Table 7.10. Adc0 Electrical Characteristics - Silicon Laboratories C8051T620 Manual

C8051T620/1/6/7 & C8051T320/1/2/3

Table 7.10. ADC0 Electrical Characteristics

V
= 3.0 V, VREF = 2.40 V (REFSL=0), PGA Gain = 1,
DD
Parameters
DC Accuracy
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Full Scale Error
Offset Temperature Coefficient
Dynamic performance (10 kHz sine-wave single-ended input, 1 dB below Full Scale, 500 ksps)
Signal-to-Noise Plus Distortion
Total Harmonic Distortion
Spurious-Free Dynamic Range
Conversion Rate
SAR Conversion Clock
Conversion Time in SAR Clocks
Track/Hold Acquisition Time
Throughput Rate
Analog Inputs
ADC Input Voltage Range
Absolute Pin Voltage with respect
to GND
Sampling Capacitance
Input Multiplexer Impedance
Power Specifications
Power Supply Current 
(V supplied to ADC0)
DD
Power Supply Rejection
Note: Represents one standard deviation from the mean.
40
–
40 to +85 °C unless otherwise specified.
Test Condition
Guaranteed Monotonic
Up to the 5th harmonic
10-bit Mode
8-bit Mode
VDD > 2.0 V
VDD < 2.0 V
Single Ended (AIN+ – GND)
Gain = 1x (AMP0GN0 = 1)
Gain = 0.5x (AMP0GN0 = 0)
Operating Mode, 500 ksps
C8051T626/7/T320/1/2/3
C8051T626/7
Rev. 1.2
Min Typ Max
10
— ±0.5 ±1
— ±0.5 ±1
–2 0 +2
–2 0 +2
— 45 —
56 60 —
— 70 —
— 93 —
— — 8.00
13 — —
11 — —
300 — —
2.0 — —
— — 500
0 — VREF
0 — V
IO
— 5 —
— 3 —
— 5 —
— 600 900
— 640 900
— –70 —
Unit
bits
LSB
LSB
LSB
LSB
ppm/°C
dB
dB
dB
MHz
clocks
clocks
ns
µs
ksps
V
V
pF
pF
k
µA
µA
dB