QN8007LB Datasheet PDF - Quintic

Part Number QN8007LB
Description High Performance Digital FM Transmitter
Manufacturers Quintic 
Logo Quintic Logo 

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High Performance Digital FM Transmitter for Portable Devices
____________________________ General Description ________________________
The QN8007 is a high performance, low power, full-featured single-chip stereo FM transmitter designed for portable
audio/video players, automotive accessories, cell phones, and GPS personal navigation devices. It integrates transmitting
functions, clear channel scan, and antenna tuning to ease matching in real applications. Advanced digital architecture
enables variable input gain programming; selectable pre-emphasis, precision low-spur MPX stereo encoding and pilot tone
generation, low-noise PLL-based modulation, and an on-chip power amplifier with variable output level and RF band-pass
filtering to ensure optimum transmit spectrum purity.
With its small footprint, minimal external component count and multiple clock frequency support, the QN8007 is easy to
integrate into a variety of small form-factor low power portable applications. An integrated voltage regulator enables direct
connection to a battery and provides high PSRR for superior noise suppression. A low-power Standby mode extends battery
life. ESD protection is on all pins. The QN8007 is fabricated in highly reliable CMOS technology.
_____________________________ Key Features _____________________________
Worldwide FM Band Transmit
76 MHz to 108 MHz full band tuning in
50/100/200 kHz step sizes
50/75s pre-emphasis
High Performance FM Transmitter (FMT)
66dB Stereo SNR, 0.03% THD
Maximum 121dBµV RF output level with 42dB
adjustable range
Integrated Clear Channel Scan
RDS/RBDS Transmit
Supports US and European data service,
including TMC (Traffic Messaging Channel)
(not available in QN8007L)
Flexible Audio Interfaces
Digital audio interface supports I2S and a variety
of PCM data formats with 4 different data rates
Programmable analog audio input/output
Integrated audio AGC and soft clipping
Very Low Power Consumption
9.2 mA
Integrated voltage regulator, direct connect to battery
Power saving idle and standby modes
Low shutdown leakage current
Ease of Integration
Small footprint, 4 x 4 x 0.85mm QFN24
Only 2 external passive components required
Adaptive antenna tuning
Low cellular and GPS band spurs
High Immunity to TDMA (GSM/GPRS) burst noise
Multiple crystal frequencies supported
2-wire and 3-wire control interfaces
Robust Operation
-250C to +850C operation
ESD protection on all input and output pads
_____________________________ Typical Applications __________________________
Cell Phones / PDAs / Smart Phones
Portable Audio & Media Players
GPS Personal Navigation Devices
Automotive and Accessories
Rev 2.09 (11/09)
Confidential A
Copyright ©2009 by Quintic Corporation
Confidential Information contained herein is covered under Non-Disclosure Agreement (NDA).
Page 1

QN8007LB equivalent
(Top View)
N/C 1
N/C 2
Exposed Pad
Pin 25
- far side -
18 XTAL2
17 XTAL1
15 WS
14 INT
13 MCK
Figure 2: QN8007B Device Pin Out
Rev 2.09 (11/09)
Confidential A
Copyright ©2009 by Quintic Corporation
Page 5
Confidential Information contained herein is covered under Non-Disclosure Agreement (NDA).


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