EFM32LG330 Datasheet, PDF (27/66 Pages) Silicon Laboratories – High Performance 32-bit processor up to 48 MHz memory Protection Unit

Preliminary
...the world's most energy friendly microcontrollers
Symbol
f_ADCCLK
t_ADCCONV
t_ADCACQ
t_ADCACQVDD3
t_ADCSTART
SNR_ADC
Parameter
Condition
Min
ADC Clock Frequency
6 bit
Conversion time
10 bit
12 bit
Acquisition time
Programmable
Required acquisition time
for VDD/3 reference
Startup time of reference
generator and ADC core in
NORMAL mode
Startup time of reference
generator and ADC core in
KEEPADCWARM mode
1 MSamples/s, 12 bit, single
ended, internal 1.25V refer-
ence
1 MSamples/s, 12 bit, single
ended, internal 2.5V refer-
ence
1 MSamples/s, 12 bit, single
ended, V_DD reference
1 MSamples/s, 12 bit, differ-
ential, internal 1.25V refer-
ence
1 MSamples/s, 12 bit, differ-
ential, internal 2.5V reference
Signal to Noise Ratio
(SNR)
1 MSamples/s, 12 bit, differ-
ential, 5V reference
1 MSamples/s, 12 bit, differ-
ential, V_DD reference
1 MSamples/s, 12 bit, differ-
ential, 2xV_DD reference
200 kSamples/s, 12 bit, sin-
gle ended, internal 1.25V ref-
erence
200 kSamples/s, 12 bit, sin-
gle ended, internal 2.5V refer-
ence
200 kSamples/s, 12 bit, single
ended, V_DD reference
200 kSamples/s, 12 bit, dif-
ferential, internal 1.25V refer-
ence
Typ
7
11
13
1
2
Max
Unit
13 MHz
ADC-
CLK
Cycles
ADC-
CLK
Cycles
ADC-
CLK
Cycles
256 ADC-
CLK
Cycles
µs
5
µs
1
µs
59
dB
63
dB
65
dB
60
dB
65
dB
54
dB
67
dB
69
dB
62
dB
63
dB
67
dB
63
dB
2013-06-28 - EFM32LG330FXX - d0110_Rev1.10
27
www.energymicro.com