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U6207B
1.3 GHz PLL with I2C Bus for TV Tuner
Description
The U6207B is a single chip frequency synthesizer with I2C bus control. This IC contains a high frequency prescaler which can be switched off. The maximum input frequency at switched off prescaler is 220 MHz, so that special channels, e.g. weather forecast channels, can be received. 3 open collector switching outputs are available.
Features
D 1.3 GHz divide-by-8 prescaler integrated (can be bypassed) D 15 bit counter accepts input frequencies up to 220 MHz D m P-controlled by I2C bus D 3 switching outputs (open collector) D 4 addresses selectable at Pin 7 for multituner application D 62.5 kHz (–1.3 GHz)/ 7.8125 kHz (–220 MHz) tuning steps D Electrostatic protection according to MIL-STD 883 D SO14 package
Block Diagram
Address selection (AS) 7 SCL 5 I2C bus control SDA 4 7 bit latch 8 bit latch 5 bit latch T1 Gate SW1 SW2 SW7 9 8 6 Switching outputs
3 bit latch
15 bit latch PSC RFi 12 11
OS
B 1 or 8
T0 15 bit counter Phase compar. OSC
5I
Prescaler
Charge pump
14 VD 1 PD
96 11666
B 512
10 13 Vs GND
2 3 Crystal
Figure 1.
Ordering Information
Extended Type Number U6207B-FPG3 Package SO14 plastic package Remarks Taped and reeled
TELEFUNKEN Semiconductors Rev. A1, 29-May-96
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U6207B
Pin Description
PD 1 14 VD 13 GND 12 RFi 11 RFi 10 VS 9 8
95 10699
Q1 2 Q2 SDA SCL SW7 AS 3 4 5 6 7
GND VD
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Symbol PD Q1 Q2 SDA SCL SW7 AS SW2 SW1 VS RFi RFi GND VD
Function Charge pump output Crystal Crystal Data in/output Clock Switching output (open collector) Address select Switching output (open collector) Switching output (open collector) Supply voltage RF input RF input Ground Active filter output
Figure 2.
Absolute Maximum Ratings
All voltages are referred to GND (Pin 13). Parameters Supply voltage RF input voltage Bus input/output voltage Pin 10 Pin 11, 12 Pin 4 Pin 5 SDA output current (open collector) Pin 4 Address select voltage Pin 7 Current switching outputs (open collector) Pin 9, 8, 6 Junction temperature Storage temperature Symbol VS RFi VSDA VSCL ISDA VAS SW 1,2,7 Tj Tstg Min. –0.3 –0.3 –0.3 –0.3 –1 –0.3 –1 –40 –40 Typ. Max. 6 Vs Vs Vs 5 VS 15 125 125 Unit V V V V mA V mA °C °C
Operating Range
All voltages are referred to GND (Pin 13). Parameters Supply voltage Ambient temperature Input frequency Input frequency Prog. divider Test Conditions / Pins Pin 10 PSC = 1 PSC = 0 Pin 11, 12 Pin 11, 12 Symbol VS Tamb RFi RFi SF Min. 4.5 0 64 1 256 Typ. Max. 5.5 70 1300 220 32767 Unit V °C MHz MHz
Thermal Resistance
Parameter Junction ambient Symbol RthJA Test Condition Soldered to PCB Value 110 Unit K/W
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TELEFUNKEN Semiconductors Rev. A1, 29-May-96
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U6207B
Electrical Characteristics
Test conditions (unless otherwise specified) VS = 5 V, Tamb = 25°C Parameters Supply current Test Conditions / Pins Pin 10 SW 1, 2, 7 = 0; PSC = 1 SW 1, 2, 7 = 0; PSC = 0 Symbol Is Is Min. 32 22 Typ. 42 28 Max. 52 35 10 40 10 315 10 0.5 ±180 ±50 ±5 Unit mA mA mV mV mV mV
mA
Input sensitivity fi = 80 - 1000 MHz PSC = 1 Pin 11 Vi 1) fi = 1300 MHz PSC = 1 Pin 11 Vi 1) fi = 10 - 220 MHz PSC = 0 Pin 11 Vi 1) Maximum input signal PSC = 0 / 1 Pin 11 Vimax 1) Open collector switching outputs (SW 1,2,7) Pin 9,8,6 Reserve current VH = 13.5 V IRH Saturation voltage IL = 10 mA VSL 2) Phase detector output Charge pump current “H” 5I = 1, VPD = 2 V, Pin 1 IPDH Charge pump current “L” 5I = 0, VDP = 2 V, Pin 1 IPDL Charge pump leakage T0 = 0, VPD = 2 V, Pin 1 IPDTRI current Bus inputs (SDA,SCL) Input voltage Pin 4, 5 Vi “H” Pin 4, 5 Vi “L” Input current VSCL “H” = Vs, Pin 4, 5 li “H” VSCL “L” = 0 V, Pin 4, 5 li “L” Output voltage SDA ISDA “L” = 2 mA , Pin 4 VSDA (open collector) “L” Address selection (AS) Input current VAS “H” = Vs Pin 7 liAS “H” VAS “L” = 0 V Pin 7 liAS “L” Bus timing Rise time SDA, SCL tR Fall time SDA, SCL tF Clock frequency SCL fSCL Clock “H” Pulse tHIGH Clock “L” Pulse tLOW Hold time start tHSTA Set-up time stop tSSTO Set-up time data tSDAT Hold time data tHDAT
1) 2)
V
mA mA
nA
3
5.5 1.5 10 0.4
–20
V V mA mA V
10 –100 15 15 100
mA mA ms ms
0 4 4 4 4 0.3 0
kHz ms ms ms ms ms ms
RMS-voltage calculated from the measured available power on 50 W . Tested with one switch active.
TELEFUNKEN Semiconductors Rev. A1, 29-May-96
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U6207B
I2C Bus Description
Data Formats
Description Address byte Progr. divider byte 1 Progr. divider byte 2 Control byte 1 Control byte 2 MSB 1 0 n7 1 SW7 1 n14 n6 5I X 0 n13 n5 T1 X 0 n12 n4 T0 X Data Format 0 n11 n3 X X AS1 n10 n2 X SW2 AS2 n9 n1 PSC SW1 LSB 0 n8 n0 OS X A A A A A
A = Acknowledge; X = not used; Unused bits of controlbyte 2 should be 0 for lowest power consumption.
n0 ... n14: PSC T0, T1
Scaling factor (SF) Prescaler on/off Testmode selection
.