TDA18271HD/C2-T NXP Semiconductors, TDA18271HD/C2-T Datasheet - Page 34

• Manufacturer Part Number: TDA18271HD/C2-T
• Description: Tuners HYBRIDE
• Manufacturer: NXP Semiconductors

Specifications of TDA18271HD/C2-T

• Bus Type: I2C
• Maximum Agc: 71 dB
• Maximum Frequency: 864 MHz
• Minimum Frequency: 45 MHz
• Mounting Style: SMD/SMT
• Package / Case: HLQFN-64
• Function: TV
• Noise Figure: 5.5 dB
• Operating Supply Voltage: 3.3 V
• Supply Voltage (min): 3.13 V
• Supply Voltage (max): 3.47 V
• Minimum Operating Temperature: 0 C
• Maximum Operating Temperature: + 70 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: TDA18271HD/C2,518

NXP Semiconductors
TDA18271HD_4
Product data sheet
Fig 14. Flowchart TDA18271CalibrateRF
BP_FILTER_map
KM_map
GAIN_TAPER_map
freq_input
MS
freq_input
freq_input + 1 MHz
Actions
Normal mode
Switch OFF AGC1
Set AGC1_GAIN to 15 dB
Frequency dependent parameters update
Find BP_FILTER = f
Find GAIN_TAPER = f
Find RF_BAND = f
Find RFC_K, RFC_M = f
Tuner registers update
MAIN PLL charge pump source
CAL PLL charge pump source
Force DC-DC converter to 0 V
Disable PLLs lock
RF tracking filters calibration mode
Tuner registers update
Set the internal calibration signal
Call TDA18271CalcCALPLL
Downconvert the calibration signal to 1 MHz
Call TDA18271CalcMAINPLL
Wait 5 ms
Internal synchronization
Normal operation for the MAIN PLL charge pump
Normal operation for the CAL PLL charge pump
Wait 10 ms - PLLs locking
Launch the RF Tracking filters calibration
Wait 60 ms - calibration ongoing
Normal mode
Switch ON AGC1
Set AGC1_GAIN to 6 dB
Tuner registers update
Synchronization
Get the calibration result
Call TDA18271ReadExtended
Start TDA18271CalibrateRF
End TDA18271CalibrateRF
RF(max)
RF(max)
RF(max)
RF(max)
in RF_BAND_map (MS)
in BP_FILTER_map
Rev. 04 — 19 May 2009
in GAIN_TAPER_map
in KM_map
Internal table
CAL_MODE = 0
SM_LT = 1
AGC1_GAIN = 3h
BP_FILTER = BP_FILTER
GAIN_TAPER = GAIN_TAPER
RF_BAND = RF_BAND
RFC_K = RFC_K, RFC_M = RFC_M
-
LO_FORCESRCE = 1
CAL_FORCESRCE = 1
RFC_CPROG = 0
FORCE_LOCK = 0
CAL_MODE = 3h
-
LO_FORCESRCE = 0
CAL_FORCESRCE = 0
FORCE_LOCK = 1
CAL_MODE = 0
SM_LT = 0
AGC1_GAIN = 0
-
-
TDA18271HD
I 2 C-bus
EP4
-
EB18
-
-
-
-
EP1 … EP3, EB13
EB4
EB7
EB14
EB20
-
EP4 … EP5
EP2, EP1, EP2, EP1
EB4
EB7
EB20
-
-
EB18
EP3 ... EP4
EP1
© NXP B.V. 2009. All rights reserved.
Silicon Tuner IC
RFC_CPROG
MS
001aah050
34 of 70