MAX3271 datasheet(2/8 Pages) MAXIM

2 / 8 page

+3.3V, 2.5Gbps Low-Power

Transimpedance Amplifier

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = +3.0V to +3.6V, TA = -40°C to +85°C. Typical values are at VCC = +3.3V, source capacitance = 0.85pF, TA = +25°C, unless

otherwise noted.) (Notes 1, 2)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Power-Supply Voltage (VCC) ................................-0.5V to +6.0V

Input Current (IN) ..................................................-4mA to +4mA

FILTER Current ................................…………..-12mA to +12mA

Voltage at OUT+, OUT- ..................(VCC - 1.5V) to (VCC + 0.5V)

Operating Junction

Temperature Range (TJ) ............……………-55°C to +150°C

Storage Ambient Temperature Range (Tstg) ....-55°C to +150°C

Die Attach Temperature ..................................................+400°C

Note 1: Production test at room ambient temperature only. Die parameters are guaranteed by design and characterization at -40°C

and +85°C.

Note 2: Source capacitance represents the total capacitance at the IN pad during characterization of the noise and bandwidth

parameters.

Note 3: Guaranteed by design and characterization.

Note 4: Input-referred noise density is IN/

√BW. No external filters are used for the noise measurements.

Note 5: Deterministic jitter is measured with a K28.5 pattern (0011 1110 1011 0000 0101).

Note 6: Power-supply noise rejection PSNR = -20log(

∆VOUT/∆VCC), where ∆VOUT is the differential output voltage and ∆VCC is the

noise on VCC.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Bias Voltage

0.66

0.83

1.1

Power-Supply Current

ICC

Transimpedance

40µAp-p input, differential out

2.1

2.8

3.4

Ω

Small-Signal Bandwidth

(Note 3)

1.5

GHz

Output Impedance

Single-ended

Ω

Maximum Differential Output Swing

Input = 1mAp-p

185

300

430

mVp-p

Filter Resistor

750

Ω

AC Input Overload

(Note 3)

2.0

mAp-p

DC Input Overload

(Note 3)

1.0

Input-Referred Noise

(Note 3)

495

655

nARMS

Input-Referred Noise Density

(Note 4)

pA/

√Hz

Low-Frequency Cutoff

-3dB, input

≤ 20µA DC

kHz

Transimpedance Linear Range

0.95

≤ linearity ≤ 1.05 (Note 3)

µAp-p

10µAp-p input

Deterministic Jitter

(Notes 3, 5)

20µAp-p

≤ input ≤ 2mAp-p

psp-p

Power-Supply Noise Rejection

PSNR

∆VCC = 100mVp-p, f < 2MHz (Note 6)

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