Texas Instruments RM46L852, Manual

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PRODUCTPREVIEW
RM46L852
www.ti.com SPNS185 – SEPTEMBER 2012
Table 5-22. MibADC Operating Characteristics Over Full Ranges of Recommended Operating
Conditions
(1) (2)
Parameter Description/Conditions MIN Type MAX Unit
CR Conversion range over AD
REFHI
- AD
REFLO
3 5.5 V
which specified
accuracy is
maintained
Z
SET
Zero Scale Offset Difference between the first ideal transition 10-bit 1 LSB
(from code 000h to 001h) and the actual mode
transition
12-bit 2 LSB
mode
F
SET
Full Scale Offset Difference between the range of the 10-bit 2 LSB
measured code transitions (from first to last) mode
and the range of the ideal code transitions
12-bit 3 LSB
mode
E
DNL
Differential Difference between the actual step width and 10-bit ± 1.5 LSB
nonlinearity error the ideal value. (See Figure 76) mode
12-bit ± 2 LSB
mode
E
INL
Integral nonlinearity Maximum deviation from the best straight line 10-bit ± 2 LSB
error through the MibADC. MibADC transfer mode
characteristics, excluding the quantization
12-bit ± 2 LSB
error.
mode
E
TOT
Total unadjusted error Maximum value of the difference between an 10-bit ± 2 LSB
(after calibration) analog value and the ideal midstep value. mode
12-bit ± 4 LSB
mode
(1) 1 LSB = (AD
REFHI
– AD
REFLO
)/ 2
12
for 12-bit mode
(2) 1 LSB = (AD
REFHI
– AD
REFLO
)/ 2
10
for 10-bit mode
Copyright © 2012, Texas Instruments Incorporated
Peripheral Information and Electrical Specifications 133
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