UPB1009K データシートの表示（PDF） - NEC => Renesas Technology

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UPB1009K

NEC’s LOW POWER GPS RF RECEIVER BIPOLAR ANALOG + INTEGRATED CIRCUIT

NEC => Renesas Technology 

UPB1009K

Pin

Pin Name

No.

19 2ndIFin

Function and Application

Input pin of ADC buffer amplifier.

Internal Equivalent Circuit

24

20 DCOFFout

Output pin of DC trimming OP amplifier.

21 DCOFFin

DC trimming pulse input pin.

Connect this pin to pin 20 via a capacitor to

convert an input pulse signal into DC.

22 GNDana

23 GNDbuf

Ground pin for OP amplifier and ADC

power supply.

24 VDDana

Power supply pin for OP amplifier and ADC

comparator.

25 VDDbuf

Power supply pin for output driver amplifier

of ADC. Connect this pin to the ground pin

of the A/D converter via a bypass capacitor

to reduce the high-frequency impedance.

26 GNDsub

27 D0

28 D1

29 D2

30 D3

31 SCKin

32 AGCin

Ground pin of CMOS substrate.

Digital signal output pins.

LSB = D0, MSB = D3

Sampling clock signal input pin.

AGC control pulse signal input pin.

19

1.8 kΩ

22

24

31

PB

22

25

AY

inv

23

24

27 29

28 30

33 AGCout

AGC control signal output pin.

21

20

32

33

22

8

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