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MAX1107CUB+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
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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 V
DD
. 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
Features
♦ Single Supply: +2.7V to +3.6V (MAX1106)
+4.5V to +5.5V (MAX1107)
♦ Low Power: 96µA at +3V and 25ksps
0.5µA in Power-Down Mode
♦ Pin-Programmable Configuration
♦ 0 to V
DD
Input Voltage Range
♦ Internal Track/Hold
♦ Internal Reference: +2.048V (MAX1106)
+4.096V (MAX1107)
♦ 1V to V
DD
Reference Input Range
♦ SPI/QSPI/MICROWIRE-Compatible Serial Interface
♦ Small 10-Pin µMAX Package
MAX1106/MAX1107
Single-Supply, Low-Power,
Serial 8-Bit ADCs
________________________________________________________________
Maxim Integrated Products
1
1
2
3
4
5
10
9
8
7
6
SCLK
DOUT
SHDN
CONVSTGND
IN-
IN+
V
DD
MAX1106
MAX1107
µMAX
TOP VIEW
REFINREFOUT
CONTROL
LOGIC
T/H
SAR
INTERNAL
OSCILLATOR
OUTPUT
SHIFT
REGISTER
V
DD
ANALOG
INPUT
MUX
INTERNAL
REFERENCE
DOUT
SCLK
SHDN
IN+
REFIN
IN-
REFOUT
CONVST
GND
CHARGE
REDISTRIBUTION
DAC
MAX1106
MAX1107
Functional Diagram
19-1432; Rev 0; 3/99
Pin Configuration
Ordering Information
PART
MAX1106CUB
MAX1106EUB -40°C to +85°C
0°C to +70°C
TEMP. RANGE PIN-PACKAGE
10 µMAX
10 µMAX
MAX1107CUB
MAX1107EUB -40°C to +85°C
0°C to +70°C 10 µMAX
10 µMAX
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
MAX1106/MAX1107
Single-Supply, Low-Power,
Serial 8-Bit ADCs
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—MAX1106
(V
DD
= +2.7V to +3.6V; IN- to GND; f
SCLK
= 2MHz; 25ksps conversion rate; 1µF capacitor at REFOUT; external +2.048V reference at
REFIN; T
A
= T
MIN
to T
MAX
; unless otherwise noted. Typical values are at T
A
= +25°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.
V
DD
to GND..............................................................-0.3V to +6V
IN+, IN-, REFIN, REFOUT,
DOUT to GND..........................................-0.3V to (V
DD
+ 0.3V)
SHDN, SCLK, CONVST to GND...............................-0.3V to +6V
Continuous Power Dissipation (T
A
= +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
V
DD
= 2.7V to 3.6V
V
DD
= 5.5V (Note 2)
No missing codes over temperature
CONDITIONS
±0.15 ±0.5
Bits8Resolution
LSB
±0.2
INLRelative Accuracy (Note 1)
LSB±1DNLDifferential Nonlinearity
UNITSMIN TYP MAXSYMBOLPARAMETER
V
DD
= 5.5V (Note 2)
V
DD
= 2.7V to 3.6V
LSB
±0.5
Offset Error
±0.2 ±1
LSB±1Gain Error (Note 3)
ppm/°C±0.8Gain Temperature Coefficient
T
A
= T
MIN
to T
MAX
T
A
= +25°C
dB49SINADSignal-to-Noise Plus Distortion
dB-70THD
Total Harmonic Distortion
(up to the 5th harmonic)
LSB
±0.5
TUETotal Unadjusted Error
±1
-3dB rolloff
V
IN+
to V
IN-
MHz0.8Full-Power Bandwidth
MHz1.5BW
-3dB
Small-Signal Bandwidth
0V
REFIN
Input Voltage Range (Note 4)
dB68SFDRSpurious-Free Dynamic Range
VV
IN_
pF18C
IN
Input Capacitance
On/off-leakage current,
V
IN+
or V
IN-
= 0 or V
DD
µA±0.01 ±1Input Leakage Current
DC ACCURACY
DYNAMIC PERFORMANCE (10kHz sine-wave input, 2.048Vp-p, 25ksps conversion rate)
ANALOG INPUTS
V
MAX1106/MAX1107
Single-Supply, Low-Power,
Serial 8-Bit ADCs
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—MAX1106 (continued)
(V
DD
= +2.7V to +3.6V; IN- to GND; f
SCLK
= 2MHz; 25ksps conversion rate; 1µF capacitor at REFOUT; external +2.048V reference at
REFIN; T
A
= T
MIN
to T
MAX
; unless otherwise noted. Typical values are at T
A
= +25°C.)
CONDITIONS UNITSMIN TYP MAXSYMBOLPARAMETER
Figure 7 µst
CONV
Conversion Time 35
µs1t
ACQ
Track/Hold Acquisition Time
ps<50Aperture Jitter
ns10Aperture Delay
kHz400Internal Clock Frequency
(Note 5)
0 to 0.5mA (Note 6)
ppm/°C±50REF Tempco
µA150I
REFSC
REF Short-Circuit Current
mV4Load Regulation
V1.968 2.048 2.128V
REFOUT
Output Voltage
+2.048V at REFIN, full scale µA120Input Current
V2.7 3 5.5V
DD
Supply Voltage
Power down, V
DD
= 3.6V
Full-scale input, V
DD
= 2.7V to 3.6V
0.5 2.5
I
DD
mV±0.4 ±4PSRPower-Supply Rejection (Note 8)
V
DD
= 3.6V, C
L
= 10pF
V
DD
= 5.5V, C
L
= 10pF 115
µF1Capacitive Bypass at REFOUT
V0.2V
HYST
Input Hysteresis
V0.8V
IL
Threshold Voltage Low
µA±1I
IH
Input Current High
V
DD
≤ 3.6V
V
DD
> 3.6V
2
V
3
V
IH
Threshold Voltage High
MHz2External Clock Frequency Range
V1.0 V
DD
+ 0.05V
REFIN
Input Voltage Range
µA±1I
IL
Input Current Low
pF15C
IN
Input Capacitance
For data transfer only
96 250
µASupply Current (Notes 2, 7)
TRACK/HOLD
INTERNAL REFERENCE
EXTERNAL REFERENCE
POWER REQUIREMENTS
DIGITAL INPUTS (SHDN, SCLK, and CONVST)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

MAX1107CUB+T

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Buy MAX1107CUB+T
Manufacturer:
Maxim Integrated
Description:
Analog to Digital Converters - ADC Single-Supply Low-P Serial 8-Bit
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