NXP Semiconductors LPC5411 Series, Product Data Sheet

Page: 82 / 105

LPC5411x All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet Rev. 2.1 — 9 May 2018 82 of 105
NXP Semiconductors
LPC5411x
32-bit ARM Cortex-M4/M0+ microcontroller
Table 38. ADC sampling times
[1]
T
amb
= -40

C to 85

C; 1.62 V

V
DDA

3.6 V; 1.62 V

V
DD

3.6 V
Symbol Parameter Conditions Min Typ Max Unit
ADC inputs ADC_5 to ADC_0 (fast channels); ADC resolution = 12 bit
t
s
sampling time Z
o
< 0.05 k Ω
[3]
20 - - ns
0.05 k Ω

Z
o
< 0.1 k Ω 23 - - ns
0.1 k Ω

Z
o
< 0.2 k Ω 26 - - ns
0.2 k Ω

Z
o
< 0.5 k Ω 31 - - ns
0.5 k Ω

Z
o
< 1 k Ω 47 - - ns
1 k Ω

Z
o
< 5 k Ω 75 - - ns
ADC inputs ADC_5 to ADC_0 (fast channels); ADC resolution = 10 bit
t
s
sampling time Z
o
< 0.05 k Ω
[3]
15 - - ns
0.05 k Ω

Z
o
< 0.1 k Ω 18 - - ns
0.1 k Ω

Z
o
< 0.2 k Ω 20 - - ns
0.2 k Ω

Z
o
< 0.5 k Ω 24 - - ns
0.5 k Ω

Z
o
< 1 k Ω 38 - - ns
1 k Ω

Z
o
< 5 k Ω 62 - - ns
ADC inputs ADC_5 to ADC_0 (fast channels); ADC resolution = 8 bit
t
s
sampling time Z
o
< 0.05 k Ω
[3]
12 - - ns
0.05 k Ω

Z
o
< 0.1 k Ω 13 - - ns
0.1 k Ω

Z
o
< 0.2 k Ω 15 - - ns
0.2 k Ω

Z
o
< 0.5 k Ω 19 - - ns
0.5 k Ω

Z
o
< 1 k Ω 30 - - ns
1 k Ω

Z
o
< 5 k Ω 48 - - ns
ADC inputs ADC_5 to ADC_0 (fast channels); ADC resolution = 6 bit
t
s
sampling time Z
o
< 0.05 k Ω
[3]
9 - - ns
0.05 k Ω

Z
o
< 0.1 k Ω 10 - - ns
0.1 k Ω

Z
o
< 0.2 k Ω 11 - - ns
0.2 k Ω

Z
o
< 0.5 k Ω 13 - - ns
0.5 k Ω

Z
o
< 1 k Ω 22 - - ns
1 k Ω

Z
o
< 5 k Ω 36 - - ns
ADC inputs ADC_11 to ADC_6 (slow channels); ADC resolution = 12 bit
t
s
sampling time Z
o
< 0.05 k Ω
[3]
43 - - ns
0.05 k Ω

Z
o
< 0.1 k Ω 46 - - ns
0.1 k Ω

Z
o
< 0.2 k Ω 50 - - ns
0.2 k Ω

Z
o
< 0.5 k Ω 56 - - ns
0.5 k Ω

Z
o
< 1 k Ω 74 - - ns
1 k Ω

Z
o
< 5 k Ω 105 - - ns