TEF6721HL/V1 NXP Semiconductors, TEF6721HL/V1 Datasheet - Page 28

• 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
12.2.6
Table 15 Format of data byte 4
Table 16 Description of data byte 4 bits
Table 17 Setting of wideband AGC for AM (m = 0.3)
Table 18 Setting of wideband AGC for FM
2003 Oct 21
Car radio tuner front-end for digital IF
6 and 5
KAGC
BIT 7
BIT
7
4
3
2
1
0
W
RITE MODE
AGC1
AGC1
0
0
1
1
1
1
0
0
SYMBOL
MIXGAIN
AGC[1:0]
AGCSW
FMINJ
KAGC
AGC1
LODX
BIT 6
:
DATA BYTE
Keyed FM AGC. If KAGC = 0, then keyed FM AGC is off. If KAGC = 1, then keyed
FM AGC is on.
Wideband AGC. These 2 bits set the start value of wideband AGC. For AM, see
Table 17 and for FM, see Table 18.
Local or distance. If LODX = 0, then distance mode is on. If LODX = 1, then local
mode is on.
FM mixer image rejection. If FMINJ = 0, then low injection. If FMINJ = 1, then high
injection.
This bit is not used and should be set to logic 0.
AGC switch. If AGCSW = 0, then AM AGC in FM mode and FM AGC in AM mode is off.
If AGCSW = 1, then AM AGC PIN diode drive is active in FM mode and FM AGC PIN
diode drive is active in AM mode.
FM mixer gain. If MIXGAIN = 0, then the FM mixer gain is nominal. If MIXGAIN = 1,
then the FM mixer gain is +6 dB.
4
AGC0
BIT 5
AGC0
AGC0
0
1
0
1
1
0
1
0
LODX
BIT 4
28
FMINJ
BIT 3
FM RF MIXER INPUT VOLTAGE (RMS VALUE)
AM MIXER INPUT VOLTAGE (PEAK VALUE)
DESCRIPTION
BIT 2
(mV)
(mV)
275
375
500
625
12
16
20
8
AGCSW
BIT 1
Preliminary specification
TEF6721HL
MIXGAIN
BIT 0