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Maxim Integrated Semiconductor Electronic Components Datasheet


MAX1106

Single-Supply / Low-Power / Serial 8-Bit ADCs


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MAX1106 pdf
19-1432; Rev 0; 3/99
Single-Supply, Low-Power,
Serial 8-Bit ADCs
General Description
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 VDD. The MAX1106/MAX1107 also feature
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.
Applications
Portable Data Logging
Hand-Held Measurement Devices
Medical Instruments
System Diagnostics
Solar-Powered Remote Systems
4–20mA-Powered Remote Systems
Receive-Signal-Strength Indicators
Pin Configuration
TOP VIEW
VDD 1
IN+ 2
IN- 3
GND 4
REFOUT 5
MAX1106
MAX1107
µMAX
10 SCLK
9 DOUT
8 SHDN
7 CONVST
6 REFIN
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Features
o Single Supply: +2.7V to +3.6V (MAX1106)
+4.5V to +5.5V (MAX1107)
o Low Power: 96µA at +3V and 25ksps
0.5µA in Power-Down Mode
o Pin-Programmable Configuration
o 0 to VDD Input Voltage Range
o Internal Track/Hold
o Internal Reference: +2.048V (MAX1106)
+4.096V (MAX1107)
o 1V to VDD Reference Input Range
o SPI/QSPI/MICROWIRE-Compatible Serial Interface
o Small 10-Pin µMAX Package
PART
MAX1106CUB
MAX1106EUB
MAX1107CUB
MAX1107EUB
Ordering Information
TEMP. RANGE
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
PIN-PACKAGE
10 µMAX
10 µMAX
10 µMAX
10 µMAX
CONVST
SCLK
SHDN
Functional Diagram
VDD
MAX1106
MAX1107
OUTPUT
SHIFT
REGISTER
DOUT
IN+
IN-
REFOUT
REFIN
CONTROL
LOGIC
ANALOG
INPUT
MUX
INTERNAL
REFERENCE
INTERNAL
OSCILLATOR
T/H SAR
CHARGE
REDISTRIBUTION
DAC
GND
________________________________________________________________ Maxim Integrated Products 1
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.



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MAX1106 pdf
Single-Supply, Low-Power,
Serial 8-Bit ADCs
ABSOLUTE MAXIMUM RATINGS
VDD to GND ..............................................................-0.3V to +6V
IN+, IN-, REFIN, REFOUT,
DOUT to GND..........................................-0.3V to (VDD + 0.3V)
SHDN, SCLK, CONVST to GND ...............................-0.3V to +6V
Continuous Power Dissipation (TA = +70°C)
10-pin µMAX (derate 5.6mW/°C above +70°C) ............444mW
Operating Temperature Ranges
MAX110_CUB ......................................................0°C to +70°C
MAX110_EUB ...................................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+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—MAX1106
(VDD = +2.7V to +3.6V; IN- to GND; fSCLK = 2MHz; 25ksps conversion rate; 1µF capacitor at REFOUT; external +2.048V reference at
REFIN; TA = TMIN to TMAX; unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
DC ACCURACY
Resolution
Relative Accuracy (Note 1)
Differential Nonlinearity
INL
DNL
VDD = 2.7V to 3.6V
VDD = 5.5V (Note 2)
No missing codes over temperature
Offset Error
Gain Error (Note 3)
VDD = 2.7V to 3.6V
VDD = 5.5V (Note 2)
Gain Temperature Coefficient
Total Unadjusted Error
TUE
TA = +25°C
TA = TMIN to TMAX
DYNAMIC PERFORMANCE (10kHz sine-wave input, 2.048Vp-p, 25ksps conversion rate)
Signal-to-Noise Plus Distortion SINAD
Total Harmonic Distortion
(up to the 5th harmonic)
THD
Spurious-Free Dynamic Range SFDR
Small-Signal Bandwidth
Full-Power Bandwidth
BW-3dB -3dB rolloff
ANALOG INPUTS
Input Voltage Range (Note 4)
VIN_ VIN+ to VIN-
Input Leakage Current
On/off-leakage current,
VIN+ or VIN- = 0 or VDD
Input Capacitance
CIN
MIN TYP MAX UNITS
8 Bits
±0.15
±0.2
±0.5
LSB
±1 LSB
±0.2
±1
LSB
±0.5
±1 LSB
±0.8
ppm/°C
±1
LSB
±0.5
49 dB
-70 dB
68 dB
1.5 MHz
0.8 MHz
0
VREFIN
V
±0.01 ±1
µA
18 pF
2 _______________________________________________________________________________________



Part Number MAX1106
Description Single-Supply / Low-Power / Serial 8-Bit ADCs
Maker Maxim - Maxim
Total Page 16 Pages
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