MAX3510 データシートの表示（PDF） - Maxim Integrated

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MAX3510

Upstream CATV Amplifier

Maxim Integrated 

Upstream CATV Amplifier

AC ELECTRICAL CHARACTERISTICS (continued)

(VCC = +4.75V to +5.25V, TXEN = SHDN = high, D7 = 1, VIN = 34dBmV differential, output impedance = 75Ω through a 2:1 trans-

former, TA = -40°C to +85°C, unless otherwise noted. Typical parameters are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Transmit Mode Noise (Note 1)

BW = 160kHz, AV = 26dB

BW = 160kHz, AV = -26dB

-78

dBc

47

-46 dBmV

Transmit-Disable Mode Noise

Floor

TXEN = low, BW = 160kHz,

AV = +26dB, fIN = 5MHz to 65MHz (Note 1)

-70 dBmV

Isolation in Transmit-Disable

Mode

TXEN low, gain control word = 61,

fIN = 65MHz

36

TXEN Transient Duration

TXEN Transient Step Size

(Note 1)

TXEN rise/fall time < 0.1µs, TA = +25°C (Note 1)

Gain = 26dB, TA = +25°C

Gain = 2dB or lower, TA = +25°C

Input Impedance

⏐ZIN⏐

fIN = 5MHz to 65MHz, single-ended,

TA = +25°C (Note 1)

1.4

Output Impedance

ZOUT

TA = 0°C

8.0

Output Return Loss in Transmit

Mode

RL

fIN = 5MHz to 65MHz

(Note 1)

TA = +25°C

8.7

TA = +85°C

8.9

Output Return Loss in

Transmit-Disable Mode

TXEN = low,

TA = 0°C

RL

fIN = 5MHz to 65MHz TA = +25°C

(Note 1)

TA = +85°C

7.1

7.7

9.7

Input tones at 40MHz and 40.2MHz,

VIN = 28dBmV/tone, VOUT = +54dBmV/tone,

Two-Tone Third-Order Distortion

(Note 1)

IM3

TA = +25°C

Input tones at 65MHz and 65.2MHz,

VIN = 28dBmV/tone, VOUT = 53dBmV/tone,

TA = +25°C

45

3.2

7

0.7

1.5

75

13.5

13.5

13.9

12.0

12.2

12.7

-56

-54

dB

5

µs

37

mVP-P

3.7

kΩ

Ω

dB

dB

-53

dBc

-51

2nd Harmonic Distortion

3rd Harmonic Distortion

HD2

HD3

fIN = 33MHz, (Note 3) VOUT = +54dBmV

TA = -40°C to +85°C VOUT = +59dBmV

fIN = 65MHz, VOUT = +59dBmV,

TA = +25°C (Note 1)

fIN = 22MHz,

TA = -40°C to +85°C

VOUT = +54dBmV

VOUT = +59dBmV

fIN = 65MHz, VOUT = +59dBmV,

TA = +25°C (Note 1)

-59

-53

-55

-50

dBc

-54

-50

dBc

-58

-53

-54

-50

dBc

-49

-44

AM to AM

AM/AM

AV = 26dB, VIN swept from 34dBmV to

38dBmV (Note 1)

0.1

dB

AM to PM

AM/PM

AV = 26dB, VIN swept from 34dBmV to

38dBmV (Note 1)

1

degrees

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