C8051F351 Silicon Laboratories Inc, C8051F351 Datasheet - Page 60

• Manufacturer Part Number: C8051F351
• Description: IC 8051 MCU 8K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F35xr

Specifications of C8051F351

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 50MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 17
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x24b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

C8051F350/1/2/3
60
V
Decimation Ratio = 1920, -40 to +85 °C unless otherwise noted.
Power Specifications
AV+ Supply Current to ADC0
AV+ Supply Current to Input Buff-
ers (Each Enabled Buffer)
Power Supply Rejection
†Output Word Rate assuming Modulator Clock = 2.4576 MHz (sampling clock = 19.2 kHz)
DD
Decimation
= AV+ = 3.0 V, VREF = 2.5 V External, PGA Gain = 1, MDCLK = 2.4576 MHz,
Ratio
1920
768
640
384
320
192
80
40
20
Parameter
Output Word
Table 5.3. ADC0 Electrical Characteristics (Continued)
Table 5.4. ADC0 SINC3 Filter Typical RMS Noise (µV)
100 Hz
240 Hz
480 Hz
960 Hz
Rate†
10 Hz
25 Hz
30 Hz
50 Hz
60 Hz
2974
2.38
3.90
4.50
6.00
7.26
13.1
93.2
537
1
1586
Conditions
1.23
2.04
2.39
3.21
3.96
47.7
7.11
267
2
Rev. 0.4
0.68
1.14
1.31
1.86
2.32
4.24
24.8
135
771
4
PGA Gain Setting
0.41
0.68
0.81
1.20
1.51
2.85
13.9
69.5
379
8
Min
80
0.24
0.44
0.54
0.86
1.11
2.16
9.34
38.8
196
16
Typ
230
30
0.16
0.33
0.42
0.73
0.97
1.91
7.61
25.7
108
32
Max
0.12
0.28
0.36
0.66
0.89
1.79
6.97
20.9
70.0
64
Units
0.11
0.27
0.36
0.66
0.89
1.77
6.67
18.9
45.4
128
µA
µA
dB