MAX3580 データシートの表示（PDF） - Maxim Integrated

部品番号

コンポーネント説明

メーカー

MAX3580

Direct-Conversion TV Tuner

Maxim Integrated 

MAX3580

Direct-Conversion TV Tuner

Electrical Characteristics (continued)

(MAX3580 EV kit, VCC = +3.1V to +3.5V, VGND = 0V, VBB_AGC = VRF_AGC = +2.85V, RF input terminated into a 75Ω load, BBI_ and

BBQ_ are open, no input signal, VCO active, registers set according to the specified default register conditions, unless otherwise

specified. Typical values are at VCC = +3.3V, TA = +25°C, unless otherwise specified.) (Note 1)

PARAMETER

Noise Figure (DSB)

(Notes 3, 4)

Input 2nd-Order Intercept

Point

Input 3rd-Order Intercept

Point

SYMBOL

NF

IIP2

IIP3

CONDITIONS

230MHz

470MHz

858MHz

Broadband (Notes 4, 5)

Broadband, RF_AGC adjusted for 49dB

of gain

Broadband (Notes 4, 6)

Broadband, RF_AGC adjusted for 49dB

of gain

Narrowband (Notes 4, 7)

Narrowband, RF_AGC adjusted for 49dB of

gain (Note 7)

MIN TYP MAX UNITS

5.4

4.7

dB

6.5

15

dBm

> 26

> -4

> 12

dBm

-6

+16

RF 1dB Desense

LO Harmonic Reception

RF Channel Flatness

Isolation

Quadrature Accuracy

Spurious at the RF Input

(Note 3)

Phase Noise

(Single-Sideband,

Closed Loop)

PDESIRED = -78dBm and converted to

3.75MHz, PTONE 10MHz higher (Note 4)

RF_AGC adjusted for 49dB of gain,

PDESIRED = -55dBm

-22

dBm

+1

RF input range of 170MHz to 960MHz (Note 8)

> -60

dBc

RF input range of 960MHz to 1400MHz

> -40

8MHz RF channel at baseband, tested at

169MHz and 469MHz

-1

+1

dB

DC to 30MHz, RF input to baseband output,

relative to desired channel

> 60

dBc

I/Q phase error at 1MHz

-3

+3 Degrees

I/Q amplitude error at 1MHz

-1.5

+1.5

dB

50MHz to 470MHz

-50

-20

470MHz to 878MHz

-50

-35 dBmV

878MHz to 1732MHz

< -50 -20

At 1kHz to 10kHz (Note 3)

-77

-90

ΦN

At 100kHz (Note 3)

-94 -107

dBc/Hz

At 1MHz

-130

www.maximintegrated.com

Maxim Integrated │  3

Share Link: