MC33411A Ver la hoja de datos (PDF) - Motorola => Freescale

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Fabricante

MC33411A

900 MHz Analog Cordless Phone Baseband with Compander

Motorola => Freescale 

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3

Rx PLL VCC

Supply pin for the Rx PLL section. Allowable range

(Input)

is 2.7 to 5.5 V and must be within 0.5 V of all other

3

10 0.01 10

VCC VCC pins. Good bypassing is required and isolation

Rx PLL

with a 10 Ω resistor is recommended.

Section

4

Rx PD

(Output)

100/

400 µA 125

Rx PLL VCC

125

100/

400 µA

Rx

PLL

VCC

4

to Filter

Rx PD

Rx Phase Detector Output. The output either

sources or sinks current, or neither, depending on

the phase difference of the phase detector input

signals. During lock, very narrow pulses with a

frequency equal to the PLL reference frequency are

present. Output current is either ±100 µA or

±400 µA, selectable with bit 2/20.

5

PLL Gnd

Ground pin for the PLL section. A direct connection

to a ground plane is strongly recommended.

6

Tx PD

Same as Pin 4, except powered from Tx PLL VCC. Tx Phase Detector Output. Description same as for

(Output)

Pin 4, except bit 1/20 controls the current level.

7

Tx PLL VCC

(Input)

7

Tx PLL

Section,

MCU Serial

Interface,

Reference

Oscillator

Supply pin for the Tx PLL section, MCU Serial

Interface, MCU Clock Counter, and the Reference

10 0.01 10

VCC

Oscillator. Allowable range is 2.7 to 5.5 V and must

be within 0.5 V of all other VCC pins. Good

bypassing is required and isolation with a 10 Ω

resistor is recommended.

8

FTx

Same as Pin 2.

(Input)

Receives the signal from the external 64/65 or

128/129 prescaler. DC bias is at 1.5 V.

9

FTx MC

(Output)

Tx PLL VCC

100 µA

Modulus Control Output for the Tx PLL section. Can

be set to output in a current mode or a voltage

mode, selectable with bit 3/16.

Current Mode

9

FTx MC

Tx PLL VCC 100 µA

Voltage Mode

NOTE: 1. All VCC pins must be within ±0.5 V of each other.

MOTOROLA RF/IF DEVICE DATA

9

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