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MAX1185 Datasheet(PDF) 2 Page - Maxim Integrated Products

Part No. MAX1185
Description  Dual 10-Bit, 20Msps, 3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1185 Datasheet(HTML) 2 Page - Maxim Integrated Products

 
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Dual 10-Bit, 20Msps, +3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = +3V, OVDD = +2.5V, 0.1µF and 1µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a
10k
Ω resistor, VIN = 2Vp-p (differential w.r.t. COM), CL = 10pF at digital outputs (Note 5), fCLK = 20MHz,
TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +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.
VDD, OVDD to GND ...............................................-0.3V to +3.6V
OGND to GND.......................................................-0.3V to +0.3V
INA+, INA-, INB+, INB- to GND ...............................-0.3V to VDD
REFIN, REFOUT, REFP, REFN, COM,
CLK to GND............................................-0.3V to (VDD + 0.3V)
OE, PD, SLEEP, T/B, D9A/B–D0A/B,
A/B to OGND .......................................-0.3V to (OVDD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
48-Pin TQFP (derate 12.5mW/°C above +70°C).......1000mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY
Resolution
10
Bits
Integral Nonlinearity
INL
fIN = 7.5MHz
±0.5
±1.5
LSB
Differential Nonlinearity
DNL
fIN = 7.5MHz, no missing codes guaranteed
±0.25
±1.0
LSB
Offset Error
<
±1
±1.7
% FS
Gain Error
0
±2
% FS
ANALOG INPUT
Differential Input Voltage
Range
VDIFF
Differential or single-ended inputs
±1.0
V
Common-Mode Input Voltage
Range
VCM
VDD/2
± 0.5
V
Input Resistance
RIN
Switched capacitor load
100
k
Input Capacitance
CIN
5pF
CONVERSION RATE
Maximum Clock Frequency
fCLK
20
MHz
CHA
5
Data Latency
CHB
5.5
Clock
Cycles
DYNAMIC CHARACTERISTICS (fCLK = 20MHz, 4096-point FFT)
fINA or B = 7.5MHz, TA = +25
°C
57.3
59.5
Signal-to-Noise Ratio
SNR
fINA or B = 12MHz
59.4
dB
fINA or B = 7.5MHz, TA = +25
°C
57
59.4
Signal-to-Noise and Distortion
SINAD
fINA or B = 12MHz
59.2
dB
fINA or B = 7.5MHz, TA = +25
°C64
74
Spurious-Free Dynamic Range
SFDR
fINA or B = 12MHz
72
dBc


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