MAX11203EEE+T Maxim Integrated Products, MAX11203EEE+T Datasheet

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MAX11203EEE+T

Manufacturer Part Number
MAX11203EEE+T
Description
IC ADC 16BIT SPI/SRL 16QSOP
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX11203EEE+T

Number Of Bits
16
Sampling Rate (per Second)
10
Data Interface
MICROWIRE™, QSPI™, Serial, SPI™
Number Of Converters
1
Power Dissipation (max)
667mW
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SSOP (0.150", 3.90mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
19-5334; Rev 0; 6/10
The MAX11203/MAX11213 are ultra-low-power (< 300FA
active current), high-resolution, serial-output ADCs.
These devices provide the highest resolution per unit
power in the industry, and are optimized for applications
that require very high dynamic range with low power,
such as sensors on a 4mA to 20mA industrial control
loop. Optional input buffers provide isolation of the sig-
nal inputs from the switched capacitor sampling network
allowing these converters to be used with high-imped-
ance sources without compromising available dynamic
range or linearity. The devices provide a high-accuracy
internal oscillator that requires no external components.
When used with the specified data rates, the internal
digital filter provides more than 100dB rejection of 50Hz
or 60Hz line noise. The devices are configurable using
the SPI™ interface and include four GPIOs that can be
used for external mux control. The MAX11213 includes
digital programmable gain of 1 to 128.
The MAX11203/MAX11213 operate over the -40NC to
+85NC temperature range, and are available in a 16-pin
QSOP package.
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.
Sigma ADCs with Programmable Gain and GPIO
16-Bit, Single-Channel, Ultra-Low-Power, Delta-
RESOLUTION
Sensor Measurement (Temperature and
Pressure)
Portable Instrumentation
Battery Applications
Weigh Scales
(BITS)
24
20
18
16
_______________________________________________________________ Maxim Integrated Products 1
General Description
4-WIRE SPI, 16-PIN QSOP,
PROGRAMMABLE GAIN
MAX11210
MAX11206
MAX11209
MAX11213
Applications
16-PIN QSOP
4-WIRE SPI,
MAX11200
MAX11207
MAX11211
MAX11203
S 16-Bit Noise-Free Resolution
S 570nV
S 3ppm INL (typ), 20ppm (max)
S No Missing Codes
S Ultra-Low Power Dissipation
S Programmable Gain (1 to 128) (MAX11213)
S Four SPI-Controlled GPIOs for External Mux
S 2.7V to 3.6V Analog Supply Voltage Range
S 1.7V to 3.6V Digital and I/O Supply Voltage Range
S Fully Differential Signal and Reference Inputs
S High-Impedance Inputs
S > 100dB (min) 50Hz/60Hz Rejection
S SPI-, QSPI™-, MICROWIRE™-Compatible Serial
S On-Demand Offset and Gain Self-Calibration and
S User-Programmable Offset and Gain Registers
S -40°C to +85°C Operating Temperature Range
S ±2kV ESD Protection
S Lead(Pb)-Free and RoHS-Compliant QSOP
+Denotes a lead(Pb)-free/RoHS-compliant package.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
MAX11203EEE+
MAX11213EEE+
Control
Interface
System Calibration
Package
Operating-Mode Current Drain < 300µA (max)
Sleep-Mode Current Drain < 0.4µA
Optional Input Buffers on Both Signal and
Reference Inputs
PART
RMS
Noise at 10sps, ±3.6V
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
Ordering Information
MAX11202 (without buffers)
MAX11201 (with buffers)
2-WIRE SERIAL,
10-PIN µMAX
Selector Guide
MAX11208
MAX11212
MAX11205
FS
16 QSOP
16 QSOP
PIN-PACKAGE
Input
Features

Related parts for MAX11203EEE+T

MAX11203EEE+T Summary of contents

Page 1

... PROGRAMMABLE GAIN 24 MAX11210 20 MAX11206 18 MAX11209 16 MAX11213 _______________________________________________________________ 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. S 16-Bit Noise-Free Resolution S 570nV Noise at 10sps, ±3.6V RMS S 3ppm INL (typ), 20ppm (max Missing Codes S Ultra-Low Power Dissipation Operating-Mode Current Drain < ...

Page 2

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO ABSOLUTE MAXIMUM RATINGS Any Pin to GND ....................................................-0.3V to +3.9V AVDD to GND .......................................................-0.3V to +3.9V DVDD to GND ......................................................-0.3V to +3.9V Analog Inputs (AINP, AINN, REFP, REFN) to ...

Page 3

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO ELECTRICAL CHARACTERISTICS (continued +3.6V +1.7V, V AVDD DVDD REFP unless otherwise noted. Typical values are at T PARAMETER SYMBOL Absolute Input Voltage DC Input Leakage ...

Page 4

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO ELECTRICAL CHARACTERISTICS (continued +3.6V +1.7V, V AVDD DVDD REFP unless otherwise noted. Typical values are at T PARAMETER SYMBOL POWER REQUIREMENTS Analog Supply Digital Supply ...

Page 5

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO (V = 3.6V 1.8V AVDD DVDD REFP +25NC.) A ANALOG ACTIVE CURRENT vs. AVDD VOLTAGE (NO BUFFERS ENABLED) 260 LINEF = ...

Page 6

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO (V = 3.6V 1.8V AVDD DVDD REFP +25NC.) A INTERNAL OSCILLATOR FREQUENCY vs. TEMPERATURE 3 3.0V 2.9 AVDD 2.8 ...

Page 7

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO AVDD DVDD GND AINP AINN REFP REFN *PROGRAMMABLE GAIN ONLY AVAILABLE ON THE MAX11213. _______________________________________________________________________________________ TIMING PROGRAMMABLE DIGITAL FILTER 4 (SINC ) 3RD-ORDER DELTA-SIGMA MODULATOR MAX11203 MAX11213* Functional Diagram ...

Page 8

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO PIN NAME 1 GPIO1 General-Purpose I/O 1. Register controllable using SPI. 2 GPIO2 General-Purpose I/O 2. Register controllable using SPI. 3 GPIO3 General-Purpose I/O 3. Register controllable using SPI. ...

Page 9

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO Detailed Description The MAX11203/MAX11213 are ultra-low-power (< 300FA active), high-resolution, low-speed, serial-output ADCs. These ADCs provide the highest resolution per unit power in the industry, and are optimized for ...

Page 10

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO 2.048MHz oscillator. The 2.4576MHz oscillator provides maximum 60Hz rejection, and the 2.048MHz oscillator provides maximum 50Hz rejection. See Figures 1 and 2. For optimal simultaneous 50Hz and 60Hz rejection, ...

Page 11

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO Table 3a. Example of Self-Calibration STEP DESCRIPTION 1 Initial power-up 2 Enable self-calibration registers 3 Self-calibration, DIN = 10010000 Table 3b. Example of System Calibration STEP DESCRIPTION 1 Initial ...

Page 12

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO NORMAL MODE REJECTION DATA RATE 10.0sps 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 FREQUENCY (Hz) ...

Page 13

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO MAX313 LOGIC SWITCH 0 OFF 1 ON IN1 IN2 AIN1 IN3 AIN2 IN4 AIN3 AIN4 MAX313 COM1 COM2 COM3 COM4 Figure 3. MAX11203 GPIOs Drive an External 4-Channel Switch ...

Page 14

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO Serial-Digital Interface The MAX11203/MAX11213 interface is fully compatible with SPI-, QSPI-, and MICROWIRE-standard serial inter- faces. The SPI interface provides access to nine on-chip registers that are 8 or ...

Page 15

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO CSS0 SCLK 1 DIN RS3 t DOE HIGH-Z RDY/DOUT Figure 7. SPI Register Access Read Communication between the user ...

Page 16

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO Table 7. Operating Mode (MODE Bit) MODE BIT SETTING 0 The command byte initiates a conversion or an immediate power-down. See Tables 5 and 8. The device interprets the ...

Page 17

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO Table 10. Register Address Map REGISTER ADDRESS R/W NAME SEL (RS[3:0]) STAT1 R 0x0 SYSOR CTRL1 0x1 LINEF R/W CTRL2 0x2 DIR4 R/W CTRL3 0x3 DGAIN2* R/W DATA R ...

Page 18

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO Table 11. STAT1 Register (Read Only) BIT B7 BIT NAME SYSOR 0 DEFAULT SYSOR: The system gain overrange bit, when set to 1, indicates that a system gain calibration ...

Page 19

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO The byte-wide CTRL1 register is a bidirectional read/write register. The byte written to the CTRL1 register indicates if the part converts continuously or single cycle external or ...

Page 20

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO The byte-wide CTRL2 register is a bidirectional read/write register. The byte written to the CTRL2 register controls the direction and values of the digital I/O ports. Table 13. CTRL2 ...

Page 21

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO The data register is a 24-bit read-only register. Any attempt to write data to the data register has no effect. The data read from this register is clocked out ...

Page 22

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO Table 16b. Output Data Formats for the Bipolar Input Range INPUT VOLTAGE AINP AINN ≥ V REF   × 1 −   ...

Page 23

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO The system gain calibration register is a 24-bit read/write register. The data written/read to/from this register is clocked in/out MSB first. This register holds the system gain calibration value. ...

Page 24

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO The self-calibration gain register is a 24-bit read/write register. The data written/read to/from this register is clocked in/out MSB first. This register holds the self-calibration gain calibration value. The ...

Page 25

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO REF1 REF2 I REF2 REFP R REF MAX11203 I REF1 MAX11213 REFN AINP R RTD AINN GND Figure 8. RTD Temperature Measurement Circuit AVDD ...

Page 26

Single-Channel, Ultra-Low-Power, Delta- Sigma ADCs with Programmable Gain and GPIO AVDD R STRAIN AVDD AINP R STRAIN MAX11213 AINN Figure 10. The MAX11213 ADC Eliminates an External Gain Stage. 26 _____________________________________________________________________________________ PROCESS: BiCMOS For the latest package outline information ...

Page 27

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 2010 Maxim Integrated Products © ...

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