參數(shù)資料
型號(hào)： LH79524N0F100A1
廠商： NXP Semiconductors N.V.
元件分類： 數(shù)學(xué)處理器
英文描述： System-on-Chip
封裝： LH79524N0F100A1<SOT1019-1 (LFBGA208)|<<http://www.nxp.com/packages/SOT1019-1.html<1<Always Pb-free,;LH79525N0Q100A1<SOT1017-1 (LQFP176)|<<http://www.nxp.com/packages/SOT1
文件頁數(shù)： 32/64頁
文件大小： 970K
代理商： LH79524N0F100A1
LH79524/LH79525
System-on-Chip
32
Rev. 01
—
16 July 2007
Preliminary data sheet
NXP Semiconductors
Analog-To-Digital Converter
Electrical Characteristics
Table 15 shows the ADC electrical characteristics.
See Figure 10 for the ADC transfer characteristics.
NOTES:
1. The analog section of the ADC takes 16 × A2DCLK cycles per conversion plus 1 × A2DCLK cycles to be made available in the PCLK
domain. An additional 3 × PCLK cycles are required before being available on the APB.
2. The internal voltage reference is driven to nominal value VREF = 2.0 V. Using the Reference Multiplexer, alternative low impedance
(RS < 500) voltages can be selected as reference voltages. The range of voltages allowed are specified above. However, the on-chip
reference cannot drive the ADC unless the reference buffer is switched on.
3. The analog input pins can be driven anywhere between the power supply rails. If the voltage at the input to the ADC exceeds VREF+
or is below VREF-, the A/D result will saturate appropriately at positive or negative full scale. Trying to pull the analog input pins above
or below the power supply rails will cause protection diodes to be forward-biased, resulting in large current source/sink and possible
damage to the ADC.
4. Bandgap and other low-bandwidth circuitry operating. All other ADC blocks shut down.
Table 15. ADC Electrical Characteristics
PARAMETER
MIN.
TYP.
MAX.
UNITS
NOTES
A/D Resolution
10
10
Bits
Throughput Conversion
17
CLK Cycles
1
Acquisition Time
3
CLK Cycles
Data Format
binary
CLK Frequency
500
5,000
ns
Differential Non-Linearity
-0.99
3.0
LSB
Integral Non-Linearity
-3.0
+3.0
LSB
Offset Error
-10
+10
mV
Gain Error
-2.0
+2.0
LSB
Reference Voltage Output
1.85
2.0
2.15
V
VREF-
VSSA
VSSA
(VREF+) -1.0 V
V
2
VREF+
(VREF-) +1.0 V
VREF
VDDA
V
2
Crosstalk between channels
-60
dB
Analog Input Voltage Range
0
VDDA
V
μ
A
μ
A
3
Analog Input Current
5
Reference Input Current
5
Analog input capacitance
15
pF
Operating Supply Voltage
3.0
3.6
V
μ
A
μ
A
μ
A
Operating Current, VDDA0
590
1000
Powerdown Current, VDDA0
1
10
Standby Current
180
300
4
Brown Out Trip Point (falling point)
2.36
2.63
2.9
V
Brown Out Hysterisis
120
mV
Operating Temperature
-40
85
°C
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