SiM3C157-B-GM Silicon Labs, SiM3C157-B-GM Datasheet - Page 21

• Manufacturer Part Number: SiM3C157-B-GM
• Description: ARM Microcontrollers - MCU 128KB LGA92
• Manufacturer: Silicon Labs

Specifications of SiM3C157-B-GM

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: SIM3C1xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 80 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 42 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.8 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LGA-92
• Mounting Style: SMD/SMT
• Interface Type: 2 x I2C, I2S, 3 x SPI, 2 x USART, 2 x UART
• Number Of Programmable I/os: 75
• Number Of Timers: 12 x 32 bit
• Supply Voltage - Max: 3.6 V

Table 3.14. Voltage Reference Electrical Characteristics
V
Internal Fast Settling Reference
Output Voltage
Temperature Coefficient
Turn-on Time
Power Supply Rejection
On-Chip Precision Reference (VREF0)
Valid Supply Range
Output Voltage
Short-Circuit Current
Temperature Coefficient
Load Regulation
Load Capacitor
Turn-on Time
Power Supply Rejection
External Reference
Input Current
DD
= 1.8 to 3.6 V,
Parameter
–
40 to +85 °C unless otherwise specified.
PSRR
PSRR
t
TC
TC
LR
Symbol
VREFPON
C
I
V
t
EXTREF
V
REFFS
REFFS
VREFP
V
REFP
I
VREFP
VREFP
REFFS
SC
DD
REFFS
VREFP
Sample Rate = 250 ksps;
4.7 µF tantalum, 0.1 µF
0.1 µF ceramic bypass
Rev.1.0
Load = 0 to 200 µA to
Load = 0 to 200 µA to
V
Test Condition
ceramic bypass
25 °C ambient,
25 °C ambient,
–40 to +85 °C,
VREF = 3.0 V
DD
VREF2X = 0
VREF2X = 1
VREF2X = 0
VREF2X = 1
VREF2X = 0
VREF2X = 1
VREFGND
VREFGND
= 1.8–3.6 V
1.195
1.62
2.39
Min
1.8
2.7
0.1
—
—
—
—
—
—
—
—
—
—
—
1.65
5.25
Typ
400
200
320
560
1.2
2.4
4.5
3.8
50
—
—
—
—
25
—
SiM3C1xx
1.205
Max
1.68
2.41
1.5
3.6
3.6
10
—
—
—
—
—
—
—
—
—
—
ppm/µA
ppm/°C
ppm/°C
ppm/V
ppm/V
ppm/V
Unit
mA
ms
µF
µA
µs
µs
V
V
V
V
V
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