SN761633 Datasheet, PDF (1/27 Pages) Texas Instruments – FM STEREO RADIO WITH TRANSMITTER

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SN761633
FM STEREO RADIO
WITH TRANSMITTER
SLES210 – OCTOBER 2007
FEATURES
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• Single-Chip FM Stereo Radio and Transmitter
• FM Stereo MPX [Receive (Rx), Transmit (Tx)]
• Frequency Range 76 MHz to 108 MHz (Rx, Tx)
• Low Supply Current
– Rx: 11.5 mA (V_CC = 3 V, No RF Input)
– Tx: 13 mA (V_CC = 3 V, No Audio Input,
RTX = Open)
• 32.768-kHz Crystal
• I²C Interface
• MPX Output for RDS (Rx)
• Seek Tuning (Rx)
• RFAGC (Rx)
• RF Auto-Power Control (Tx)
• Pilot Cancel (Rx)
• Sixth-Order 15-kHz LPF (Tx)
• Programmable De/Pre-Emphasis (50/75 μs)
• Pilot Out (Tx)
• General-Purpose External Input (Tx)
• High Power Selectable RF Output (Tx)
–7/–3/1/4 dBm
• High Cut Control (HCC), Stereo Noise Control
(SNC) (Rx)
• Soft Mute (Rx)
• V_CC = 2.5 V to 4 V
• 40-Pin QFN Package
APPLICATIONS
• Portable Media Players
• MP3 Players
• Personal Navigation Devices
RTA PACKAGE
(TOP VIEW)
VCC OSC
STBY
SDA
SCL
VCC D
GND D
PORT2
PORT1
XTAL2
XTAL1
40 39 38 37 36 35 34 33 32 31
1
30
2
29
3
28
4
27
5
26
6
25
7
24
8
23
9
22
10
21
11 12 13 14 15 16 17 18 19 20
RF IN2
VCC RF
MPX FIL
RSSI
IREF FIL
REG
MPX REF
PLT FIL
PLT DET1
PLT DET2
NC – No internal connection
DESCRIPTION
The SN761633 is an FM radio receiver and transmitter IC for portable audio players.
The circuit consists of a stereo FM radio receiver and FM transmitter, and is available in a small-outline package.
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2007, Texas Instruments Incorporated