MAX1107EUB+ Maxim Integrated Products, MAX1107EUB+ Datasheet

IC ADC 8BIT LP 10-UMAX

MAX1107EUB+

Manufacturer Part Number
MAX1107EUB+
Description
IC ADC 8BIT LP 10-UMAX
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX1107EUB+

Number Of Bits
8
Sampling Rate (per Second)
25k
Data Interface
MICROWIRE™, QSPI™, Serial, SPI™
Number Of Converters
1
Power Dissipation (max)
580µW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Number Of Adc Inputs
1
Architecture
SAR
Conversion Rate
25 KSPs
Resolution
8 bit
Input Type
Voltage
Interface Type
Serial
Voltage Reference
Internal 4.096 V or External
Supply Voltage (max)
5 V
Maximum Power Dissipation
444 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX1106/MAX1107 low-power, 8-bit, single-channel,
analog-to-digital converters (ADCs) feature an internal
track/hold (T/H), voltage reference, clock, and serial inter-
face. The MAX1106 is specified from +2.7V to +3.6V and
consumes only 96µA. The MAX1107 is specified from
+4.5V to +5.5V and consumes only 107µA. The analog
inputs are pin-configurable, allowing unipolar and single-
ended or differential operation.
The full-scale analog input range is determined by the
internal reference of +2.048V (MAX1106) or +4.096V
(MAX1107), or by an externally applied reference rang-
ing from 1V to V
a pin-selectable power-down mode that reduces power
consumption to 0.5µA when the device is not in use. The
3-wire serial interface directly connects to SPI™, QSPI™,
and MICROWIRE™ devices without external logic.
Conversions up to 25ksps are performed using the inter-
nal clock.
The MAX1106/MAX1107 are available in a 10-pin µMAX
package with a footprint that is just 20% of an
8-pin plastic DIP.
19-1432; Rev 0; 3/99
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
Portable Data Logging
Hand-Held Measurement Devices
Medical Instruments
System Diagnostics
Solar-Powered Remote Systems
4–20mA-Powered Remote Systems
Receive-Signal-Strength Indicators
TOP VIEW
REFOUT
GND
DD
V
IN+
IN-
DD
________________________________________________________________ Maxim Integrated Products
. The MAX1106/MAX1107 also feature
1
2
3
4
5
General Description
MAX1106
MAX1107
MAX
Pin Configuration
Applications
10
9
8
7
6
SCLK
DOUT
SHDN
CONVST
REFIN
Single-Supply, Low-Power,
MAX1106CUB
MAX1106EUB
MAX1107CUB
MAX1107EUB
Single Supply: +2.7V to +3.6V (MAX1106)
Low Power: 96µA at +3V and 25ksps
Pin-Programmable Configuration
0 to V
Internal Track/Hold
Internal Reference: +2.048V (MAX1106)
1V to V
SPI/QSPI/MICROWIRE-Compatible Serial Interface
Small 10-Pin µMAX Package
CONVST
REFOUT
SHDN
REFIN
SCLK
PART
IN+
IN-
DD
DD
Input Voltage Range
Reference Input Range
ANALOG
Serial 8-Bit ADCs
INPUT
MUX
0.5µA in Power-Down Mode
REFERENCE
INTERNAL
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
CONTROL
+4.5V to +5.5V (MAX1107)
LOGIC
0°C to +70°C
0°C to +70°C
Ordering Information
+4.096V (MAX1107)
Functional Diagram
T/H
MAX1106
MAX1107
REDISTRIBUTION
OSCILLATOR
INTERNAL
CHARGE
DAC
10 µMAX
10 µMAX
10 µMAX
10 µMAX
PIN-PACKAGE
REGISTER
V
GND
OUTPUT
DD
SHIFT
SAR
Features
DOUT
1

Related parts for MAX1107EUB+

MAX1107EUB+ Summary of contents

Page 1

... MAX SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp. ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. Single-Supply, Low-Power, Single Supply: +2.7V to +3.6V (MAX1106) Low Power: 96µ ...

Page 2

Single-Supply, Low-Power, Serial 8-Bit ADCs ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V DD IN+, IN-, REFIN, REFOUT, DOUT to GND..........................................-0. SHDN, SCLK, CONVST to GND ...............................-0.3V to +6V Continuous Power Dissipation (T = +70°C) A 10-pin ...

Page 3

ELECTRICAL CHARACTERISTICS—MAX1106 (continued +2.7V to +3.6V; IN- to GND SCLK REFIN unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL TRACK/HOLD Conversion Time t CONV Track/Hold ...

Page 4

Single-Supply, Low-Power, Serial 8-Bit ADCs ELECTRICAL CHARACTERISTICS—MAX1106 (continued +2.7V to +3.6V; IN- to GND SCLK REFIN unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL DIGITAL ...

Page 5

ELECTRICAL CHARACTERISTICS—MAX1107 (V = +4.5V to +5.5V; IN- = GND SCLK REFIN unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL DC ACCURACY Resolution Relative Accuracy (Note 1) ...

Page 6

Single-Supply, Low-Power, Serial 8-Bit ADCs ELECTRICAL CHARACTERISTICS—MAX1107 (continued +4.5V to +5.5V; IN- = GND SCLK REFIN unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL EXTERNAL ...

Page 7

ELECTRICAL CHARACTERISTICS—MAX1107 (continued +4.5V to +5.5V; IN- = GND SCLK REFIN unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL SCLK Pulse Width Low t SCLK ...

Page 8

Single-Supply, Low-Power, Serial 8-Bit ADCs (V = +3.0V (MAX1106 +5.0V (MAX1107 +25°C; unless otherwise noted.) A OFFSET ERROR vs. SUPPLY VOLTAGE 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 2.5 ...

Page 9

V = +5.0V (MAX1107 +25°C; unless otherwise noted.) A INTEGRAL NONLINEARITY vs. DIGITAL CODE 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0 100 150 200 250 ...

Page 10

Single-Supply, Low-Power, Serial 8-Bit ADCs DOUT DOUT 3k C LOAD GND High Figure 1. Load Circuits for Enable Time _______________Detailed Description The MAX1106/MAX1107 analog-to-digital converters (ADCs) use a successive-approximation conversion technique ...

Page 11

R = 6.5kΩ the source impedance of the IN S input signal, and t must never be less than 1µs. ACQ This is easily achieved by respecting the minimum CONVST high interval required and the time required ...

Page 12

Single-Supply, Low-Power, Serial 8-Bit ADCs I/O SCK MISO + SPI CS SCK MISO + QSPI I MICROWIRE Figure 5. Common Serial-Interface Connections t CSPW 1 s (MIN) CONVST SCLK HIGH-Z DOUT ACQ CONVERSION ...

Page 13

CSPW CONVST SCLK t DV DOUT Figure 7. Detailed Serial Interface Timing data out of this register at any time after the conversion is complete. After the eighth data-bit has clocked out, DOUT goes high impedance and remains so ...

Page 14

Single-Supply, Low-Power, Serial 8-Bit ADCs When operating at speeds below the maximum sam- pling rate, the MAX1106/MAX1107’s power-down mode can save considerable power by placing the converter in a low-current shutdown state between conversions. Pull SHDN low after the conversion ...

Page 15

Layout, Grounding, and Bypassing For best performance, use printed circuit boards. Wire- wrap boards are not recommended. Board layout should ensure that digital and analog signal lines are separated from each other. Do not run analog and digi- tal (especially ...

Page 16

... 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. 16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 1999 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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