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LPC1765 Datasheet(PDF) 67 Page - NXP Semiconductors

Part # LPC1765
Description  32-bit ARM Cortex-M3 microcontroller; up to 512 kB flash and 64 kB SRAM with Ethernet, USB 2.0 Host/Device/OTG, CAN
PDF  86 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

LPC1765 Datasheet(HTML) 67 Page - NXP Semiconductors

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LPC1769_68_67_66_65_64_63
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2014. All rights reserved.
Product data sheet
Rev. 9.3 — 8 January 2014
67 of 86
NXP Semiconductors
LPC1769/68/67/66/65/64/63
32-bit ARM Cortex-M3 microcontroller
14. DAC electrical characteristics
Remark: The DAC is available on parts LPC1769/68/67/66/65/63. See Table 2.
The values of resistor components Ri1 and Ri2 vary with temperature and input voltage and are
process-dependent (see Table 21).
Parasitic resistance and capacitance from the pad are not included in this figure.
Fig 27. ADC interface to pins AD0[n]
Table 21.
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 kΩ - 5.2 kΩ
VSS
VEXT
002aaf197
ADC
COMPARATOR
BLOCK
C1
C3
C2
Table 22.
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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