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LPC1786 Datasheet(PDF) 98 Page - NXP Semiconductors

Part # LPC1786
Description  32-bit ARM Cortex-M3 microcontroller
PDF  117 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

LPC1786 Datasheet(HTML) 98 Page - NXP Semiconductors

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LPC178X_7X
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Objective data sheet
Rev. 2 — 27 May 2011
98 of 117
NXP Semiconductors
LPC178x/7x
32-bit ARM Cortex-M3 microcontroller
13. DAC electrical characteristics
The values of resistor components Ri1 and Ri2 vary with temperature and input voltage and are
process-dependent.
Fig 32. ADC interface to pins ADC0_IN[n]
Table 30.
ADC interface components
Component
Range
Description
Ri1
2 k
 to 5.2 k
Switch-on resistance for channel selection switch. Varies with
temperature, input voltage, and process.
Ri2
100
 to 600 
Switch-on resistance for the comparator input switch. Varies
with temperature, input voltage, and process.
C1
750 fF
Parasitic capacitance from the ADC block level.
C2
65 fF
Parasitic capacitance from the ADC block level.
C3
2.2 pF
Sampling capacitor.
LPC17xx
AD0[n]
750 fF
65 fF
Cia
2.2 pF
Rvsi
Ri2
100
Ω - 600 Ω
Ri1
2 k
Ω - 5.2 kΩ
VSS
VEXT
002aaf197
ADC
COMPARATOR
BLOCK
C1
C3
C2
Table 31.
DAC electrical characteristics
VDDA = 2.7 V to 3.6 V; Tamb = 40 C to +85 C unless otherwise specified
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
ED
differential linearity
error
-
1-
LSB
EL(adj)
integral non-linearity
-
1.5
-
LSB
EO
offset error
-
0.6
-
%
EG
gain error
-
0.6
-
%
CL
load capacitance
-
200
-
pF
RL
load resistance
1
-
-
k



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