參數(shù)資料
型號： LPC1317FBD48,551
廠商： NXP Semiconductors
文件頁數(shù)： 55/77頁
文件大小： 0K
描述： IC MCU 32BIT 64KB FLASH 48LQFP
標準包裝： 250
系列： LPC13xx
核心處理器： ARM? Cortex?-M3
芯體尺寸： 32-位
速度： 72MHz
連通性： I²C，Microwire，SPI，SSI，SSP，UART/USART
外圍設備： 欠壓檢測/復位，POR，WDT
輸入/輸出數(shù)： 40
程序存儲器容量： 64KB（64K x 8）
程序存儲器類型： 閃存
EEPROM 大小： 4K x 8
RAM 容量： 10K x 8
電壓 - 電源 (Vcc/Vdd)： 2 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x12b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 48-LQFP
包裝： 托盤
其它名稱： 568-9593
LPC1315_16_17_45_46_47
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 3 — 20 September 2012
59 of 77
NXP Semiconductors
LPC1315/16/17/45/46/47
32-bit ARM Cortex-M3 microcontroller
11. ADC electrical characteristics
[1]
Select the ADC low-power mode by setting the LPWRMODE bit in the ADC CR register. See the LPC1315/16/17/45/46/47 user manual.
[2]
The ADC is monotonic, there are no missing codes.
[3]
The differential linearity error (ED) is the difference between the actual step width and the ideal step width. See Figure 27.
[4]
The integral non-linearity (EL(adj)) is the peak difference between the center of the steps of the actual and the ideal transfer curve after
appropriate adjustment of gain and offset errors. See Figure 27.
[5]
The offset error (EO) is the absolute difference between the straight line which fits the actual curve and the straight line which fits the
ideal curve. See Figure 27.
[6]
ADCOFFS value (bits 7:4) = 2 in the ADC TRM register. See the LPC1315/16/17/45/46/47 user manual.
[7]
The gain error (EG) is the relative difference in percent between the straight line fitting the actual transfer curve after removing offset
error, and the straight line which fits the ideal transfer curve. See Figure 27.
[8]
The absolute error (ET) is the maximum difference between the center of the steps of the actual transfer curve of the non-calibrated
ADC and the ideal transfer curve. See Figure 27.
[9]
[10] The conversion frequency corresponds to the number of samples per second.
Table 17.
ADC characteristics
VDDA = 2.7 V to 3.6 V; Tamb = 40 C to +85 C unless otherwise specified; 12-bit resolution.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIA
analog input voltage
0
-
VDDA
V
Cia
analog input capacitance
-
5
-
pF
IDDA(ADC)
ADC analog supply current on pin VDDA (LQFP64
package only)
low-power mode
-
A
during ADC
conversions
-350
-
A
ED
differential linearity error
1LSB
EL(adj)
integral non-linearity
5LSB
EO
offset error
2.5
LSB
EG
gain error
0.3
%
ET
absolute error
[8] --7
LSB
Rvsi
voltage source interface
resistance
-k
fclk(ADC)
ADC clock frequency
-
15.5
MHz
fc(ADC)
ADC conversion frequency
[10] --500
kHz
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