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MAX3861 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX3861
Description  2.7Gbps Post Amp with Automatic Gain Control
Download  13 Pages
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3861 Datasheet(HTML) 3 Page - Maxim Integrated Products

 
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2.7Gbps Post Amp with Automatic Gain Control
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +3.6V, TA = -40°C to +85°C. Typical values are at VCC = +3.3V and TA = +25°C, unless otherwise noted.) (Note 1)
Note 1:
Electrical characteristics are measured or characterized using a 223 - 1PRBS at 2.7Gbps with input edge speeds
≤200ps,
unless otherwise noted. Dice are tested at TA = +25°C only. All AC specifications are guaranteed by design and charac-
terization, unless otherwise noted.
Note 2:
Supply current measurement is taken with AC-coupled inputs and excludes output currents into 50
Ω loads.
Note 3:
Minimum gain is defined as VIN = 1200mVP-P and VOUT = 400mVP-P. Maximum gain is defined as VIN = 6mVP-P and VOUT
= 920mVP-P. Reference gain is measured at 100MHz.
Note 4:
Power-supply noise rejection is characterized with a 2.7Gbps 1100 pattern on the input. It is calculated by the equation
PSNR = 20log(
∆VCC / (∆VOUT)), where ∆VOUT is the change in differential output voltage because of power-supply noise.
See Power Supply Noise Rejection vs. Frequency in the Typical Operating Characteristics.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VSC = 0
300
400
500
Differential Output Amplitude
VOUT
RL = 50
Ω to VCC
(Note 6)
VSC = 2V
760
920
1050
mVP-P
Output Amplitude Variation
∆VOUT
VIN
≥ 6mVP-P, RL = 50Ω to VCC (Notes 6, 7)
0.2
1.0
dB
At minimum gain
2.5
3.4
5.5
Small Signal Bandwidth
BW
(Note 3)
At maximum gain
2.2
2.9
4.3
GHz
Low-Frequency Cutoff
CCZ = 0.1µF
7.6
13
kHz
Deterministic Jitter
(Note 8)
15
50
psP-P
VOUT = 920mVP-P
2.0
Output Signal Monitor Voltage
VOSM
ROSM
≥ 2kΩ
(Note 6)
VOUT = 400mVP-P
0.9
V
Output Signal Monitor Linearity
0V
≤ VSC ≤ 2V (Note 6)
±10
%
SC Input Range
(Note 9)
0
2.0
V
AGC Loop Constant
Without external capacitor CCG,
VSC = 0 (Note 10)
16
µs
VIN = 2mVP-P
55
RSSI Output Voltage
RSSI
RRSSI
≥ 2kΩ,
VSC = 0
(Note 6)
VIN = 100mVP-P
1800
mV
2mVP-P
≤ VIN ≤ 100mVP-P (Note 14)
±2.5
±12
RSSI Linearity
6mVP-P
≤ VIN ≤ 100mVP-P
±2.5
±8
%
Minimum SD Assert Input
2mVP-P
Maximum SD Assert Input
100
mVP-P
SD Assert Time
10
70
µs
SD Deassert Time
CG+ and CG- are open (Note 11)
10
44
µs
SD Accuracy
(Note 12)
±10
%
10mVP-P
≤ VIN ≤ 100mVP-P
2.8
4.5
6.3
SD Hysteresis
2mVP-P
≤ VIN ≤ 10mVP-P (Note 13)
4.5
dB
SD Output High Voltage
Sourcing 20µA current
2.4
V
SD Output Low Voltage
Sinking 2mA current
0.44
V
EN Input Low Voltage
VIL
0.8
V
EN Input High Voltage
VIH
2.0
V
EN Input Low Current
IIL
VIL = 0
10
µA
EN Input High Current
IIH
VIH = 2.0V
10
µA
VREF Output Voltage
RVREF
≥ 40kΩ
2.0
V


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