Texas Instruments Hercules TMS570LS04x/03x LaunchPad Evaluation Kit LAUNCHXL-TMS57004 LAUNCHXL-TMS57004 Data Sheet
Product codes
LAUNCHXL-TMS57004
SPNS186A – OCTOBER 2012 – REVISED SEPTEMBER 2013
5.2.3
ADC Electrical and Timing Specifications
Table 5-4. MibADC Recommended Operating Conditions
Parameter
MIN
MAX
Unit
AD
REFHI
A-to-D high-voltage reference source
AD
REFLO
V
CCAD
V
AD
REFLO
A-to-D low-voltage reference source
V
SSAD
AD
REFHI
V
V
AI
Analog input voltage
AD
REFLO
AD
REFHI
V
I
AIC
Analog input clamp current
- 2
2
mA
(VAI < VSSAD – 0.3 or VAI > VCCAD + 0.3)
Table 5-5. MibADC Electrical Characteristics Over Full Ranges of Recommended Operating Conditions
(1)
Parameter
Description/Conditions
MIN
Type
MAX
Unit
R
mux
Analog input mux on-
See
95
250
Ω
resistance
R
samp
ADC sample switch on-
See
60
250
Ω
resistance
C
mux
Input mux capacitance
See
7
16
pF
C
samp
ADC sample capacitance
See
8
13
pF
I
AIL
Analog off-state input
V
CCAD
= 3.6V maximum
V
SSAD
< V
IN
< V
SSAD
+
-300
-1
200
nA
leakage current
100mV
V
SSAD
+ 100mV < V
IN
<
-200
-0.3
200
nA
V
CCAD
- 200mV
V
CCAD
- 200mV < V
IN
<
-200
1
500
nA
V
CCAD
I
AOSB
Analog on-state input bias
V
CCAD
= 3.6V maximum
V
SSAD
< V
IN
< V
SSAD
+
-8
2
µA
100mV
V
SSAD
+ 100mV < V
IN
<
-4
2
µA
V
CCAD
- 200mV
V
CCAD
- 200mV < V
IN
<
-4
12
µA
V
CCAD
I
ADREFHI
AD
REFHI
input current
AD
REFHI
= V
CCAD
, AD
REFLO
= V
SSAD
3
mA
I
CCAD
Static supply current
Normal operating mode
See
mA
ADC core in power down mode
5
µA
(1)
1 LSB = (AD
REFHI
– AD
REFLO
)/ 2
n
where n = 10 in 10-bit mode and 12 in 12-bit mode
70
Peripheral Information and Electrical Specifications
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