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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX11046 Datasheet

(MAX11044 - MAX11046) Simultaneous-Sampling ADCs

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MAX11046 pdf
19-5036; Rev 0; 10/09
EVAALVUAAILTAIOBNLEKIT
4-/6-/8-Channel, 16-Bit,
Simultaneous-Sampling ADCs
General Description
The MAX11044/MAX11045/MAX1104616-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/MAX11045/MAX11046 accept a ±5V
input. All inputs are overrange protected with internal
±20mA input clamps providing overrange protection
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 MAX11044/MAX11045/MAX11046 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/MAX11045/MAX11046
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
Patent pending.
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Functional Diagram
AVDD
CH0
CLAMP S/H 16-BIT ADC
CH7
CLAMP S/H 16-BIT ADC
AGNDs
AGND
MAX11044
MAX11045
MAX11046
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
4-/6-/8-Channel 16-Bit ADC
Single Analog and Digital Supply
High-Impedance Inputs Up to 1G
On-Chip T/H Circuit for Each Channel
Fast 3µs Conversion Time
High Throughput: 250ksps for All 8 Channels
16-Bit, High-Speed, Parallel Interface
Internal Clocked Conversions
10ns Aperture Delay
100ps Channel-to-Channel T/H Matching
Low 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 TQFN Package (8mm x 8mm)
Evaluation Kit Available
Ordering Information
PART
PIN-PACKAGE
CHANNELS
MAX11044ETN+
56 TQFN-EP*
4
MAX11045ETN+
56 TQFN-EP*
6
MAX11046ETN+
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
MAX11044
MAX11045
MAX11046
28 RDC
27 AGNDS
26 CH0
25 AGND
24 AVDD
23 AGNDS
22 RDC
21 DGND
20 DVDD
WR 52
CS 53
RD 54
DB15 55
DB14 56
+
19 SHDN
18 CONVST
17 EOC
*EP 16 DB0
15 DB1
1 2 3 4 5 6 7 8 9 10 11 12 13 14
TQFN
8mm x 8mm
________________________________________________________________ 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

MAX11046 Datasheet

(MAX11044 - MAX11046) Simultaneous-Sampling ADCs

No Preview Available !

MAX11046 pdf
4-/6-/8-Channel, 16-Bit,
Simultaneous-Sampling ADCs
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 ...............................................-7.5V 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
56-Pin TQFN (derate 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 = +2.70V 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 DVDD or DGND, unless otherwise
noted, fSAMPLE = 250ksps. TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
STATIC PERFORMANCE (Note 1)
Resolution
SYMBOL
N
Integral Nonlinearity
INL
Differential Nonlinearity
DNL
No Missing Codes
Offset Error
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Channel Offset Matching
Offset Temperature Coefficient
Gain Error
Positive Full-Scale Error
Negative Full-Scale Error
Positive Full-Scale Error Matching
Negative Full-Scale Error Matching
Channel Gain-Error Matching
Gain Temperature Coefficient
DYNAMIC PERFORMANCE (Note 6)
Signal-to-Noise Ratio
Signal-to-Noise and Distortion Ratio
Spurious-Free Dynamic Range
Total Harmonic Distortion
SNR
SINAD
SFDR
THD
Channel-to-Channel Crosstalk
CONDITIONS
(Note 2)
(Note 3)
(Note 4)
(Note 5)
(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 7)
MIN TYP MAX UNITS
16 Bits
>-2 ±0.8 <+2
LSB
±0.7
> -1 ±0.5 < +1.2
> -1 ±0.7 < +1.5 LSB
±0.45
16 Bits
±0.002 ±0.01 %FSR
±0.01 %FSR
±2.4
µV/°C
±0.03 %FSR
±0.02 %FSR
±0.02 %FSR
±0.02 %FSR
±0.02 %FSR
±0.03 %FSR
±0.8
ppm/°C
91 92.3
90.5 92
95 106
-105
-126
-95
-100
dB
dB
dB
dB
dB
2 _______________________________________________________________________________________


Part Number MAX11046
Description (MAX11044 - MAX11046) Simultaneous-Sampling ADCs
Maker Maxim Integrated Products
Total Page 19 Pages
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