SIM3U156-B-GQ Silicon Labs, SIM3U156-B-GQ Datasheet - Page 20

• Manufacturer Part Number: SIM3U156-B-GQ
• Description: ARM Microcontrollers - MCU ARM Cortex-M3 USB 128KB TQFP64
• Manufacturer: Silicon Labs

Specifications of SIM3U156-B-GQ

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: SIM3U1xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 80 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 32 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: TQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2 x I2C, I2S, 3 x SPI, 2 x USART, 2 x UART
• Number Of Programmable I/os: 65
• Number Of Timers: 2 x 32 bit
• Supply Voltage - Max: 3.6 V

Table 3.10. SAR ADC
SiM3U1xx
20
Resolution
Supply Voltage Requirements
(VDD)
Throughput Rate
(High Speed Mode)
Throughput Rate
(Low Power Mode)
Tracking Time
SAR Clock Frequency
Conversion Time
Sample/Hold Capacitor
Input Pin Capacitance
Input Mux Impedance
Voltage Reference Range
Input Voltage Range
Power Supply Rejection Ratio
DC Performance
Integral Nonlinearity
Notes:
1. Absolute input pin voltage is limited by the lower of the supply at VDD and VIO.
2. INL and DNL specifications for 12-bit mode do not include the first or last four ADC codes.
3. The maximum code in 12-bit mode is 0xFFFC. The Slope Error is referenced from the maximum code.
Parameter
1
PSRR
Symbol
R
V
C
V
N
t
f
t
C
INL
CNV
V
TRK
SAR
ADC
MUX
SAR
REF
f
f
bits
S
S
IN
IN
ADC
SAR Clock = 16 MHz,
APB Clock = 40 MHz.
Rev. 1.0
High Quality Inputs
High Quality Inputs
10-Bit Conversion,
High Speed Mode
High Speed Mode
High Speed Mode
Low Power Mode
Low Power Mode
Low Power Mode
Test Condition
Normal Inputs
Normal Inputs
12 Bit Mode
12 Bit Mode
10 Bit Mode
12 Bit Mode
10 Bit Mode
12 Bit Mode
10 Bit Mode
10 Bit Mode
Gain = 0.5
Gain = 0.5
Gain = 1
Gain = 1
2
Min
230
450
2.2
1.8
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
0
0
762.5
±0.2
Typ
300
550
2.5
18
20
70
±1
12
10
—
—
—
—
—
—
—
—
—
—
—
—
—
5
2xV
16.24
V
Max
62.5
±1.9
±0.5
V
250
250
3.6
3.6
—
—
—
—
—
—
—
—
—
REF
1
4
DD
REF
Msps
ksps
ksps
ksps
MHz
MHz
Unit
LSB
LSB
Bits
Bits
pF
pF
pF
pF
dB
ns
ns
ns


V
V
V
V
V