Datasheet

F28M36P63C, F28M36P53C, F28M36H53C, F28M36H53B, F28M36H33C, F28M36H33B
www.ti.com SPRS825C –OCTOBER 2012–REVISED FEBRUARY 2014
7.1.1.5 ADC Electrical Data and Timing
Table 7-1. ADC Electrical Characteristics
over recommended operating conditions (unless otherwise noted)
PARAMETER MIN TYP MAX UNIT
DC SPECIFICATIONS
Resolution 12 Bits
ADC clock 2 37.5 MHz
Sample Window 7 64 ADC
Clocks
ACCURACY
INL (Integral nonlinearity) –4 4 LSB
DNL (Differential nonlinearity) –1 1.5 LSB
Offset error Executing a single self- –20 0 20 LSB
recalibration
Executing periodic self- –4 0 4
recalibration
Overall gain error with internal reference –60 60 LSB
Overall gain error with external reference –40 40 LSB
Channel-to-channel offset variation –4 4 LSB
Channel-to-channel gain variation –4 4 LSB
V
REFLO
input current –100 µA
V
REFHI
input current 100 µA
ANALOG INPUT
Analog input voltage with internal reference 0 3.3 V
Analog input voltage with external reference V
REFLO
V
REFHI
V
V
REFLO
input voltage V
SSA
0.66 V
V
REFHI
input voltage 2.64 V
DDA
V
Input capacitance 5 pF
Input leakage current ±2 μA
ADDITIONAL
ADC SNR 65 dB
ADC SINAD 62 dB
ADC THD (50 kHz) –65 dB
ENOB (SNR) 10.1 Bits
SFDR 66 dB
Copyright © 2012–2014, Texas Instruments Incorporated Peripheral Information and Timings 157
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