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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX11047 Datasheet

4-/6-/8-Channel 16-Bit Simultaneous-Sampling ADCs

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MAX11047 pdf
19-5106; Rev 0; 12/09
EVAALVUAAILTAIOBNLEKIT
www.DataSheet4U.com
4-/6-/8-Channel, 16-Bit,
Simultaneous-Sampling ADCs
General Description
The MAX11047/MAX11048/MAX11049 16-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 MAX11047/MAX11048/MAX11049 accept a 0 to
+5V input. All inputs are overrange protected with inter-
nal ±20mA input clamps providing overrange protec-
tion with a simple external resistor. Other features
include a 4MHz T/H input bandwidth, internal clock,
and internal or external reference. A 20MHz, 16-bit,
bidirectional, parallel interface provides the conversion
results and accepts digital configuration inputs.
The MAX11047/MAX11048/MAX11049 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 MAX11047/MAX11048/MAX11049
are available in a 56-pin TQFN package 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
Functional Diagram
AVDD
CH0
CLAMP S/H 16-BIT ADC
CH7
CLAMP S/H 16-BIT ADC
AGNDS
AGND
MAX11047
MAX11048
MAX11049
REFIO
BANDGAP
REFERENCE
INT REF
EXT REF
REF
BUF
DVDD
DB15
DB4
DB3
DB0
CONFIGURATION
REGISTERS
INTERFACE
AND
CONTROL
WR
RD
CS
CONVST
SHDN
EOC
RDC
DGND
Features
o 4-/6-/8-Channel 16-Bit ADC
o Single Analog and Digital Supply
o High-Impedance Inputs Up to 1GΩ
o On-Chip T/H Circuit for Each Channel
o Fast 3µs Conversion Time
o High Throughput: 250ksps for All 8 Channels
o 16-Bit, High-Speed, Parallel Interface
o Internal Clocked Conversions
o 10ns Aperture Delay
o 100ps Channel-to-Channel T/H Matching
o Low Drift, Accurate 4.096V Internal Reference
Providing an Input Range of 0 to 5V
o External Reference Range of 3.0V to 4.25V,
Allowing Full-Scale Input Ranges of +3.7V to
+5.2V
o 56-Pin TQFN Package (8mm x 8mm)
o Evaluation Kit Available
Ordering Information
PART
PIN-PACKAGE
CHANNELS
MAX11047ETN+
56 TQFN-EP*
4
MAX11048ETN+
56 TQFN-EP*
6
MAX11049ETN+
56 TQFN-EP*
8
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.
Pin Configuration
TOP VIEW
42 41 40 39 38 37 36 35 34 33 32 31 30 29
RDC 43
AGNDS 44
CH7 45
AGND 46
AVDD 47
AGNDS 48
RDC 49
DGND 50
DVDD 51
WR 52
CS 53
MAX11047
MAX11048
MAX11049
28 RDC
27 AGNDS
26 CH0
25 AGND
24 AVDD
23 AGNDS
22 RDC
21 DGND
20 DVDD
19 SHDN
18 CONVST
RD 54
DB15 55
DB14 56
+
17 EOC
*EP 16 DB0
15 DB1
1 2 3 4 5 6 7 8 9 10 11 12 13 14
TQFN
____________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.



Maxim Integrated Semiconductor Electronic Components Datasheet

MAX11047 Datasheet

4-/6-/8-Channel 16-Bit Simultaneous-Sampling ADCs

No Preview Available !

MAX11047 pdf
4-/6-/8-Channel, 16-Bit,
Simultaneous-Sampling ADCs
www.DataSheet4U.com
ABSOLUTE MAXIMUM RATINGS
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 ...............................................-2.5V to +7.5V
REFIO, RDC to AGND ..................................-0.3V to the lower of
(AVDD + 0.3V) and +6V
EOC, WR, RD, CS, CONVST to AGND.........-0.3V to the lower of
(DVDD + 0.3V) and +6V
DB0–DB15 to AGND ....................................-0.3V to the lower of
(DVDD + 0.3V) and +6V
Maximum Current into Any Pin Except AVDD, DVDD, AGND,
DGND ...........................................................................±50mA
Continuous Power Dissipation (TA = +70°C)
56-Pin TQFN (derated 36mW/°C above +70°C) ........2222mW
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
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.
ELECTRICAL CHARACTERISTICS
(AVDD = 4.75V to 5.25V, DVDD = +2.7V 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 DVDD or DGND, unless otherwise noted.
TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
STATIC PERFORMANCE (Note 1)
Resolution
N
Integral Nonlinearity
INL
Integral Nonlinearity
INL
Differential Nonlinearity
DNL
Differential Nonlinearity
DNL
No Missing Codes
Offset Error
Offset Temperature Coefficient
Channel Offset Matching
Gain Error
Positive Full-Scale Error
Positive Full-Scale Error Matching
Channel Gain-Error Matching
Gain Temperature Coefficient
DYNAMIC PERFORMANCE (Note 4)
Signal-to-Noise Ratio
SNR
Signal-to-Noise and Distortion Ratio SINAD
Spurious-Free Dynamic Range
SFDR
Total Harmonic Distortion
THD
Channel-to-Channel Crosstalk
CONDITIONS
(Note 2)
(Note 3)
(Note 2)
(Note 3)
Between all channels
fIN = 10kHz, full-scale input
fIN = 10kHz, full-scale input
fIN = 10kHz, full-scale input
fIN = 10kHz, full-scale input
fIN = 60Hz, full scale and ground on
adjacent channel (Note 5)
MIN TYP MAX UNITS
16 Bits
-2 ±0.6 +2 LSB
±0.8
LSB
> -1 ±0.6 < +1.3 LSB
±0.7
LSB
16 Bits
±0.002 ±0.01 %FSR
±2.4
μV/°C
±0.01 %FSR
±0.03 %FSR
±0.02 %FSR
±0.02 %FSR
±0.03 %FSR
±0.8
ppm/°C
91 92.3
90.5 92
95 106
-105
-95
-126
-100
dB
dB
dB
dB
dB
ANALOG INPUTS (CH0–CH7)
Input Voltage Range
Input Leakage Current
(Note 6)
1.22 x
0
VREFIO
V
-1 +1 μA
2 _______________________________________________________________________________________



Maxim Integrated Semiconductor Electronic Components Datasheet

MAX11047 Datasheet

4-/6-/8-Channel 16-Bit Simultaneous-Sampling ADCs

No Preview Available !

MAX11047 pdf
www.DataSheet4U.com
4-/6-/8-Channel, 16-Bit,
Simultaneous-Sampling ADCs
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = 4.75V to 5.25V, DVDD = +2.7V 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 DVDD or DGND, unless otherwise noted.
TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
Input Capacitance
Input-Clamp Protection Current
Each input simultaneously
TRACK AND HOLD
Throughput Rate
Per channel, 8 channels in 4μs
Acquisition Time
Full-Power Bandwidth
tACQ
-3dB point
-0.1dB point
Aperture Delay
Aperture-Delay Matching
Aperture Jitter
INTERNAL REFERENCE
REFIO Voltage
VREF
REFIO Temperature Coefficient
EXTERNAL REFERENCE
Input Current
REF Voltage Input Range
VREF
REF Input Capacitance
DIGITAL INPUTS (DB0–DB15, RD, WR, CS, CONVST)
Input-Voltage High
VIH VDVDD = 2.7V to 5.25V
Input-Voltage Low
Input Capacitance
VIL VDVDD = 2.7V to 5.25V
CIN
Input Current
IIN
DIGITAL OUTPUTS (DB0–DB15, EOC)
VIN = 0 or VDVDD
Output-Voltage High
VOH
ISOURCE = 1.2mA
Output-Voltage Low
Three-State Leakage Current
Three-State Output Capacitance
POWER SUPPLIES (MAX11047)
Analog Supply Voltage
Digital Supply Voltage
Analog Supply Current
Digital Supply Current
Shutdown Current
Shutdown Current
Power-Supply Rejection Ratio
VOL ISINK = 1mA
DB0–DB15, VRD VIH or VCS VIH
DB0–DB15, VRD VIH or VCS VIH
AVDD
DVDD
IAVDD
IDVDD
PSRR
VDVDD = 3.3V (Note 7)
For DVDD
For AVDD
VAVDD = 4.9V to 5.1V (Note 8)
MIN TYP MAX UNITS
15 pF
-20 +20 mA
250 ksps
1 μs
4
> 0.2
MHz
10 ns
100 ps
50 psRMS
4.073
4.096
±5
4.119
V
ppm/°C
-10 +10 μA
3.00 4.25 V
15 pF
2V
0.8 V
10 pF
±10 μA
VDVDD -
0.4
15
4.75
2.70
±0.5
0.4
10
5.25
5.25
32
5.7
10
12
V
V
μA
pF
V
V
mA
mA
μA
μA
LSB
_______________________________________________________________________________________ 3




Part Number MAX11047
Description 4-/6-/8-Channel 16-Bit Simultaneous-Sampling ADCs
Maker Maxim Integrated Products
Total Page 18 Pages
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