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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX1320 Datasheet

(MAX13xx) Simultaneous-Sampling ADCs

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MAX1320 pdf
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19-3157; Rev 2; 8/04
8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
General Description
The MAX1316–MAX1318/MAX1320–MAX1322/MAX1324–
MAX1326 14-bit, analog-to-digital converters (ADCs) offer
two, four, or eight independent input channels.
Independent track/hold (T/H) circuitry provides simultane-
ous sampling for each channel. The MAX1316/
MAX1317/MAX1318 have a 0 to +5V input range with
±6.0V fault-tolerant inputs. The MAX1320/MAX1321/
MAX1322 have a ±5V input range with ±16.5V fault-toler-
ant inputs. The MAX1324/MAX1325/MAX1326 have a
±10V input range with ±16.5V fault-tolerant inputs. These
ADCs convert two channels in 2µs, and up to eight chan-
nels in 3.8µs, and have an 8-channel throughput of
250ksps per channel. Other features include a 10MHz
T/H input bandwidth, internal clock, internal (+2.5V) or
external (+2.0V to +3.0V) reference, and power-
saving modes.
A 16.6MHz, 14-bit, bidirectional, parallel interface pro-
vides the conversion results and accepts digital config-
uration inputs.
These devices operate from a +4.75V to +5.25V analog
supply and a separate +2.7V to +5.25V digital supply,
and consume less than 50mA total supply current.
These devices come in a 48-pin TQFP package and oper-
ate over the extended -40°C to +85°C temperature range.
Applications
Multiphase Motor Control
Power-Grid Synchronization
Power-Factor Monitoring and Correction
Vibration and Waveform Analysis
Selector Guide
PART
MAX1316ECM
MAX1317ECM
MAX1318ECM
MAX1320ECM
MAX1321ECM
MAX1322ECM
MAX1324ECM
MAX1325ECM
MAX1326ECM
INPUT RANGE (V)
0 to +5
0 to +5
0 to +5
±5
±5
±5
±10
±10
±10
CHANNEL COUNT
8
4
2
8
4
2
8
4
2
Pin Configurations and Typical Operating Circuits appear at
end of data sheet.
Features
8-/4-/2-Channel, 14-Bit ADCs
±1.5 LSB INL, ±1 LSB DNL, No Missing Codes
90dBc SFDR, -86dBc THD, 76.5dB SINAD, 77dB
SNR at 100kHz Input
On-Chip T/H Circuit for Each Channel
10ns Aperture Delay
50ps Channel-to-Channel T/H Matching
Fast Conversion Time
One Channel in 1.6µs
Two Channels in 1.9µs
Four Channels in 2.5µs
Eight Channels in 3.7µs
High Throughput
526ksps/ch for One Channel
455ksps/ch for Two Channels
357ksps/ch for Four Channels
250ksps/ch for Eight Channels
Flexible Input Ranges
0 to +5V (MAX1316/MAX1317/MAX1318)
±5V (MAX1320/MAX1321/MAX1322)
±10V (MAX1324/MAX1325/MAX1326)
No Calibration Needed
14-Bit, High-Speed, Parallel Interface
Internal or External Clock
+2.5V Internal Reference or +2.0V to +3.0V
External Reference
+5V Analog Supply, +3V to +5V Digital Supply
46mA Analog Supply Current (typ)
1.6mA Digital Supply Current (max)
Shutdown and Power-Saving Modes
48-Pin TQFP Package (7mm 7mm Footprint)
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX1316ECM
-40°C to +85°C 48 TQFP
MAX1317ECM
-40°C to +85°C 48 TQFP
MAX1318ECM
-40°C to +85°C 48 TQFP
MAX1320ECM
-40°C to +85°C 48 TQFP
MAX1321ECM
-40°C to +85°C 48 TQFP
MAX1322ECM
-40°C to +85°C 48 TQFP
MAX1324ECM
-40°C to +85°C 48 TQFP
MAX1325ECM
-40°C to +85°C 48 TQFP
MAX1326ECM
-40°C to +85°C 48 TQFP
*Future product—contact factory for availability.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX1320 Datasheet

(MAX13xx) Simultaneous-Sampling ADCs

No Preview Available !

MAX1320 pdf
8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
ABSOLUTE MAXIMUM RATINGS
AVDD to AGND .........................................................-0.3V to +6V
DVDD to DGND.........................................................-0.3V to +6V
AGND to DGND.....................................................-0.3V to +0.3V
CH0–CH7, I.C. to AGND (MAX1316/MAX1317/MAX1318)...±6.0V
CH0–CH7, I.C. to AGND (MAX1320/MAX1321/MAX1322).±16.5V
CH0–CH7, I.C. to AGND (MAX1324/MAX1325/MAX1326).±16.5V
INTCLK/EXTCLK to AGND .......................-0.3V to (AVDD + 0.3V)
EOC, EOLC, WR, RD, CS to DGND .........-0.3V to (DVDD + 0.3V)
CONVST, CLK, SHDN,
ALLON to DGND..................................-0.3V to (DVDD + 0.3V)
MSV, REFMS, REF to AGND.....................-0.3V to (AVDD + 0.3V)
REF+, COM, REF- to AGND.....................-0.3V to (AVDD + 0.3V)
D0–D13 to DGND ....................................-0.3V to (DVDD + 0.3V)
Maximum Current into Any Pin Except AVDD, DVDD,
AGND, DGND...............................................................±50mA
Continuous Power Dissipation
TQFP (derate 22.7mW/°C above +70°C) ...................1818mW
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 = +5V, DVDD = +3V, AGND = DGND = 0V, VREF = VREFMS = +2.5V (external reference), CREF = CREFMS = 0.1µF, CREF+ =
CREF- = 0.1µF, CREF+-to-REF- = 2.2µF || 0.1µF, CCOM = 2.2µF || 0.1µF, CMSV = 2.2µF || 0.1µF (unipolar devices, MAX1316/
MAX1317/MAX1318), MSV = AGND (bipolar devices, MAX1320/MAX1321/MAX1322/MAX1324/MAX1325/MAX1326), fCLK = 10MHz,
50% duty cycle, INTCLK/EXTCLK = AGND (external clock), SHDN = DGND, TA = TMIN to TMAX, unless otherwise noted. Typical val-
ues are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
STATIC PERFORMANCE (Note 1)
Resolution
N
14 Bits
Integral Nonlinearity
INL (Note 2)
±0.8 ±2.0 LSB
Differential Nonlinearity
DNL No missing codes (Note 2)
±0.5 ±1
LSB
Offset Error
Unipolar devices
Bipolar devices
±40
LSB
±40
Offset Drift
Unipolar devices
Bipolar devices
-4
ppm/°C
-4
Channel Offset Matching
Unipolar devices between all channels
Bipolar devices between all channels
35 80
LSB
25 60
Gain Error
(Note 3)
±8 ±40 LSB
Channel Gain-Error Matching
Between all channels
25 LSB
Gain Temperature Coefficient
3 ppm/°C
DYNAMIC PERFORMANCE (at fIN = 100kHz, -0.4dB FS)
Signal-to-Noise Ratio
SNR
Unipolar
Bipolar
74.5 76
75 76.5
dB
Signal-to-Noise and Distortion
Ratio
SINAD
Unipolar
Bipolar
74.5 76
75 76.5
dB
Spurious-Free Dynamic Range
SFDR
83 93
dBc
Total Harmonic Distortion
THD
-90 -83 dBc
Channel-to-Channel Isolation
83 dB
ANALOG INPUTS (CH0–CH7)
MAX1316/MAX1317/MAX1318
0 +5
Input Voltage Range
MAX1320/MAX1321/MAX1322
-5 +5 V
MAX1324/MAX1325/MAX1326
-10 +10
2 _______________________________________________________________________________________


Part Number MAX1320
Description (MAX13xx) Simultaneous-Sampling ADCs
Maker Maxim Integrated Products
Total Page 27 Pages
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