Datasheet > MAX2308

MAX2308

更新时间： 2023-12-20 18:44:05

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	192K
描述
CDMA IF VGA及I/Q解调器，带有VCO及合成器

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数据手册

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MAX2308 数据手册

CDMA IF VGAs a n d I/Q De m o d u la t o rs

w it h VCO a n d S yn t h e s ize r

AC ELECTRICAL CHARACTERISTICS

(MAX2306/MAX2308/MAX2309 EV kit, V = +2.75V, registers set to default power-up states except M1 = M2 = 306, R1 = R2 = 16,

= 183.7MHz, f

= 19.2MHz, 0.6Vp-p synthesizer locked with passive 3rd-order lead-lag loop filter, SHDN = high, VGC set for

REF

+35dB voltage gain, differential output load = 10kΩ, all power levels referred to 50Ω, T = +25°C, unless otherwise noted.)

PARAMETER

Input Frequency

SYMBOL

CONDITIONS

MIN

TYP

MAX

300

UNITS

MHz

(Note 2)

Reference Frequency

MHz

REF

Frequency Reference Signal

Level

0.2

Vp-p

REF

IIP3

SIGNAL PATH, CDMA MODE

Gain = -35dB, (Note 3)

3.4

Input 3rd-Order Intercept

dBm

Gain = +35dB, T = -40°C to +85°C

(Notes 4, 5)

-38

-31.0

Gain = -35dB

Gain = +35dB

-9

Input 1dB Compression

dBm

1dB

-44

Gain = -35dB

(Note 6)

-14.8

-49

Input 0.25dB Desensitization

Gain = +35dB

Minimum Voltage Gain

Maximum Voltage Gain

= 0.5V (Note 5)

= 2.3V (Note 5)

VGC

-56

-51

VGC

Gain = -35dB

Gain = +35dB

62.9

6.36

DSB Noise Figure

dBm

SIGNAL PATH, FM_IQ MODE

Gain = -35dB, (Note 7)

-6.5

-32

Input 3rd-Order Intercept

IIP3

dBm

Gain = +35dB, T = -40°C to +85°C

(Notes 5, 8)

-40.2

Gain = -35dB

Gain = +35dB

-20

-44

Input 1dB Compression

1dB

Minimum Voltage Gain

Maximum Voltage Gain

= 0.5V (Note 5)

= 2.3V (Note 5)

VGC

-56.7

59.5

-52

VGC

SIGNAL PATH, CDMA AND FM_IQ MODE

Gain Variation Over Temperature

Baseband 0.5dB Bandwidth

Quadrature Suppression

Normalized to +25°C

2.5

4.2

MHz

= -40°C to +85°C (Note 5)

LO to Baseband Leakage

mVp-p

Vp-p

Saturated Output Level

SAT

Differential

2.7

PHASE-LOCKED LOOP

(Note 2)

300

600

VCO

VCO Tune Range

MHz

dBm

VCO

135

LO_OUT Output Power

= 50Ω, BUFEN = low

-13.7

VCO Minimum Divide Ratio

VCO Maximum Divide Ratio

REF Minimum Divide Ratio

M1, M2

R1, R2

256

16383

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