Справочник Пользователя для Silicon Laboratories C8051F342

Скачать
Страница из 282
C8051F340/1/2/3/4/5/6/7
56
Rev. 0.5
Table 5.1. ADC0 Electrical Characteristics
V
DD
 = 3.0 V, VREF = 2.40 V, –40 to +85 °C unless otherwise specified
Parameter
Conditions
Min
Typ
Max
Units
DC Accuracy
Resolution
10
bits
Integral Nonlinearity
±0.5
±1
LSB
Differential Nonlinearity
Guaranteed Monotonic
±0.5
±1
LSB
Offset Error
0
LSB
Full Scale Error
-1
LSB
Offset Temperature Coefficient
10
ppm/°C
Dynamic Performance (10 kHz sine-wave Single-ended input, 1 dB below Full Scale, 200 ksps)
Signal-to-Noise Plus Distortion
51
52.5
dB
Total Harmonic Distortion
Up to the 5
th
 harmonic
–67
dB
Spurious-Free Dynamic Range
78
dB
Conversion Rate
SAR Conversion Clock
3
MHz
Conversion Time in SAR Clocks
10
clocks
Track/Hold Acquisition Time
300
ns
Throughput Rate
200
ksps
Analog Inputs
ADC Input Voltage Range
Single Ended (AIN+ – GND)
Differential (AIN+ – AIN–)
0
–VREF
VREF
VREF
V
V
Absolute Pin Voltage with respect 
to GND
Single Ended or Differential
0
V
DD
V
Input Capacitance
5
pF
Temperature Sensor
Linearity
1
±0.1
°C
Slope
2
TBD
±TBD
mV / °C
Offset
1,2
(Temp = 0 °C)
TBD
±TBD
mV
Power Specifications
Power Supply Current (V
DD
 sup-
plied to ADC0)
Operating Mode, 200 ksps
400
900
µA
Power Supply Rejection
±0.3
mV/V
Notes:
1. Includes ADC offset, gain, and linearity variations.
2.  Represents mean ± one standard deviation.