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MAX3802UGKMAXIMN/a107avai3.2Gbps Quad Adaptive Cable Equalizer with Cable Driver


MAX3802UGK ,3.2Gbps Quad Adaptive Cable Equalizer with Cable DriverApplications ESD Protection on Cable Inputs and OutputsHigh-Speed Links in Communications and Data ..
MAX3802UGK-D ,3.2Gbps Quad Adaptive Cable Equalizer with Cable DriverApplications● High-Speed Links in Communications and Data Ordering Information Systems● Backplane ..
MAX3802UTK+ ,3.2Gbps Quad Adaptive Cable Equalizer with Cable DriverElectrical Characteristics(V = 3.14V to 3.46V, T = 0°C to +85°C. Typical values are at V = 3.3V and ..
MAX3802UTK+D ,3.2Gbps Quad Adaptive Cable Equalizer with Cable DriverElectrical Characteristics(V = 3.14V to 3.46V, T = 0°C to +85°C. Typical values are at V = 3.3V and ..
MAX3803UBP-T ,DC-Coupled / UCSP 3.125Gbps EqualizerApplicationsBackplane InterconnectOrdering InformationRack-to-Rack InterconnectCommon-Mode Voltage ..
MAX3804ETE+ ,12.5Gbps Settable Receive EqualizerFeaturesThe MAX3804 driver with integrated analog equalizer Compensates Up to 30in (0.75m) of 6-mi ..
MAX738AEPA ,5V / Step-Down / Current-Mode PWM DC-DC ConvertersELECTRICAL CHARACTERISTICS(Circuit of Figure 3, V+ = 9V for the MAX730A, V+ = 12V for the MAX738A/M ..
MAX738AEWE ,5V / Step-Down / Current-Mode PWM DC-DC ConvertersMAX730A/MAX738A/MAX744A19-0165; Rev 2; 1/965V, Step-Down,Current-Mode PWM DC-DC Converters_________ ..
MAX739CPD ,-5V,-12V,-15V, and Adjustable Inverting Current-Mode PWM RegulatorslVI/lXI/VI -5V, -12V, -15V, and Adjustable Inverting Gurrent-Mode PWM Regulators
MAX739CWE ,-5V,-12V,-15V, and Adjustable Inverting Current-Mode PWM RegulatorsGeneral Description The MAX736/MAX737/MAX739/MAX759 are CMOS, in- verting, switch-mode regulato ..
MAX739EWE ,-5V,-12V,-15V, and Adjustable Inverting Current-Mode PWM RegulatorsFeatures . Pre-Set -5V, -12V, -15V or Adjustable Outputs . Convert Positive Voltages to Negative ..
MAX7400CSA ,8th-Order, Lowpass, Elliptic, Switched-Capacitor Filtersapplications. They fea-' Single-Supply Operationture a shutdown mode that reduces the supply curren ..


MAX3802UGK
3.2Gbps Quad Adaptive Cable Equalizer with Cable Driver
General Description
The MAX3802 has four independent adaptive cable
equalizers and cable drivers on a single chip. It is
designed for coaxial and twin-axial cable point-to-point
scrambled-data communication applications. The dri-
ver features differential current-mode logic (CML)
inputs and outputs. The equalizer includes differential
CML data inputs and outputs and a TTL loss-of-signal
(LOS) output.
The adaptive cable equalizer can equalize differential
or single-ended signals at data rates up to 3.2Gbps. It
automatically adjusts to attenuation caused by skin-
effect losses of 30dB at 1.6GHz. The equalizer effec-
tively extends the usable length of copper cable in
high-frequency interconnect applications.
Applications

High-Speed Links in Communications and Data
Systems
Backplane and Twin-Axial Cable Interconnects
Category 5 UTP-Based Systems
Digital Video Systems
Features
Single 3.3V Operation Four Independent Equalizers and Drivers725mW at 3.3V Typical Power Dissipation Data Rates Up to 3.2GbpsEqualizer Automatically Adjusts for Different
Cable Lengths
0 to 30dB Equalization at 1.6GHz (3.2Gbps)Loss-of-Signal (LOS) IndicatorOn-Chip Input and Output TerminationsLow External Component Count0°C to +85°C Operating Temperature Range ESD Protection on Cable Inputs and Outputs
MAX3802
with Cable Driver
Ordering Information
Typical Application Circuit
Pin Configuration appears at end of data sheet.

*Exposed pad
MAX3802
3.2Gbps Quad Adaptive Cable Equalizer
with Cable Driver
ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS

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.
Supply Voltage, VCC..............................................-0.5V to +6.0V
Voltage at LOS_, CIM_, and RMOD_.........-0.5V to (VCC + 0.5V)
Voltage at EIN_+, EIN_-,
DIN_+, and DIN_- ..........................(VCC- 1V) to (VCC + 0.5V)
Current Out of EOUT_+, EOUT_-,
DOUT_+, and DOUT_- ...................................................25mA
Continuous Power Dissipation (TA = +85°C)
68-Pin QFN (derate 44.8mW/°C above +85°C).............1.44W
Operating Ambient Temperature Range................0°C to +85°C
Storage Ambient Temperature Range...............-55°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
MAX3802
3.2Gbps Quad Adaptive Cable Equalizer
with Cable Driver
AC ELECTRICAL CHARACTERISTICS

(VCC= 3.14V to 3.46V, TA= 0°C to +85°C. Typical values are at VCC= 3.3V and TA= +25°C, unless otherwise noted.)
Note 2:
Input voltage within specification limits, 50Ωto VCCat each output.
Note 3:
Minimum cable input for LOS_to deassert high.
Note 4:
100kΩload to ground. The minimum input signal level that turns off the LOS_alarm depends on the data rate and cable length.
Note 5:
AC electrical characteristics are guaranteed by design and characterization.
Note 6:
VDIN_= 400mVP-Pto 1100mVP-P(differential), 10kΩ≤RMOD_≤20kΩ, 3.2Gbps 213-1 PRBS plus 100 consecutive ones and
100 consecutive zeros.
Note 7:
Includes random jitter and deterministic jitter for BER of 10-12.
Note 8:
Differential cable input voltage = 400mVP-P, 3.2Gbps 213-1 PRBS plus 100 consecutive ones and 100 consecutive zeros.
Note 9:
Isolation test: three channels driven with identical 3.2Gbps PRBS with maximum input signal to each equalizer and maxi-
mum input signal on driver. The measured channel meets the residual and random jitter specifications with an uncorrelated
3.2Gbps PRBS data at minimum input signal level on equalizer and maximum signal level on driver.
Note 10: Equalizer time constant measured from data on to closed-loop operation.
MAX3802
3.2Gbps Quad Adaptive Cable Equalizer
with Cable Driver
Typical Operating Characteristics

(VCC= 3.3V, TA= +25°C, all jitter measurements done at 3.2Gbps, 600mV cable input with 213 - 1 PRBS pattern with 100 consecutive ones and
100 consecutive zeros substituted. Note:Test pattern produces near-worst-case jitter results. Results vary with pattern, unless otherwise noted.)
MAX3802
3.2Gbps Quad Adaptive Cable Equalizer
with Cable Driver

EQUALIZER RESIDUAL JITTER vs. CABLE
LENGTH (TENSOLITE TWIN-AX, 400mVP-P
DIFFERENTIAL INPUT)

MAX3802 toc10
CABLE LENGTH (ft)
JITTER (ps
P-P30402050607045355565
EQUALIZER RESIDUAL JITTER vs. CABLE
LENGTH (RG179B 75Ω COAXIAL, 300mVP-P
SINGLE ENDED)

MAX3802 toc11
CABLE LENGTH (ft)
JITTER (ps
P-P
EQUALIZER RESIDUAL JITTER vs. LINE
LENGTH (FR-4 6mil STRIPLINE, 300mVP-P
SINGLE ENDED)
MAX3802 toc12
LINE LENGTH (in)
JITTER (ps
P-P507080
CIM VOLTAGE vs. CABLE LENGTH (TENSOLITE
TWIN-AX, 400mVP-P DIFFERENTIAL)
MAX3802 toc13
CABLE LENGTH (ft)
CIM VOLTAGE (V
- V
CIM
) (V)304020506070
EQUALIZER INPUT AFTER 115ft OF
CABLE (TOP) EQUALIZER OUTPUT (BOTTOM)

MAX3802 toc14
48ps/div (3.2Gbps)
EQUALIZER OUTPUT EYE DIAGRAM AFTER
155ft OF 50Ω GORE-89 CABLE (400mVP-P)

MAX3802 toc15
60ps/div (2.5Gbps)
CABLE OUTPUT EYE DIAGRAM AFTER 70ft
OF TENSOLITE TWIN-AX CABLE (27 - 1 PRBS
NO EQUALIZATION)

MAX3802 toc16
60ps/div (2.5Gbps)
EQUALIZER OUTPUT EYE DIAGRAM AFTER 70ft
OF TENSOLITE TWIN-AX CABLE (27 - 1 PRBS)

MAX3802 toc17
48ps/div (3.2Gbps)
EQUALIZER OUTPUT EYE DIAGRAM AFTER 72ft
OF 75Ω RG179 CABLE
(300mVP-P SINGLE ENDED, 223 - 1 PRBS)

MAX3802 toc18ypical Operating Characteristics (continued)
(VCC= 3.3V, TA= +25°C, all jitter measurements done at 3.2Gbps, 600mV cable input with 213 - 1 PRBS pattern with 100 consecutive ones and
100 consecutive zeros substituted. Note:Test pattern produces near-worst-case jitter results. Results vary with pattern, unless otherwise noted.)
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