MAX3266 データシートの表示（PDF） - Maxim Integrated
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MAX3266
Maxim Integrated
MAX3266 Datasheet PDF : 10 Pages
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1.25Gbps/2.5Gbps, +3V to +5.5V, Low-Noise
Transimpedance Preamplifiers for LANs
ELECTRICAL CHARACTERISTICS—MAX3267E
(VCC = +3.0V to +5.5V, TA = -40°C to +85°C, 100Ω load between OUT+ and OUT-. Typical values are at TA = +25°C, VCC = 3.3V,
source capacitance = 0.85pF, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Input Bias Voltage
0.67 0.83 0.97
V
Supply Current
26
53.2
mA
Transimpedance
Differential, measured with 40µAp-p signal
1470 1900 2355
Ω
Output Impedance
Single ended (per side)
47.7
50
52.1
Ω
Maximum Differential Output
Voltage
Input = 1mAp-p
155 250
430
mVp-p
Filter Resistor
1210 1500 1865
Ω
AC Input Overload
1.0
mAp-p
DC Input Overload
0.65
mA
Input-Referred RMS Noise
SO package (Note 2)
485
668
nA
Input-Referred Noise Density (Note 2)
11.0
pA/(Hz)1/2
Small-Signal Bandwidth
1515 1900 2550
MHz
Low-Frequency Cutoff
-3dB, input ≤ 20µA DC
24
kHz
Transimpedance Linear Range Peak-to-peak, 0.95 < linearity < 1.05
40
µAp-p
Deterministic Jitter
(Note 3)
14
50
ps
Power-Supply Rejection Ratio
(PSRR)
Output referred, f < 2MHz,
PSRR = -20log (∆VOUT/∆VCC)
50
dB
Note 1: Source Capacitance represents the total capacitance at the IN pin during characterization of noise and bandwidth parame-
ters. Figure 1 shows the typical source capacitance vs. reverse voltage for the photodiode used during characterization of
TO-56 header packages. Noise and bandwidth will be affected by the source capacitance. See the Typical Operating
Characteristics for more information.
Note 2: Input-Referred Noise is calculated as RMS Output Noise / (Gain at f = 10MHz). Noise Density is (Input-Referred Noise) /
√bandwidth. No external filters are used for the noise measurements.
Note 3: Deterministic Jitter is measured with the K28.5 pattern applied to the input [00111110101100000101].
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