Datasheet

171
RM57L843
www.ti.com SPNS215C –FEBRUARY 2014–REVISED JUNE 2016
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Peripheral Information and Electrical SpecificationsCopyright © 2014–2016, Texas Instruments Incorporated
(1) For V
CCAD
and V
SSAD
recommended operating conditions, see Section 5.4.
(2) Input currents into any ADC input channel outside the specified limits could affect conversion results of other channels.
7.4.3 ADC Electrical and Timing Specifications
Table 7-19. MibADC Recommended Operating Conditions
PARAMETER MIN MAX UNIT
AD
REFHI
A-to-D high-voltage reference source AD
REFLO
V
CCAD
(1)
V
AD
REFLO
A-to-D low-voltage reference source V
SSAD
(1)
AD
REFHI
V
V
AI
Analog input voltage AD
REFLO
AD
REFHI
V
I
AIC
Analog input clamp current
(2)
(VAI < VSSAD – 0.3 or VAI > VCCAD + 0.3) –2 2 mA
(1) For I
CCAD
and I
CCREFHI
see Section 5.7.
(2) If a shared channel is being converted by both ADC converters at the same time, the on-state leakage is doubled.
Table 7-20. MibADC Electrical Characteristics Over Full Ranges of Recommended Operating
Conditions
(1)
PARAMETER DESCRIPTION/CONDITIONS MIN MAX UNIT
R
mux
Analog input mux on-resistance See Figure 7-10 250 Ω
R
samp
ADC sample switch on-resistance See Figure 7-10 250 Ω
C
mux
Input mux capacitance See Figure 7-10 16 pF
C
samp
ADC sample capacitance See Figure 7-10 13 pF
I
AIL
Analog off-state input leakage current V
CCAD
= 3.6 V
V
SSAD
≤ V
IN
< V
SSAD
+ 100 mV –300 200
nAV
SSAD
+ 100 mV ≤ V
IN
≤ V
CCAD
- 200 mV –200 200
V
CCAD
- 200 mV < V
IN
≤ V
CCAD
–200 500
I
AIL
Analog off-state input leakage current V
CCAD
= 5.25 V
V
SSAD
≤ V
IN
< V
SSAD
+ 300 mV –1000 250
nAV
SSAD
+ 300 mV ≤ V
IN
≤ V
CCAD
- 300 mV –250 250
V
CCAD
- 300 mV < V
IN
≤ V
CCAD
–250 1000
I
AOSB
(2)
Analog on-state input bias current V
CCAD
= 3.6 V
V
SSAD
≤ V
IN
< V
SSAD
+ 100 mV –10 2
µAV
SSAD
+ 100 mV < V
IN
< V
CCAD
- 200 mV –4 2
V
CCAD
- 200 mV < V
IN
< V
CCAD
–4 16
I
AOSB
(2)
Analog on-state input bias current V
CCAD
= 5.25 V
V
SSAD
≤ V
IN
< V
SSAD
+ 300 mV –12 3
µAV
SSAD
+ 300 mV ≤ V
IN
≤ V
CCAD
- 300 mV –5 3
V
CCAD
- 300 mV < V
IN
≤ V
CCAD
–5 18