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NXP Semiconductors Electronic Components Datasheet

TEF6688HN Datasheet

Low IF tuner high performance one-chip

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TEF6688HN pdf
TEF668X
Low IF tuner high performance one-chip
Rev. 1 — 30 July 2013
Product short data sheet
1. General description
The Low IF Tuner HIgh performance One chips, TEF6686 and TEF6688, are single-chip
radio ICs including an AM/FM radio tuner and software-defined radio signal processing.
They extend NXP Semiconductors’ broad, industry-proven car radio single tuner portfolio,
offering outstanding radio performance with the widest range of features and state of the
art software algorithms at most optimized system costs.
Both devices are available in HVQFN packages occupying the smallest PCB space and
are suitable for dual- and multi-layer PCBs. The radio receiver includes highest feature
sets, the FM/AM front-ends, tuning synthesizer, channel filtering, FM Channel
Equalization, FM multipath improvement, demodulation, FM stereo decoding, weak signal
processing, noise blanking and RDS and provides an interface to a DARC
demodulator/decoder.
The TEF6686 and TEF6688 can provide stereo audio in digital format on the I²S outputs
and on the audio DAC outputs. The TEF6688 supports the digital radio standards HD
Radio and Digital Radio Mondiale (DRM) digital radio when used with NXP
Semiconductors’ digital radio coprocessors such as SAF356X and SAF360X.
2. Features and benefits
Alignment free digital receiver including tuner and software-defined radio processing
Command based high-level user interface combining high control flexibility with ease
of control
Read information with device and tuning status, reception quality and RDS data
FM receiver with a tuning range of 65 MHz to 108 MHz covering Eastern Europe
(OIRT), Japan, Europe and US bands
AM receiver covering LW, MW and full SW
Fully integrated tuning system with low phase noise and fast tuning
FM LNA with AGC
State-of-the art FM Improved Multipath Suppression
FM Channel Equalization
Soft Mute on Modulation
Stereo High Blend
FM mixer for frequency conversion to a low IF complex signal (AM SW)
AM LNA with AGC, matching active and passive antenna applications
AM mixer for frequency conversion to a low IF complex signal


NXP Semiconductors Electronic Components Datasheet

TEF6688HN Datasheet

Low IF tuner high performance one-chip

No Preview Available !

TEF6688HN pdf
NXP Semiconductors
TEF668X
Low IF tuner high performance one-chip
High dynamic range Sigma Delta IF ADC
Digital IF signal processing including decimation, shift to baseband, AGC control, I/Q
correction, variable IF bandwidth filtering (PACS) and demodulation
FM stereo decoding
TEF6688 baseband I2S output supporting HD Radio and DRM1 with external digital
radio coprocessor (SAF356X or SAF360X)
Blending function for HD Radio reception (TEF6688)
AM and FM noise blanking, Signal quality detection and weak signal processing
Advanced RDS and RBDS demodulation and decoding
MPX output supporting DARC demodulator
One I2S input and one I2S output
Two mono audio DACs
Single 3.3 V supply voltage
Fast mode I2C-bus (400 kHz)
Configurable GPIO pins for RDS, Quality Status Interrupt and generic I2C-bus
controlled I/O
Qualified in accordance with AEC-Q100
3. Applications
The TEF668X is a single tuner AM/FM receiver for automotive applications and supports
analog AM/FM and HD/DRM reception (HD/DRM is supported in TEF6688 only).
Additionally, due to a common technology platform, the TEF668X can be combined with
TEF701X, SAF775X and SAF360X for optimal system application through common
crystal oscillator sharing.
4. Quick reference data
Table 1. Quick reference data
Symbol
Parameter
Conditions
Supply voltage
VDDA(RF)(3V3)
VDDA(IF)(3V3)
RF analog supply voltage (3.3 V) on pin VDDA_RF
IF analog supply voltage (3.3 V) on pin
VDDA_IFADC
VDDD(3V3)
digital supply voltage (3.3 V)
on pin
VDD_DIGITAL
Current in FM mode
IDDA(RF)
IDDA(IFADC)
RF analog supply current
IF ADC analog supply current
on pin VDDA_RF
on pin
VDDA_IFADC
IDDD
digital supply current
Current in AM - MW/LW mode
on pin VDDD
IDDA(RF)
RF analog supply current
on pin VDDA_RF
Min Typ Max Unit
3.0 3.3 3.5 V
3.0 3.3 3.5 V
3.0 3.3 3.5 V
33 37 42 mA
81 94 110 mA
37 38 48 mA
34 40 48 mA
1. DRM includes DRM30 and DRM+ (band and )
TEF668X_SDS
Product short data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 30 July 2013
© NXP B.V. 2013. All rights reserved.
2 of 8


Part Number TEF6688HN
Description Low IF tuner high performance one-chip
Maker NXP
Total Page 8 Pages
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