MAX1039AEEE Maxim Integrated Products, MAX1039AEEE Datasheet

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MAX1039AEEE

Manufacturer Part Number
MAX1039AEEE
Description
ADC (A/D Converters)
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1037EKAT.pdf (23 pages)

Specifications of MAX1039AEEE

Lead Free Status / Rohs Status
No

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The MAX1036–MAX1039 low-power, 8-bit, multichannel,
analog-to-digital converters (ADCs) feature internal
track/hold (T/H), voltage reference, clock, and an
I
operate from a single supply and require only 350µA at
the maximum sampling rate of 188ksps. Auto-
Shutdown™ powers down the devices between conver-
sions reducing supply current to less than 1µA at low
throughput rates. The MAX1036/MAX1037 have four ana-
log input channels each, while the MAX1038/MAX1039
have twelve analog input channels. The analog inputs are
software configurable for unipolar or bipolar and single-
ended or pseudo-differential operation.
The full-scale analog input range is determined by the
internal reference or by an externally applied reference
voltage ranging from 1V to V
MAX1039 feature a 2.048V internal reference and the
MAX1036/MAX1038 feature a 4.096V internal reference.
The MAX1036/MAX1037 are available in 8-pin SOT23
packages. The MAX1038/MAX1039 are available in 16-
pin QSOP packages. The MAX1036–MAX1039 are guar-
anteed over the extended industrial temperature range
(-40°C to +85°C). Refer to MAX1136–MAX1139 for 10-bit
devices and to the MAX1236–MAX1239 for 12-bit
devices.
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
19-2442; Rev 4; 5/09
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
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.
2
MAX1036EKA+T
MAX1037EKA+T
MAX1038AEEE+
MAX1039AEEE+
C-compatible 2-wire serial interface. These devices
Handheld Portable Applications
Medical Instruments
Battery-Powered Test Equipment
Solar-Powered Remote Systems
Received-Signal-Strength Indicators
System Supervision
PART
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
________________________________________________________________ Maxim Integrated Products
PIN-PACKAGE
16 QSOP
16 QSOP
8 SOT23
8 SOT23
4-/12-Channel 2-Wire Serial 8-Bit ADCs
General Description
DD
Applications
(LSB)
TUE
. The MAX1037/
±2
±2
±1
±1
CHANNELS
INPUT
12
12
4
4
Ordering Information/Selector Guide
o High-Speed I
o Single Supply
o Internal Reference
o External Reference: 1V to V
o Internal Clock
o 4-Channel Single-Ended or 2-Channel Pseudo-
o 12-Channel Single-Ended or 6-Channel Pseudo-
o Internal FIFO with Channel-Scan Mode
o Low Power
o Software Configurable Unipolar/Bipolar
o Small Packages
SLAVE ADDRESS
Pin Configurations and Typical Operating Circuit appear
at end of data sheet.
Differential (MAX1036/MAX1037)
Differential (MAX1038/MAX1039)
1100100
1100100
1100101
1100101
400kHz Fast Mode
1.7MHz High-Speed Mode
2.7V to 3.6V (MAX1037/MAX1039)
4.5V to 5.5V (MAX1036/MAX1038)
2.048V (MAX1037/MAX1039)
4.096V (MAX1036/MAX1038)
350µA at 188ksps
110µA at 75ksps
8µA at 10ksps
1µA in Power-Down Mode
8-Pin SOT23 (MAX1036/MAX1037)
16-Pin QSOP (MAX1038/MAX1039)
I
2
C
2
C-Compatible Serial Interface
REFERENCE (V)
INTERNAL
4.096
2.048
4.096
2.048
DD
TOP MARK
Features
AAJG
AAJE
—
—
1

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MAX1039AEEE Summary of contents

Page 1

... PIN-PACKAGE MAX1036EKA+T 8 SOT23 MAX1037EKA+T 8 SOT23 MAX1038AEEE+ 16 QSOP MAX1039AEEE+ 16 QSOP + Denotes a lead(Pb)-free/RoHS-compliant package Tape and reel. AutoShutdown is a trademark of Maxim Integrated Products, Inc. ________________________________________________________________ Maxim Integrated Products 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. ...

Page 2

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V DD AIN0–AIN11, REF to GND ......................-0.3V to the lower of (V SDA, SCL to GND.....................................................-0.3V to +6V Maximum ...

Page 3

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs ELECTRICAL CHARACTERISTICS (continued 2.7V to 3.6V (MAX1037/MAX1039 (MAX1037/MAX1039 4.096V (MAX1036/MAX1038). External clock, f REF noted. Typical values are ...

Page 4

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs ELECTRICAL CHARACTERISTICS (continued 2.7V to 3.6V (MAX1037/MAX1039 (MAX1037/MAX1039 4.096V (MAX1036/MAX1038). External clock, f REF noted. Typical values are ...

Page 5

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs ELECTRICAL CHARACTERISTICS (continued 2.7V to 3.6V (MAX1037/MAX1039 (MAX1037/MAX1039 4.096V (MAX1036/MAX1038). External clock, f REF noted. Typical values are ...

Page 6

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs (V = 3.3V (MAX1037/MAX1039 (MAX1036/MAX1038 single ended, unipolar +25°C, unless otherwise noted.) A SUPPLY CURRENT vs. VOLTAGE 450 A) ...

Page 7

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs (V = 3.3V (MAX1037/MAX1039 (MAX1036/MAX1038 single ended, unipolar +25°C, unless otherwise noted.) A INTERNAL 2.048V REFERENCE VOLTAGE vs. TEMPERATURE ...

Page 8

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs PIN MAX1036/ MAX1038/ MAX1037 MAX1039 — — 16, 15 — — ...

Page 9

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs 2 A. F/S-MODE I C SERIAL INTERFACE TIMING SDA t SU.DAT t LOW SCL t t HD.STA HIGH HS-MODE I ...

Page 10

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs SDA SCL V DD GND AIN0 AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 AIN7 AIN8 AIN9 AIN10 AIN11/REF Figure 3. MAX1038/MAX1039 Simplified Functional Diagram ANALOG INPUT MUX AIN0 ...

Page 11

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs Table 1. Setup Byte Format BIT 7 BIT 6 BIT 5 (MSB) REG SEL2 SEL1 BIT NAME 7 REG Register bit Setup Byte ...

Page 12

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs SCL is high (Figure 5). A repeated START condition (Sr) can be used in place of a STOP condition to leave the bus active and in its ...

Page 13

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs DEVICE MAX1036/MAX1037 MAX1038/MAX1039 S 1 SDA SCL 1 Figure 7. MAX1036/MAX1037 Slave Address Byte SDA SCL Figure 8. F/S-Mode to HS-Mode Transfer a START ...

Page 14

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs MASTER TO SLAVE SLAVE TO MASTER A. 1-BYTE WRITE CYCLE SLAVE ADDRESS SETUP OR CONFIGURATION BYTE B. 2-BYTE WRITE CYCLE SLAVE ...

Page 15

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs Table 2. Configuration Byte Format BIT 7 BIT 6 BIT 5 (MSB) REG SCAN1 SCAN0 BIT NAME 7 REG Register bit Setup Byte (Table 1), ...

Page 16

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs MASTER TO SLAVE SLAVE TO MASTER A. SINGLE CONVERSION WITH INTERNAL CLOCK SLAVE ADDRESS R A CLOCK STRETCH t t ACQ CONV ...

Page 17

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs Table 3. Channel Selection in Single-Ended Mode (SGL / DIF = CS3 CS2 CS1 CS0 AIN0 ...

Page 18

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs Table 4. Channel Selection in Pseudo-Differential Mode (SGL / DIF = CS3 CS2 CS1 CS0 AIN0 ...

Page 19

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs Table 5. Scanning Configuration SCAN1 SCAN0 0 0 Scans up from AIN0 to the input selected by CS3–CS0 (default setting Converts the input selected by ...

Page 20

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs OUTPUT CODE REF 1...111 1...110 1...101 1...100 0...011 0...010 0...001 0...000 INPUT VOLTAGE (LSB) Figure 12. Unipolar Transfer Function SUPPLIES 3V/ ...

Page 21

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs In reality, there are other noise sources besides quanti- zation noise, including thermal noise, reference noise, clock jitter, etc. Therefore, SNR is computed by taking the ratio ...

Page 22

Low-Power, 4-/12-Channel 2-Wire Serial 8-Bit ADCs Pin Configurations TOP VIEW AIN0 1 AIN1 2 MAX1036 MAX1037 AIN2 3 AIN3/REF 4 SOT23 AIN7 1 AIN6 2 AIN5 3 MAX1038 AIN4 4 MAX1039 AIN3 5 ...

Page 23

... 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 ____________________ 23 © 2009 Maxim Integrated Products ...

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