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Maxim Integrated Semiconductor Electronic Components Datasheet


MAX1061

(MAX1061 / MAX1063) 10-Bit ADCs



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MAX1061 pdf
19-2724; Rev 1; 3/09
250ksps, +3V, 8-/4-Channel, 10-Bit ADCs
with +2.5V Reference and Parallel Interface
General Description
The MAX1061/MAX1063 low-power, 10-bit analog-to-
digital converters (ADCs) feature a successive-approxi-
mation ADC, automatic power-down, fast wake-up
(2µs), an on-chip clock, +2.5V internal reference, and a
high-speed, byte-wide parallel interface. They operate
with a single +3V analog supply and feature a VLOGIC
pin that allows them to interface directly with a +1.8V to
+3.6V digital supply.
Power consumption is only 5.7mW (VDD = VLOGIC) at
the maximum sampling rate of 250ksps. Two software-
selectable power-down modes enable the MAX1061/
MAX1063 to be shut down between conversions;
accessing the parallel interface returns them to normal
operation. Powering down between conversions can
cut supply current to under 10µA at reduced sampling
rates.
Both devices offer software-configurable analog inputs
for unipolar/bipolar and single-ended/pseudo-differen-
tial operation. In single-ended mode, the MAX1061 has
eight input channels and the MAX1063 has four input
channels (four and two input channels, respectively,
when in pseudo-differential mode).
Excellent dynamic performance and low power, com-
bined with ease of use and small package size, make
these converters ideal for battery-powered and data-
acquisition applications or for other circuits with demand-
ing power consumption and space requirements.
The MAX1061 is available in a 28-pin QSOP package,
while the MAX1063 is available in a 24-pin QSOP. For
www.DaptainSh-ceeotm4Up.caotmible +5V, 10-bit versions, refer to the
MAX1060/MAX1064 data sheet.
Industrial Control Systems
Applications
Data Logging
Energy Management
Patient Monitoring
Data-Acquisition Systems Touch Screens
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
INL
(LSB)
MAX1061ACEI+ 0°C to +70°C 28 QSOP
±0.5
MAX1061BCEI+ 0°C to +70°C 28 QSOP
±1
MAX1061AEEI+ -40°C to +85°C 28 QSOP
±0.5
MAX1061BEEI+ -40°C to +85°C 28 QSOP
±1
+Denotes a lead(Pb)-free/RoHS-compliant package.
Ordering Information continued at end of data sheet.
Features
10-Bit Resolution, ±0.5 LSB Linearity
+3V Single-Supply Operation
User-Adjustable Logic Level (+1.8V to +3.6V)
Internal +2.5V Reference
Software-Configurable, Analog Input Multiplexer
8-Channel Single Ended/
4-Channel Pseudo-Differential (MAX1061)
4-Channel Single Ended/
2-Channel Pseudo-Differential (MAX1063)
Software-Configurable, Unipolar/Bipolar Inputs
Low Power
1.9mA (250ksps)
1.0mA (100ksps)
400µA (10ksps)
2µA (Shutdown)
Internal 3MHz Full-Power Bandwidth Track/Hold
Byte-Wide Parallel (8 + 2) Interface
Small Footprint: 28-Pin QSOP (MAX1061)
24-Pin QSOP (MAX1063)
Pin Configurations
TOP VIEW
HBEN 1
D7 2
D6 3
D5 4
D4 5
D3 6
MAX1063
24 VLOGIC
23 VDD
22 REF
21 REFADJ
20 GND
19 COM
D2 7
D1/D9 8
18 CH0
17 CH1
D0/D8 9
INT 10
RD 11
WR 12
16 CH2
15 CH3
14 CS
13 CLK
QSOP
Pin Configurations continued at end of data sheet.
Typical Operating Circuits appear at end of data sheet.
________________________________________________________________ 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.



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MAX1061 pdf
250ksps, +3V, 8-/4-Channel, 10-Bit ADCs
with +2.5V Reference and Parallel Interface
ABSOLUTE MAXIMUM RATINGS
VDD to GND ..............................................................-0.3V to +6V
VLOGIC to GND.........................................................-0.3V to +6V
CH0–CH7, COM to GND ............................-0.3V to (VDD + 0.3V)
REF, REFADJ to GND ................................-0.3V to (VDD + 0.3V)
Digital Inputs to GND ...............................................-0.3V to +6V
Digital Outputs (D0–D9, INT) to GND.....-0.3V to (VLOGIC + 0.3V)
Continuous Power Dissipation (TA = +70°C)
24-Pin QSOP (derate 9.5mW/°C above +70°C) ..........762mW
28-Pin QSOP (derate 8.0mW/°C above +70°C) ..........667mW
Operating Temperature Ranges
MAX1061_C_ _/MAX1063_C_ _ ..........................0°C to +70°C
MAX1061_E_ _/MAX1063_E_ _ .......................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+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
(VDD = VLOGIC = +2.7V to +3.6V, COM = GND, REFADJ = VDD, VREF = +2.5V, 4.7µF capacitor at REF pin, fCLK = 4.8MHz (50% duty
cycle), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
DC ACCURACY (Note 1)
Resolution
Relative Accuracy (Note 2)
Differential Nonlinearity
Offset Error
Gain Error
Gain Temperature Coefficient
SYMBOL
CONDITIONS
RES
INL
DNL
MAX106_A
MAX106_B
No missing codes over temperature
(Note 3)
MIN TYP MAX UNITS
10 Bits
±0.5
±1
LSB
±1 LSB
±2 LSB
±2 LSB
±2.0
ppm/°C
Channel-to-Channel Offset
Matching
±0.1
LSB
DYNAMIC SPECIFICATIONS (fIN(sine wave) = 50kHz, VIN = 2.5VP-P, 250ksps, external fCLK = 4.8MHz, bipolar input mode)
www.DataSheet4U.com
Signal-to-Noise Plus Distortion SINAD
60 dB
Total Harmonic Distortion
(Including 5th-Order Harmonic)
THD
-72 dB
Spurious-Free Dynamic Range
Intermodulation Distortion
Channel-to-Channel Crosstalk
Full-Linear Bandwidth
Full-Power Bandwidth
SFDR
IMD
fIN1 = 49kHz, fIN2 = 52kHz
fIN = 125kHz, VIN = 2.5VP-P (Note 4)
SINAD > 56dB
-3dB rolloff
72 dB
76 dB
-78 dB
250 kHz
3 MHz
CONVERSION RATE
Conversion Time (Note 5)
Track/Hold Acquisition Time
Aperture Delay
Aperture Jitter
External Clock Frequency
Duty Cycle
tCONV
tACQ
fCLK
External clock mode
External acquisition/internal clock mode
Internal acquisition/internal clock mode
External acquisition or external clock mode
External acquisition or external clock mode
Internal acquisition/internal clock mode
3.3
2.5 3.0 3.5 µs
3.2 3.6 4.1
625 ns
50 ns
<50
<200
ps
0.1 4.8 MHz
30 70 %
2 _______________________________________________________________________________________



Part Number MAX1061
Description (MAX1061 / MAX1063) 10-Bit ADCs
Maker Maxim Integrated Products - Maxim Integrated Products
Total Page 20 Pages
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