144–288 kHz
SW frequency range: 2.3–30 MHz
DAB/DAB+/DMB frequency range (Si47952 only): 170–240 MHz (Band III)
Analog audio outputs: 2 channels
Digital audio ports: 2 (I2S)

Features:

On-chip soft-decision RDS/RDBS demodulator/decoder
Integrated active AM/FM and Band III buffers
Fully integrated AGC
Digital I/Q interface to HD Radio, DRM, and DAB/DAB+/DMB processors
DRM30/DRM+ detect and support (Si47952 only)
Integrated clock oscillator
Fast FM HD Radio and DAB/DAB+/DMB band scan
AEC-Q100 qualified (A-grade parts)

Applications:

OEM automotive infotainment systems
Aftermarket car radio systems

Package:

56-pin QFN (8 × 8 × 0.85 mm, 0.5 mm pitch)

SI47951A2GE1GMR 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)

SI47951A2GE1GMR Applications

OEM automotive infotainment systems
Aftermarket car radio systems

SI47951A2GE1GMR Pin Configuration

Figure 1.1. Si47951-52 Pinout Diagram

SI47951A2GE1GMR Package Information

Figure 2.2. 56-Pin QFN

Table 2.1. Package Dimensions

Dimensions	Min	Nom	Max
A	0.80	0.85	0.90
A1	0.00	0.035	0.05
b	0.20	0.25	0.30
A3	0.203 REF	0.203 REF	0.203 REF
D	8.00 BSC	8.00 BSC	8.00 BSC
e	0.5 BSC	0.5 BSC	0.5 BSC
E	8.00 BSC.	8.00 BSC.	8.00 BSC.
D2	6.30	6.40	6.50
E2	6.30	6.40	6.50
L	0.35	0.40	0.45
K	0.20	-	-
aaa	0.10	0.10	0.10
bbb	0.10	0.10	0.10
ccc	0.08	0.08	0.08
ddd	0.10	0.10	0.10
eee	0.10	0.10	0.10

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part Number	Manufacturer	Package
SI47951A2GE1AM	Skyworks Solutions	56-VFQFN Exposed Pad
SI47951A2GE1AMR	Skyworks Solutions	56-VFQFN Exposed Pad
SI47951A2GE1GM	Skyworks Solutions	56-VFQFN Exposed Pad
SI47951A2GE2AM	Skyworks Solutions	56-VFQFN Exposed Pad
SI47951A2GE2AMR	Skyworks Solutions	56-VFQFN Exposed Pad
SI47952	Skyworks Solutions	QFN-56 8x8mm

More datasheets

All Skyworks Solutions datasheets (33)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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