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MAX1444 Datasheet(PDF) 2 Page - Maxim Integrated Products

Part No. MAX1444
Description  10-Bit, 40Msps, 3.0V, Low-Power ADC with Internal Reference
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1444 Datasheet(HTML) 2 Page - Maxim Integrated Products

 
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10-Bit, 40Msps, 3.0V, Low-Power
ADC with Internal Reference
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = 3V; OVDD = 2.7V; 0.1µF and 1µF capacitors from REFP, REFN, and COM to GND; VREFIN = 2.048V; REFOUT connected to
REFIN through a 10k
Ω resistor; VIN = 2VP-P (differential with respect to COM); CL = 10pF at digital outputs; fCLK = 40MHz; TA = TMIN
to TMAX, unless otherwise noted.
≥ +25°C guaranteed by production test, < +25°C guaranteed by design and characterization; typi-
cal 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
IN+, IN- to GND........................................................-0.3V to VDD
REFIN, REFOUT, REFP,
REFN, and COM to GND.........................-0.3V to (VDD + 0.3V)
OE, PD, CLK to GND..................................-0.3V to (VDD + 0.3V)
D9–D0 to GND.........................................-0.3V to (OVDD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
32-Pin TQFP (derate 18.7mW/°C above +70°C)......1495.3mW
Operating Temperature Range ...........................-40°C to +85°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 = 7.51MHz, TA
≥ +25°C
±0.6
±1.9
LSB
Differential Nonlinearity
DNL
fIN = 7.51MHz, no missing codes
guaranteed
±0.4
±1.0
LSB
Offset Error
<
±0.1
±1.7
% FS
Gain Error
TA
≥ +25°C0
±2
% FS
ANALOG INPUT
Input Differential Range
VDIFF
Differential or single-ended inputs
±1.0
V
Common-Mode
Voltage Range
VCOM
VDD/2
±0.5
V
Input Resistance
RIN
Switched capacitor load
50
k
Input Capacitance
CIN
5pF
CONVERSION RATE
Maximum Clock Frequency
fCLK
40
MHz
Data Latency
5.5
Cycles
DYNAMIC CHARACTERISTICS (fCLK = 40MHz, 4096-point FFT)
fIN = 7.51MHz
57.5
59.5
fIN = 19.91MHz
56.3
59.5
Signal-to-Noise Ratio
SNR
fIN = 39.9MHz (Note 1)
58.5
dB
fIN = 7.51MHz
57
59.4
fIN = 19.91MHz
56.1
59
Signal-to-Noise and Distortion
(Up to 5th harmonic)
SINAD
fIN = 39.9MHz (Note 1)
58.3
dB
fIN = 7.51MHz
67
75
fIN = 19.91MHz
66
74
Spurious-Free Dynamic Range
SFDR
fIN = 39.9 MHz (Note 1)
72.5
dBc


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