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MAX11044ETN+ |MAX11044ETNMAXIMN/a16avai4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs
MAX11045ETN+ |MAX11045ETNMAXIM/DALLASN/a24avai4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs
MAX11045ETN+ |MAX11045ETNMAXIMN/a60avai4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs
MAX11046ETN+MAXIMN/a1500avai4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs
MAX11056ECB+ |MAX11056ECBMAXIMN/a100avai4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs


MAX11046ETN+ ,4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCsfeatures include a 4MHz T/H input bandwidth, internal clock,♦ Fast 3µs Conversion Timeand internal ..
MAX11047ECB+ ,4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCsApplications(10mm x 10mm) PackagesAutomatic Test Equipment ♦ Evaluation Kit Available (MAX11046EVKI ..
MAX11048ECB+ ,4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCsMAX11047–MAX11049/MAX11057–MAX1105919-5106; Rev 2; 1/114-/6-/8-Channel, 16-/14-Bit,Simultaneous-Sam ..
MAX11048ETN+ ,4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCsApplications(10mm x 10mm) PackagesAutomatic Test Equipment ♦ Evaluation Kit Available (MAX11046EVKI ..
MAX11048ETN+ ,4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCsfeatures include a 4MHz T/H input band-width, internal clock, and internal or external reference.♦ ..
MAX11049ETN+ ,4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCsELECTRICAL CHARACTERISTICS(V = 4.75V to 5.25V, V = +2.7V to 5.25V, V = V = V = 0V, V = internal ref ..
MAX3441EASA ,15kV ESD-Protected / 60V Fault-Protected / 10Mbps / Fail-Safe RS-485/J1708 Transceivers
MAX3442EASA+ ,±15kV ESD-Protected, ±60V Fault-Protected, 10Mbps, Fail-Safe RS-485/J1708 Transceivers
MAX3442EESA ,15kV ESD-Protected / 60V Fault-Protected / 10Mbps / Fail-Safe RS-485/J1708 Transceivers
MAX3442EESA+ ,±15kV ESD-Protected, ±60V Fault-Protected, 10Mbps, Fail-Safe RS-485/J1708 Transceivers
MAX3442EESA+T ,±15kV ESD-Protected, ±60V Fault-Protected, 10Mbps, Fail-Safe RS-485/J1708 Transceivers
MAX3443ECSA ,15kV ESD-Protected / 60V Fault-Protected / 10Mbps / Fail-Safe RS-485/J1708 Transceivers


MAX11044ETN+-MAX11045ETN+-MAX11046ETN+-MAX11056ECB+
4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs
MAX11044/MAX11044B/MAX11045/
MAX11045B/MAX11046/MAX11046B/
MAX11054/MAX11055/MAX11056
4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs

EVALUATION KIT AVAILABLE
General Description

The MAX11044/MAX11044B/MAX11045/MAX11045B/
MAX11046/MAX11046B 16-bit and MAX11054/MAX11055/
MAX11056 14-bit ADCs offer 4, 6, or 8 independent input
channels. Featuring independent track and hold (T/H) and
SAR circuitry, these parts provide simultaneous sampling
at 250ksps for each channel.
The MAX11044/MAX11044B/MAX11045/MAX11045B/
MAX11046/MAX11046B and MAX11054/MAX11055/
MAX11056 accept a ±5V input. All inputs are overrange pro-
tected with internal ±20mA input clamps providing over-
range protection with a simple external resistor. Other
features include a 4MHz T/H input bandwidth, internal clock,
and internal or external reference. A 20MHz, bidirectional,
parallel interface provides the conversion results and
accepts digital configuration inputs.
The MAX11044/MAX11044B/MAX11045/MAX11045B/
MAX11046/MAX11046B and MAX11054/MAX11055/
MAX11056 operate with a 4.75V to 5.25V analog supply and
a separate flexible 2.7V to 5.25V digital supply for interfacing
with the host without a level shifter. The MAX11044/
MAX11044B/MAX11045/MAX11045B/MAX11046/
MAX11046B are available in a 56-pin TQFN and 64-pin
TQFP packages while the MAX11054/MAX11055/
MAX11056 are available in TQFP only and operate over
the extended -40°C to +85°C temperature range.
Applications

Automatic Test Equipment
Power-Factor Monitoring and Correction
Power-Grid Protection
Multiphase Motor Control
Vibration and Waveform Analysis
Features
16-Bit ADC (MAX11044/MAX11044B/MAX11045/
MAX11045B/MAX11046/MAX11046B) and
14-Bit ADC (MAX11054/MAX11055/MAX11056)
8-Channel ADC (MAX11046/MAX11046B/MAX11056)
6-Channel ADC (MAX11045/MAX11045B/MAX11055)
4-Channel ADC (MAX11044/MAX11044B/MAX11054)
Single Analog and Digital SupplyHigh-Impedance Inputs Up to 1GΩOn-Chip T/H Circuit for Each ChannelFast 3µs Conversion TimeHigh Throughput: 250ksps for Each Channel16-Bit/14-Bit, High-Speed, Parallel InterfaceInternal Clocked Conversions10ns Aperture Delay100ps Channel-to-Channel T/H MatchingLow Drift, Accurate 4.096V Internal Reference
Providing an Input Range of ±5V
External Reference Range of 3.0V to 4.25V,
Allowing Full-Scale Input Ranges of ±4.0V to ±5.2V
56-Pin (8mm x 8mm) TQFN and 64-Pin
(10mm x 10mm) TQFP Packages
Evaluation Kit Available
Ordering Information
PARTPIN-PACKAGECHANNELS
MAX11044ETN+
56 TQFN-EP*4
MAX11044ECB+64 TQFP-EP*4
MAX11044BETN+
56 TQFN-EP*4
MAX11044BECB+64 TQFP-EP*4
MAX11045ETN+
56 TQFN-EP*6
MAX11045ECB+64 TQFP-EP*6
MAX11045BETN+
56 TQFN-EP*6
MAX11045BECB+64 TQFP-EP*6
Note:
All devices are specified over the -40°C to +85°C operating
temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Functional Diagram

CLAMPS/H16-/14-BIT ADC
CLAMPS/H16-/14-BIT ADC
REF BUF
CONFIGURATION
REGISTERS
INTERFACE
AND
CONTROL
BANDGAP
REFERENCE
8 x 16-/14-BIT REGISTERS
BIDIRECTIONAL DRIVERS
CH0
AVDD
AGNDS
AGND
CH7†
DB15**
DB0/CR0
DB3/CR3
DB4
EOC
SHDN
CONVST
DGND
DVDD
RDC
RDC_SENSE*
**MAX11044/MAX11045/MAX11046
†MAX11046/MAX11056
REFIO
INT REF10kΩ
EXT REF
*CONNECTED INTERNALLY TO RDC ON THE TQFN PARTS
MAX11044/MAX11044B/
MAX11045/MAX11045B/
MAX11046/MAX11046B
MAX11054/MAX11055/MAX11056
Ordering Information continued at end of data sheet.
4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
MAX11044/MAX11044B/MAX11045/MAX11045B/
MAX11046/MAX11046B/MAX11054/MAX11055/MAX11056
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS

(VAVDD= +4.75V to +5.25V, VDVDD= +2.70V to +5.25V, VAGNDS= VAGND= VDGND= 0V, VREFIO= internal reference, CRDC= 4 x
33μF, CREFIO= 0.1μF, CAVDD = 4 x 0.1μF || 10μF, CDVDD = 3 x 0.1μF || 10μF; all digital inputs at DVDDor DGND, unless otherwise
noted, fSAMPLE= 250ksps. TA= -40°Cto +85°C, unless otherwise noted. Typical values are at TA= +25°C.)
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.
AVDD to AGND........................................................-0.3V to +6V
DVDD to AGND and DGND.....................................-0.3V to +6V
DGND to AGND.....................................................-0.3V to +0.3V
AGNDS to AGND...................................................-0.3V to +0.3V
CH0–CH7 to AGND...............................................-7.5V to +7.5V
REFIO, RDC to AGND..................................-0.3V to the lower of
(VAVDD+ 0.3V) and +6V
EOC, WR, RD, CS, CONVST to AGND.........-0.3V to the lower of
(VDVDD+ 0.3V) and +6V
DB0–DB15 to AGND....................................-0.3V to the lower of
(VDVDD+ 0.3V) and +6V
Maximum Current into Any Pin Except AVDD, DVDD, AGND,
DGND...........................................................................±50mA
Continuous Power Dissipation
56-Pin TQFN (derate 47.6mW/°C above +70°C)....3809.5mW
64-Pin TQFP (derate 43.5mW/°C above +70°C)........3478mW
Operating Temperature Range...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Soldering Temperature (reflow).......................................+260°C
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
STATIC PERFORMANCE (Note 1)

MAX11044/MAX11045/MAX1104616ResolutionNMAX11054/MAX11055/MAX1105614Bits
MAX11044/MAX11045/MAX11046-2±0.4+2
MAX11054/MAX11055/MAX11056-0.8±0.13+0.8Integral NonlinearityINL
MAX11044B/MAX11045B/MAX11046B-3+3
LSB
MAX11044/MAX11045/MAX11046-1±0.4+1.2Differential NonlinearityDNLMAX11054/MAX11055/MAX11056-0.6±0.15+0.6LSB
MAX11044/MAX11044B/MAX11045/
MAX11045B/MAX11046/MAX11046B16No Missing Codes
MAX11054/MAX11055/MAX1105614
Bits
Offset Error±0.001±0.015%FSR
Channel Offset Matching±0.001±0.015%FSR
Offset Temperature Coefficient±0.8μV/°C
Gain Error±0.015%FSR
Positive Full-Scale Error±0.015%FSR
Negative Full-Scale Error±0.015%FSR
Positive Full-Scale Error Matching±0.01%FSR
Negative Full-Scale Error Matching±0.01%FSR
Channel Gain-Error MatchingBetween all channels±0.01%FSR
Gain Temperature Coefficient±0.5ppm/°C
DYNAMIC PERFORMANCE

MAX11044/MAX11044B/
MAX11045/MAX11045B/
MAX11046/MAX11046B92.3
Signal-to-Noise RatioSNR
fIN =
10kHz,
full-scale
inputM AX11054/M AX 11055/84.585.2
4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
MAX11044/MAX11044B/MAX11045/MAX11045B/
MAX11046/MAX11046B/MAX11054/MAX11055/MAX11056
ELECTRICAL CHARACTERISTICS (continued)

(VAVDD= +4.75V to +5.25V, VDVDD= +2.70V to +5.25V, VAGNDS= VAGND= VDGND= 0V, VREFIO= internal reference, CRDC= 4 x
33μF, CREFIO= 0.1μF, CAVDD = 4 x 0.1μF || 10μF, CDVDD = 3 x 0.1μF || 10μF; all digital inputs at DVDDor DGND, unless otherwise
noted, fSAMPLE= 250ksps. TA= -40°Cto +85°C, unless otherwise noted. Typical values are at TA= +25°C.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

MAX 11044/ MAX11045/
MAX1104690.592
MAX 11054/ MAX11055/
MAX1105684.585.2Signal-to-Noise and Distortion
RatioSINADfIN = 10kHz,
full-scale input
MAX11044B/MAX11045B/
MAX11046B87.5
MAX 11044/ MAX11045/
MAX1104698104
MAX 11054/ MAX11055/
MAX1105695104Spurious-Free Dynamic RangeSFDRfIN = 10kHz,
full-scale input
MAX11044B/MAX11045B/
MAX11046B90
MAX 11044/ MAX11045/
MAX11046-104-98
MAX 11054/ MAX11055/
MAX11056-104-95Total Harmonic DistortionTHDfIN = 10kHz,
full-scale input
MAX11044B/MAX11045B/
MAX11046B-90
Channel-to-Channel CrosstalkfIN = 60Hz, full scale and ground on
adjacent channel (Note 2)-126-100dB
ANALOG INPUTS (CH0–CH7)

Input Voltage Range(Note 3)±1.22 x
VREFIOV
Input Leakage Current-1+1μA
Input Capacitance15pF
Input-Clamp Protection CurrentEach input simultaneously-20+20mA
TRACK AND HOLD

Throughput RatePer channel1250ksps
Acquisition TimetACQ11000μs
-3dB point4Full-Power Bandwidth-0.1dB point> 0.2MHz
Aperture Delay10ns
Aperture-Delay Matching100ps
Aperture Jitter50psRMS
INTERNAL REFERENCE

REFIO VoltageVREF4.084.0964.112V
REFIO Temperature Coefficient±5ppm/°C
EXTERNAL REFERENCE

Input Current-10+10μA
REF Voltage-Input RangeVREF3.004.25V
REF Input Capacitance15pF
4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
MAX11044/MAX11044B/MAX11045/MAX11045B/
MAX11046/MAX11046B/MAX11054/MAX11055/MAX11056
ELECTRICAL CHARACTERISTICS (continued)

(VAVDD= +4.75V to +5.25V, VDVDD= +2.70V to +5.25V, VAGNDS= VAGND= VDGND= 0V, VREFIO= internal reference, CRDC= 4 x
33µF, CREFIO= 0.1µF, CAVDD = 4 x 0.1µF || 10µF, CDVDD = 3 x 0.1µF || 10µF; all digital inputs at DVDDor DGND, unless otherwise
noted, fSAMPLE= 250ksps. TA= -40°Cto +85°C, unless otherwise noted. Typical values are at TA= +25°C.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
DIGITAL INPUTS (CR0–CR3, RD, WR, CS, CONVST)

Input Voltage HighVIHVDVDD = 2.7V to 5.25V2V
Input Voltage LowVILVDVDD = 2.7V to 5.25V0.8V
Input CapacitanceCIN10pF
Input CurrentIINVIN = 0V or VDVDD±10µA
DIGITAL OUTPUTS (DB0–DB15, EOC)

Output Voltage HighVOHISOURCE = 1.2mAVDVDD -
0.4V
Output Voltage LowVOLISINK = 1mA0.250.4V
Three-State Leakage CurrentDB0–DB15, VRD ≥ VIH or VCS ≥ VIH10µA
Three-State Output CapacitanceDB0–DB15, VRD ≥ VIH or VCS ≥ VIH15pF
Analog Supply VoltageAVDD4.755.25V
Digital Supply VoltageDVDD2.705.25V
MAX11046/MAX11046B/MAX11056,
VAVDD = 5V48
MAX11045/MAX11045B/MAX11055,
VAVDD = 5V39Analog Supply CurrentIAVDD
MAX11044/MAX11044B/MAX11054,
VAVDD = 5V30
MAX11046/MAX11046B/MAX11056,
VDVDD = 3.3V7.0
MAX11045/MAX11045B/MAX11055,
VDVDD = 3.3V6.5Digital Supply Current (Note 9)IDVDD
MAX11044/MAX11044B/MAX11054,
VDVDD = 3.3V5.5
IDVDD10Shutdown CurrentIAVDD10
MAX11044/MAX11044B/
MAX11045/MAX11045B/
MAX11046/MAX11046B
Power-Supply RejectionPSR
VAVDD =
4.9V to
5.1V
(Note 5)MAX11054/MAX11055/
MAX11056±0.25
LSB
TIMING CHARACTERISTICS (Note 4)

CONVST Rise to EOCtCONConversion time (Note 6)3µs
Acquisition TimetACQ11000µs
CS Rise to CONVST RisetQSample quiet time (Note 6)500ns
CONVST Rise to EOC Riset047140ns
EOC Fall to CONVST Fallt1CONVST mode B0 = 0 only (Note 7)0ns
CONVST Low Timet2CONVST mode B0 = 1 only20ns
4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
MAX11044/MAX11044B/MAX11045/MAX11045B/
MAX11046/MAX11046B/MAX11054/MAX11055/MAX11056
ELECTRICAL CHARACTERISTICS (continued)

(VAVDD= +4.75V to +5.25V, VDVDD= +2.70V to +5.25V, VAGNDS= VAGND= VDGND= 0V, VREFIO= internal reference, CRDC= 4 x
33μF, CREFIO= 0.1μF, CAVDD = 4 x 0.1μF || 10μF, CDVDD = 3 x 0.1μF || 10μF; all digital inputs at DVDDor DGND, unless otherwise
noted, fSAMPLE= 250ksps. TA= -40°Cto +85°C, unless otherwise noted. Typical values are at TA= +25°C.)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

CS Fall to WR Fallt30ns
WR Low Timet420ns
CS Rise to WR Riset50ns
Input Data Setup Timet610ns
Input Data Hold Timet71ns
CS Fall to RD Fallt80ns
RD Low Timet930ns
RD Rise to CS Riset100ns
RD High Timet1110ns
RD Fall to Data Validt1235ns
RD Rise to Data Hold Timet13(Note 7)5ns
Note 1:
See the Definitionssection at the end of the data sheet.
Note 2:
Tested with alternating channels modulated at full scale and ground.
Note 3:
See the Input Range and Protectionsection for more details.
Note 4:
CLOAD= 30pF on DB0–DB15 and EOC. Inputs (CH0–CH7) alternate between full scale and zero scale. fCONV= 250ksps.
All data is read out.
Note 5:
Defined as the change in positive full scale caused by a ±2% variation in the nominal supply voltage.
Note 6:
It is recommended that RD, WR, and CSare kept high for the quiet time (tQ) and conversion time (tCON).
Note 7:
Guaranteed by design.
INTEGRAL NONLINEARITY vs. CODE
(A-GRADE)
MAX11044 toc01
OUTPUT CODE (DECIMAL)
INL (LSB)
VAVDD = 5.25V
VDVDD = 3.3V
fSAMPLE = 250ksps
TA = +25°C
VRDC = 4.096V
64 HITS PER CODE
INTEGRAL NONLINEARITY vs. CODE
(B-GRADE)
MAX11044 toc01a
OUTPUT CODE (DECIMAL)
INL (LSB)
VAVDD = 5.25V
VDVDD = 3.3V
fSAMPLE = 250ksps
TA = +25°C
VRDC = 4.096V
64 HITS PER CODE
DIFFERENTIAL NONLINEARITY
vs. CODE (A-GRADE)
MAX11044 toc02
OUTPUT CODE (DECIMAL)
DNL (LSB)
VAVDD = 5.25V
VDVDD = 3.3V
fSAMPLE = 250ksps
TA = +25°C
VRDC = 4.096V
64 HITS PER CODE
Typical Operating Characteristics

(VAVDD= 5V, VDVDD= 3.3V, TA= +25°C, fSAMPLE= 250ksps, internal reference, unless otherwise noted.)
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