TDA7326 datasheet(3/16 Pages) STMICROELECTRONICS

3 / 16 page

ELECTRICAL CHARACTERISTICS (Tamb =25

°C; VDD1 = 5V; VDD2 =9VfOSC = 4MHz; RISET = 68KΩ;

unless otherwise specified.)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

VDD1

Supply Voltage

4.5

5.0

5.5

VDD2

Supply Voltage

9.0

10.0

IDD1 FM

Supply Current

no output load, FM mode,

fin = 100MHz

IDD1 AM

Supply Current

no output load, AM mode,

fin = 1MHz

IDD1 STB

Supply Current

Standby mode

µA

IDD2

Supply Current

0.5

VREF

Voltage at pin 3

3.0

3.5

4.0

ViSET

Voltage at pin 2

RiSET = 68K

Ω

7.0

8.0

9.0

RF INPUT (AMIN FMIN)

fiAM

Input Frequency AM

Direct Mode, Vin = 50mV

0.5

MHz

Swallow Mode, Vin = 50mV

MHz

fiFM

Input Frequency FM

Sinus, Vin = 50mV

140

MHz

ViAM

Input Voltage AM

Direct Mode

0.6 to 16MHz (Sinus)

600

mVrms

Swallow Mode

16 to 40MHz (Sinus)

600

mVrms

ViFM

Input Voltage FM

70 to 120MHz (Sinus)

600

mVrms

Zin

Input Impedance FM

fin = 120MHz

200

Ω

Zin

Input Impedance AM

fin = 12MHz

1400

Ω

OSCILLATOR

fOSC

Oscillator Frequency

MHz

tbu

Built Up Time

Euro-Quartz ITT

100

Cin

Internal Capacitance

COUT

Internal Capacitance

Zin

Input Impedance

Ω

Vin

Input Voltage

0.5

VDD1

Vpp

PLL CHARACTERISTICS

fstep

Step Width AM

1/2.5

KHz

fstep

Step Width FM

12.5/25

KHz

fref

Ref Frequency AM

1/2.5

KHz

fref

Ref Frequency FM

12.5/25

KHz

LOOP FILTER INPUT (LPIN1,LPIN2 = PIN 15,16)

-Iin

Input Leakage Current

VIN = VSS; Phase Detector

Output = Tristate

-1

-0.1

µA

Iin

Input Leakage Current

VIN = VDD; Phase Detector

Output = Tristate

0.1

µA

TDA7326

3/16

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