C8051F351 Silicon Laboratories Inc, C8051F351 Datasheet - Page 69

• 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: -

V
Internal Reference
Output Voltage
VREF Short-Circuit Current
VREF Temperature Coefficient
Load Regulation
VREF Turn-on Time 1 (0.01%) 4.7 µF tantalum, 0.1 µF ceramic
VREF Turn-on Time 2 (0.01%) 0.1µF ceramic bypass
VREF Turn-on Time 3 (0.01%) no bypass cap
Power Supply Rejection
External Reference
Input Voltage Range
(VREF+ - VREF-)
Voltage on VREF+ or VREF-
pin with respect to AGND
Input Current
Common Mode Rejection Ratio
Power Specifications
Internal Oscillator Bias Genera-
tor
Internal Reference Bias Gener-
ator
Band Gap Generator
DD
= 3.0 V; -40 to +85 °C unless otherwise specified
Parameter
Table 7.1. Voltage Reference Electrical Characteristics
25°C ambient
To AGND
To AV+
Load = 0 to 200 µA to AGND
bypass
VREF = 2.5 V
Conditions
Rev. 0.4
C8051F350/1/2/3
Min
1
0
2.45
Typ
400
120
0.5
3.9
2.5
20
15
50
42
70
9
3
2
Max
AV+
AV+
ppm/µA
ppm/°C
Units
mA
ms
µA
dB
µA
dB
µA
µA
µA
µs
µs
V
V
V
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