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MAX1184
Dual 10-Bit, 20Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = 3V, OVDD = 2.5V, 0.1F and 1.0F capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a
10k
resistor, VIN = 2VP-P (differential with respect to COM), CL = 10pF at digital outputs (Note 1), fCLK = 20MHz, TA = TMIN to TMAX,
unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
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, CLK,
COM to GND ..........................................-0.3V to (VDD + 0.3V)
OE, PD, SLEEP, T/B, D9A–D0A,
D9B–D0B to OGND .............................-0.3V to (OVDD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
48-Pin TQFP-EP (derate 30.4mW/°C above
+70°C).......................................................................2430mW
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
±1.8
% 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
Data Latency
5
Clock
Cycles
DYNAMIC CHARACTERISTICS
fINA or B = 7.5MHz, TA = +25°C
57.3
59.5
Signal-to-Noise Ratio
(Note 3)
SNR
fINA or B = 12MHz
59.4
dB
fINA or B = 7.5MHz, TA = +25°C
57
59.4
Signal-to-Noise and Distortion
(Note 3)
SINAD
fINA or B = 12MHz
59.2
dB
fINA or B = 7.5MHz, TA = +25°C
64
74
Spurious-Free Dynamic Range
(Note 3)
SFDR
fINA or B = 12MHz
72
dBc
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