TEF6721HL/V1 NXP Semiconductors, TEF6721HL/V1 Datasheet - Page 3

• Manufacturer Part Number: TEF6721HL/V1
• Description: Tuners DIGITAL IF TUNER IC
• Manufacturer: NXP Semiconductors

Specifications of TEF6721HL/V1

• Bus Type: I2C
• Maximum Frequency: 9.99 MHz, 108 MHz
• Minimum Frequency: 5.73 MHz, 64 MHz
• Modulation Technique: AM, FM
• Mounting Style: SMD/SMT
• Package / Case: LQFP-64
• Function: Radio
• Noise Figure: 4.5 dB, 8.5 dB
• Operating Supply Voltage: 8.5 V
• Supply Voltage (min): 8 V
• Supply Voltage (max): 9 V
• Minimum Operating Temperature: - 40 C
• Maximum Operating Temperature: + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: TEF6721HL/V1,557

Philips Semiconductors
1
3
2003 Oct 21
TYPE NUMBER
TEF6721HL
FM mixer for conversion of FM RF (64 to 108 MHz and
US weather band) to IF of 10.7 MHz; the mixer provides
inherent image rejection and can be switched from ‘low’
injection to ‘high’ injection Local Oscillator (LO) via the
I
selected via the I
AGC PIN diode drive circuit for FM RF AGC; AGC
detection at FM mixer input and IF AGC amplifier input;
AGC threshold for detection at FM mixer input is a
programmable and keyed function switchable via the
I
the I
AM mode the AGC PIN diode drive can be activated via
the I
Digital alignment circuit for bus controlled matching of
oscillator tuning voltage to FM antenna tank circuit
tuning voltage
Buffer output for weather band flag
Combined AM and FM IF AGC amplifier with high
dynamic input range; one of the four gain settings is
selected automatically via two control signals from
IF DSP; combined differential AM and FM IF output
signal to analog-to-digital converter of IF DSP
AM mixer for conversion of AM RF to AM IF 10.7 MHz
AM RF PIN diode drive circuit and RF JFET
conductance control by AGC cascode drive circuit; AGC
threshold detection at AM mixer and IF AGC input;
threshold for detection at AM mixer is programmable via
the I
AM and FM RF AGC monitor output intended for gain
control of active antennas
LC tuner oscillator providing mixer frequencies for FM
and AM mixers
Car radio tuner front-end for digital IF
2
2
C-bus; two different mixer conversion gains can be
C-bus; the AGC PIN diode drive can be activated via
FEATURES
ORDERING INFORMATION
2
2
2
C-bus as a local function for search tuning; in
C-bus if required
C-bus
2
C-bus
LQFP64
NAME
plastic low profile quad flat package; 64 leads; body 10
3
DESCRIPTION
2
The TEF6721HL is a single chip car radio tuner for AM,
FM standard, FM IBOC DAB and weather band providing
combined AM and FM gain controlled differential IF output
for the SAF7730H including the following functions:
PACKAGE
Crystal oscillator providing reference frequencies for
synthesizer PLL and timing for Alternate Frequency (AF)
updating
Optional crystal oscillator frequency pulling possibility
via I
Fast synthesizer PLL tuning system with local control for
inaudible AF updating
Timing function for AF updating algorithm and control
signal output for interfacing with IF DSP
Three hardware programmable I
BUSENABLE; two software controlled flag outputs
Several test modes for fast IC tests.
AM upconversion tuner to an IF frequency of 10.7 MHz
for LW/MW/SW (31 m, 41 m and 49 m bands)
FM single conversion tuner to an IF frequency of
10.7 MHz with integrated image rejection for US FM,
Europe FM, Japan FM, East Europe FM and weather
band reception; all bands can be selected using high
side or low side Local Oscillator (LO) injection
Tuning system includes VCO, crystal oscillator and
PLL synthesizer on one chip.
GENERAL DESCRIPTION
2
C-bus
10
Preliminary specification
1.4 mm
2
C-bus addresses; pin
TEF6721HL
VERSION
SOT314-2