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MAX2991ECM+ |MAX2991ECMMAXIMN/a310avaiPower-Line Communications (PLC) Integrated Analog Front-End Transceiver


MAX2991ECM+ ,Power-Line Communications (PLC) Integrated Analog Front-End TransceiverFeaturesThe MAX2991 power-line communication analog front- S Optimized to Operate with the MAX2990 ..
MAX3000EEUP+ ,+1.2V to +5.5V, ±15kV ESD-Protected, 0.1µA, 35Mbps, 8-Channel Level TranslatorsMAX3000E/MAX3001E/ MAX3002–MAX3012+1.2V to +5.5V, ±15kV ESD-Protected, 0.1µA,35Mbps, 8-Channel Leve ..
MAX3001EAUP+ ,+1.2V to +5.5V, ±15kV ESD-Protected, 0.1µA, 35Mbps, 8-Channel Level TranslatorsApplicationsCMOS Logic-Level Translation+1.8V +3.3VCellphonesSPI™ and MICROWIRE™ Level TranslationL ..
MAX3001EEBP+T ,+1.2V to +5.5V, 【15kV ESD-Protected, 0.1UA, 35Mbps, 8-Channel Level TranslatorsELECTRICAL CHARACTERISTICS(V = +1.65V to +5.5V, V = +1.2V to V , EN = V (MAX3000E/MAX3001E/MAX3002/ ..
MAX3001EEUP ,+1.2V to +5.5V / 15kV ESD-Protected / 0.1A / 35Mbps / 8-Channel Level TranslatorsFeaturesThe MAX3000E/MAX3001E/MAX3002–MAX3012 8-  Guaranteed Data Rate Optionschannel level transl ..
MAX3001EEUP ,+1.2V to +5.5V / 15kV ESD-Protected / 0.1A / 35Mbps / 8-Channel Level TranslatorsELECTRICAL CHARACTERISTICS(V = +1.65V to +5.5V, V = +1.2V to V , EN = V (MAX3000E/MAX3001E/MAX3002/ ..
MAX6190CESA ,Precision / Micropower / Low-Dropout Voltage ReferencesMAX6190–MAX6195/MAX619819-1408; Rev 1; 3/99Precision, Micropower, Low-Dropout Voltage References
MAX6191AESA ,Precision / Micropower / Low-Dropout Voltage ReferencesMAX6190–MAX6195/MAX619819-1408; Rev 1; 3/99Precision, Micropower, Low-Dropout Voltage References
MAX6191BESA ,Precision / Micropower / Low-Dropout Voltage ReferencesELECTRICAL CHARACTERISTICS—MAX6190(V = +5V, I = 0, T = T to T , unless otherwise noted. Typical val ..
MAX6192AESA ,Precision / Micropower / Low-Dropout Voltage ReferencesFeaturesThe MAX6190–MAX6195/MAX6198 precision, micro-' ±2mV (max) Initial Accuracypower, low-dropou ..
MAX6192BESA ,Precision / Micropower / Low-Dropout Voltage ReferencesELECTRICAL CHARACTERISTICS—MAX6190(V = +5V, I = 0, T = T to T , unless otherwise noted. Typical val ..
MAX6192BESA ,Precision / Micropower / Low-Dropout Voltage Referencesapplications that require fast settling,Analog-to-Digital and Digital-to-Analog Convertersand are s ..


MAX2991ECM+
Power-Line Communications (PLC) Integrated Analog Front-End Transceiver
Power-Line Communications (PLC) Integrated
Analog Front-End Transceiver
General Description
The MAX2991 power-line communication analog front-
end (AFE) is a state-of-the-art integrated circuit that
delivers high integration and superb performance, while
reducing the total system cost. The MAX2991 is the first
AFE specifically designed for OFDM (orthogonal fre-
quency division multiplexing) modulated signal transmis-
sion over power lines. Operating in the 10kHz to 490kHz
band, the programmable filters allow compliance with
CENELEC, FCC, and ARIB standards using the same
device.
The MAX2991 transceiver provides two main paths:
transmit (Tx) path and receive (Rx) path. The transmit
path injects an OFDM modulated signal into the AC or
DC line. The transmit path is composed of a digital IIR
filter, digital-to-analog converter (DAC), followed by a
lowpass filter, and a preline driver. The receiver path is
for the signal enhancement, filtering, and digitization of
the received signal. The receiver is composed of a low-
pass and a highpass filter, a two-stage automatic gain
control (AGC), and an analog-to-digital converter (ADC).
The integrated AGC maximizes the dynamic range of the
signal up to 60dB, while the lowpass filter removes any
out-of-band noise, and selects the desired frequency
band. The ADC converts the enhanced and amplified
input signal to a digital format. An integrated offset can-
cellation loop minimizes the DC offset.
The MAX2991, along with the MAX2990 PLC baseband
modem, delivers the most cost-effective data communi-
cation solution over power-line networks in the market.
The MAX2991 is specified over the -40NC to +85NC
temperature range and is available in a 48-pin LQFP
package.
FeaturesOptimized to Operate with the MAX2990 PLC
BasebandIntegrated Band Select Filter, AGC, and 10-Bit
ADC for Rx PathIntegrated Wave-Shaping Filter, Programmable
Predriver Gain, and 10-Bit DAC for Tx PathVariable Sampling Rate Up to 1.2MspsBuilt-In 60dB Dynamic Range AGC and DC Offset
CancellationProgrammable Filters Operate in the CENELEC,
FCC, and ARIB Frequency BandsSingle 3.3V Power Supply70mA Typical Supply Current (Half-Duplex Mode)Extended Operating Temperature Range
Applications
Automatic Meter Reading
Home Automation
Heating Ventilation and Air Conditioning (HVAC)
Building Automation
Industrial Automation
Lighting Control
Sensor Control and Data Acquisition (SCADA)
Remote Monitoring and Control
Security Systems/Keyless Entry
Smart Grid
Ordering Information
+Denotes a lead(Pb)-free/RoHS-compliant package.
Typical Application Circuit
MAX2990MAX2991
HOST
APPLICATION
INTERFACE
MCUTx BLOCK
Rx BLOCK
AFE
LINE
DRIVER
LINE
COUPLER
AC POWER
LINEPHY
PARTTEMP RANGEPIN-PACKAGE
MAX2991ECM+-40NC to +85NC48 LQFP
MAX2991
Power-Line Communications (PLC) Integrated
Analog Front-End Transceiver
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.
VDD to GND ..........................................................-0.3V to +3.9V
All Other Inputs/Outputs .......................................-0.3V to +3.9V
Continuous Power Dissipation (TA = +70NC)
48-Pin LQFP (derate 25mW/NC above +70NC) ..........1535mW
Operating Temperature Range ..........................-40NC to +85NC
Junction Temperature .....................................................+150NC
Storage Temperature Range ..........................-60NC to +150NC
Lead Temperature (soldering, 10s) ................................+300NC
ELECTRICAL CHARACTERISTICS
(VDD = 3.3V, VGND = 0V, TA = -40NC to +85NC, unless otherwise noted. Typical values are at TA = +25NC.)
ABSOLUTE MAXIMUM RATINGS
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
DC CHARACTERISTICS (fS = 1200ksps)
Supply VoltageVDD33.33.6V
Supply Current IDDRx mode70100mATx mode3650
High-Level Input VoltageVIH2V
Low-Level Input VoltageVIL0.8V
High-Level Output VoltageVOHSource 5mA2.4V
Low-Level Output VoltageVOLSink 5mA0.4V
Input Leakage CurrentIIL-5+5FA
Shutdown CurrentISHDNGlobal power-down mode+5FA
AC CHARACTERISTICS (fS = 1200ksps)
TRANSMITTER
DAC Resolution10Bits
DAC Sampling Rate 1200ksps
DAC Integral NonlinearityINLQ2LSB
DAC Differential NonlinearityDNLQ0.5LSB
Lowpass Filter Cutoff-Frequency
Accuracy
FCC, ARIBQ5.0CEN AQ3.0
NarrowbandQ5.0
Full bandQ5.0
Lowpass Filter -3dB Cutoff
Frequency (Note 1)
FCC, ARIB470
kHzCEN A90
Narrowband (Note 2)134
Full band560
Stopband AttenuationIncludes digital IIR
filter
FCC, ARIB28CEN A28
Narrowband28
Full band28
Output-Voltage SwingPredriver gain = 0dB,
frequency = 50kHz, 50I single-ended1.5VP-P
Total Cascaded IM3IM3In-band (Note 3)-56-50dBc
MAX2991
Power-Line Communications (PLC) Integrated
Analog Front-End Transceiver
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 3.3V, VGND = 0V, TA = -40NC to +85NC, unless otherwise noted. Typical values are at TA = +25NC.)
Note 1: Rx and Tx filter transfer functions for different bands are shown in Figure 1.
Note 2: The Applications Information section shows how to configure the Tx and Rx corner frequencies for different bands.
Note 3: Devices are tested with each tone at 0.7VP-P differential using the following two input frequencies:fIN1 = 200kHz and fIN2 = 150kHz for FCC and ARIBfIN1 = 50kHz and fIN2 = 80kHz for CENELEC AfIN1 = 60kHz and fIN2 = 100kHz for narrowbandfIN1 = 200kHz and fIN2 = 300kHz for full band
Note 4: The parameters were tested using the external highpass filter circuit in Figure 10.
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
RECEIVER (Note 4)
Input ImpedanceAt maximum gain850I
Receiver Dynamic Range60dB
Lowpass Filter Cutoff-Frequency
Accuracy
FCC, ARIBQ5.0CEN AQ3.0
NarrowbandQ5.0
Full bandQ5.0
Lowpass Filter -3dB Cutoff
Frequency (Note 1)
FCC, ARIB490
kHzCEN A100
Narrowband (Note 2)140
Full band560
Stopband Attenuation
FCC, ARIB32 CEN A32
Narrowband32
Full band32
ADC Resolution10Bits
ADC Sampling Rate1200ksps
ADC Integral NonlinearityINLQ0.5LSB
ADC Differential NonlinearityDNLQ0.5LSB
Total Cascaded IM3IM3-70-60dBc
MAX2991
Power-Line Communications (PLC) Integrated
Analog Front-End Transceiver
Tx FILTER TRANSFER FUNCTION (CENELEC A)
FREQUENCY (kHz)
AMPLITUDE (dBm)
Tx FILTER TRANSFER FUNCTION (NARROWBAND)
FREQUENCY (kHz)
AMPLITUDE (dBm)
Tx FILTER TRANSFER FUNCTION (FCC)
FREQUENCY (kHz)
AMPLITUDE (dBm)
Tx FILTER TRANSFER FUNCTION (FULL BAND)
FREQUENCY (kHz)
AMPLITUDE (dBm)
Rx FILTER TRANSFER FUNCTION (CENELEC A)
FREQUENCY (kHz)
AMPLITUDE (dBm)
Rx FILTER TRANSFER FUNCTION (NARROWBAND)
FREQUENCY (kHz)
AMPLITUDE (dBm)
Rx FILTER TRANSFER FUNCTION (FCC)
FREQUENCY (kHz)
AMPLITUDE (dBm)
Rx FILTER TRANSFER FUNCTION (FULL BAND)
FREQUENCY (kHz)
AMPLITUDE (dBm)
MAX2991 toc00MAX2991 toc01
MAX2991 toc02MAX2991 toc03
MAX2991 toc04MAX2991 toc05
MAX2991 toc06MAX2991 toc07
MAX2991
Power-Line Communications (PLC) Integrated
Analog Front-End Transceiver
SPI™ TIMING CHARACTERISTICS (Figure 2)
Figure 2. SPI Interface Timing Diagram
Figure 3. SPI Communication Protocol
SCLK
tCSS0
tCH
tDS
tDH
tCSH0
SDIN
SDOUT
tDO1
tDO2
tCLtCSS1
tCSW
tCPtCSH1
SCLK1A6A5A4A3A2A1A0R/WD15
D15
D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0
D14D13D12D11D10D9D8D7D6D5D4D3D2D1D03456789101112131415161718192021222324
SDIN
SDOUT
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
SCLK FrequencyfCLK20MHz
SCLK Clock PeriodtCP50ns
SCLK Pulse-Width HightCH20ns
SCLK Pulse-Width LowtCL20ns
CS Low to SCLK SetuptCSS010ns
CS Low After SCLK HoldtCSH010ns
CS High to SCLK SetuptCSS110ns
CS High After SCLK HoldtCSH110ns
CS Pulse-Width HightCSW20ns
SDIN to SCLK SetuptDS10ns
SDIN Hold After SCLKtDH10ns
SDOUT Valid Before SCLKtDO120ns
SDOUT Valid After SCLKtDO25ns
MAX2991
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