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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX1033 Datasheet

(MAX1032 / MAX1033) Serial 14-Bit ADCs

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MAX1032/MAX1033
8- and 4-Channel, ±3 x VREF
Multirange Inputs, Serial 14-Bit ADCs
General Description
The MAX1032/MAX1033 multirange, low-power, 14-bit,
successive-approximation, analog-to-digital converters
(ADCs) operate from a single +5V supply and achieve
throughput rates up to 115ksps. A separate digital sup-
ply allows digital interfacing with 2.7V to 5.25V systems
using the SPI/QSPI™-/MICROWIRE®-compatible serial
interface. Partial power-down mode reduces the supply
current to 1.3mA (typ). Full power-down mode reduces
the power-supply current to 1µA (typ).
The MAX1032 provides eight (single-ended) or four
(true differential) analog input channels. The MAX1033
provides four (single-ended) or two (true differential)
analog input channels. Each analog input channel is
independently software programmable for seven sin-
gle-ended input ranges 0 to (3 x VREF)/2, (-3 x VREF)/2
to 0, 0 to 3 x VREF, -3 x VREF to 0, (±3 x VREF)/4,
(±3 x VREF)/2, ±3 x VREF and three differential input
ranges (±3 x VREF)/2, ±3 x VREF, ±6 x VREF.
An on-chip +4.096V reference offers a small convenient
ADC solution. The MAX1032/MAX1033 also accept an
external reference voltage between 3.800V and 4.136V.
The MAX1032 is available in a 24-pin TSSOP package
and the MAX1033 is available in a 20-pin TSSOP pack-
age. Each device is specified for operation from -40°C
to +85°C.
Applications
Industrial Control Systems
Data-Acquisition Systems
Avionics
Robotics
QSPI is a trademark of Motorola, Inc.
MICROWIRE is a registered trademark of National
Semiconductor Corp.
Features
o Software-Programmable Input Range for Each
Channel
o Single-Ended Input Ranges (VREF = 4.096V)
(0 to (3 x VREF)/2, (-3 x VREF)/2 to 0,
0 to 3 x VREF, -3 x VREF to 0, (±3 x VREF)/4,
(±3 x VREF)/2, ±3 x VREF)
o Differential Input Ranges
(±3 x VREF)/2, ±3 x VREF, ±6 x VREF
o Eight Single-Ended or Four Differential Analog
Inputs (MAX1032)
o Four Single-Ended or Two Differential Analog
Inputs (MAX1033)
o ±16.5V Overvoltage Tolerant Inputs
o Internal or External Reference
o 115ksps Maximum Sample Rate
o Single +5V Power Supply
o 20-/24-Pin TSSOP Package
Ordering Information
PART
PIN-PACKAGE
CHANNELS
MAX1032BEUG+
24 TSSOP
8
MAX1033BEUP+
20 TSSOP
4
Note: All devices are specified over the -40°C to +85°C oper-
ating temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
Pin Configurations
TOP VIEW
+
AVDD1 1
CH0 2
CH1 3
CH2 4
CH3 5
MAX1032
CH4 6
CH5 7
CH6 8
CH7 9
CS 10
DIN 11
SSTRB 12
24 AGND1
23 AGND2
22 AVDD2
21 AGND3
20 REF
19 REFCAP
18 DVDD
17 DVDD0
16 DGND
15 DGNDO
14 DOUT
13 SCLK
TSSOP
Pin Configurations continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-3573; Rev 6; 7/13


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX1033 Datasheet

(MAX1032 / MAX1033) Serial 14-Bit ADCs

No Preview Available !

MAX1032/MAX1033
8- and 4-Channel, ±3 x VREF
Multirange Inputs, Serial 14-Bit ADCs
ABSOLUTE MAXIMUM RATINGS
AVDD1 to AGND1 ....................................................-0.3V to +6V
AVDD2 to AGND2 ....................................................-0.3V to +6V
DVDD to DGND ........................................................-0.3V to +6V
DVDDO to DGNDO ..................................................-0.3V to +6V
DVDD to DVDDO......................................................-0.3V to +6V
DVDD, DVDDO to AVDD1 ........................................-0.3V to +6V
AVDD1, DVDD, DVDDO to AVDD2 ..........................-0.3V to +6V
DGND, DGNDO, AGND3, AGND2 to AGND1 ......-0.3V to +0.3V
CS, SCLK, DIN, DOUT, SSTRB to
DGNDO............................................-0.3V to (VDVDDO + 0.3V)
CH0–CH7 to AGND1 .........................................-16.5V to +16.5V
REF, REFCAP to AGND1 ......................-0.3V to (VAVDD1 + 0.3V)
Continuous Current (any pin) ...........................................±50mA
Continuous Power Dissipation (TA = +70°C)
20-Pin TSSOP (derate 11mW/°C above +70°C) ..........879mW
24-Pin TSSOP (derate 12.2mW/°C above +70°C) .......976mW
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
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
(VAVDD1 = VAVDD2 = VDVDD = VDVDD0 = 5V, VAGND1 = VDGND = VDGNDO = VAGND2 = VAGND3 = 0V, fCLK = 3.5MHz (50% duty
cycle), external clock mode, VREF = 4.096V (external reference operation), REFCAP = AVDD1, maximum single-ended bipolar input
range (±3 x VREF), CDOUT = 50pF, CSSTRB = 50pF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
DC ACCURACY (Notes 1, 2)
Resolution
Integral Nonlinearity
Differential Nonlinearity
Transition Noise
Offset Error
Channel-to-Channel Gain
Matching
SYMBOL
CONDITIONS
INL
DNL
No missing codes
External or internal reference
Single-ended inputs
Unipolar
Bipolar
Differential inputs (Note 3) Bipolar
Unipolar or bipolar
MIN TYP MAX UNITS
14 Bits
±0.25 ±1
LSB
±1 LSB
1 LSBRMS
0 ±20
-1.0 ±12
mV
-2.0 ±20
0.025
%FSR
Channel-to-Channel Offset Error
Matching
Unipolar or bipolar
1 mV
Unipolar
Offset Temperature Coefficient
Bipolar
Fully differential
Unipolar
Gain Error
Bipolar
Fully differential
Unipolar
Gain Temperature Coefficient
Bipolar
Fully differential
DYNAMIC SPECIFICATIONS fIN(SINE-WAVE) = 5kHz, VIN = FSR - 0.05dB (Notes 1, 2)
Differential inputs, ±6 x VREF
Signal-to-Noise Plus Distortion
SINAD
Single-ended inputs, ±3 x VREF
Single-ended inputs, (±3 x VREF)/2
Single-ended inputs, (±3 x VREF)/4
3
1 μV/°C
2
±0.5
±0.8 %FSR
±1
2
1.0 ppm/°C
2
85
84
83
79 81
dB
2 Maxim Integrated


Part Number MAX1033
Description (MAX1032 / MAX1033) Serial 14-Bit ADCs
Maker Maxim Integrated Products
Total Page 30 Pages
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