MAX2036CCQ-TD 查看數據表（PDF） - Maxim Integrated

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MAX2036CCQ-TD

Ultrasound VGA Integrated with CW Octal Mixer

Maxim Integrated 

Ultrasound VGA Integrated

with CW Octal Mixer

AC ELECTRICAL CHARACTERISTICS—VGA MODE

(Figure 7, VCC = VREF = 4.75V to 5.25V, VCM = (3/5)VREF, TA = 0°C to +70°C, VGND = 0V, LOW_PWR = 0, M4_EN = 0, CW_FILTER =

1, TEST_MODE = 0, PD = 0, CW_VG = 1, CW_M1 = 0, CW_M2 = 0, VG_CLAMP_MODE = 1, fRF = fLO/16 = 5MHz, capacitance to

GND at each of the VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF, RL = 1kΩ, CW mixer out-

puts pulled up to +11V through four separate ±0.1% 115Ω resistors, differential mixer inputs are driven from a low-impedance source.

Typical values are at VCC = VREF = 5V, TA = +25°C, unless otherwise noted.) (Note 2)

PARAMETER

Mode Select Response Time

VGA MODE

SYMBOL

CONDITIONS

CW_VG set from logic 1 to 0 or from 0 to 1

(Note 9)

MIN TYP MAX UNITS

2

µs

Large-Signal Bandwidth

Differential Input Resistance

Input Effective Capacitance

Differential Output Resistance

Maximum Gain

Minimum Gain

Gain Range

Absolute Gain Error

VGA Gain Response Time

Input-Referred Noise

Output-Referred Noise

Second Harmonic

Third-Order Intermodulation

Distortion

Channel-to-Channel Crosstalk

Differential output

capacitance is 10pF,

VOUT = 1.5VP-P, capacitance to GND at

17

f-3dB 3dB bandwidth, each single-ended output

gain = 20dB

is 60pF, RL = 1kΩ

MHz

RIN

CIN

ROUT

No capacitive load,

RL = 1kΩ

fRF = 10MHz, each input to ground

22

170 200 230

Ω

15

pF

100

Ω

39.5

dB

-10.5

dB

50

dB

TA = +25°C, -2.0V < VG_CTL < -1.8V,

VREF = 5V

±0.6

TA = +25°C, -1.8V < VG_CTL < +1.2V,

VREF = 5V

±0.5

dB

TA = +25°C, +1.2V < VG_CTL < +2.0V,

VREF = 5V

±1.2

50dB gain change to within 1dB final value

VG_CTL set for maximum gain, no input signal

1

µs

2

nV/√Hz

VG_CTL set for

+20dB of gain

No input signal

VOUT = 1.5VP-P,

1kHz offset

60

nV/√Hz

120

VG_CLAMP_MODE = 1,

VG_CTL set for +20dB of gain,

-55

-62

HD2

fRF = 5MHz, VOUT = 1.5VP-P

dBc

VG_CLAMP_MODE = 1,

VG_CTL set for +20dB of gain,

-62

fRF = 10MHz, VOUT = 1.5VP-P

VG_CTL set for +20dB of gain,

IMD3 fRF1 = 5MHz, fRF2 = 5.01MHz,

-40

-52

dBc

VOUT = 1.5VP-P, VREF = 5V (Note 3)

VOUT = 1VP-P differential, fRF = 10MHz,

VG_CTL set for +20dB of gain

-80

dB

4 _______________________________________________________________________________________

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