User's Manual

Parameter Symbol Test Condition Min Typ Max Unit
Current on AVDD
4
, using in-
ternal reference buffer. Duty-
cycled operation. WARMUP-
MODE
2
= KEEPINSTANDBY
or KEEPINSLOWACC
I
ADCANA_STAND-
BY
125 ksps / 16 MHz ADCCLK,
BIASPROG
3
= 0
—
110 — μA
35 ksps / 16 MHz ADCCLK,
BIASPROG
3
= 0
— 80 — μA
ADC Clock Frequency f
ADCCLK
— — 16 MHz
Throughput rate f
ADCRATE
— — 1 Msps
Conversion time
5
t
ADCCONV
6 bit — 7 — cycles
8 bit — 9 — cycles
12 bit — 13 — cycles
Startup time of reference
generator and ADC core in
NORMAL mode
t
ADCSTART
WARMUPMODE
2
= NORMAL
— — 5 μs
From standby mode
WARMUPMODE
2
= KEEPIN-
STANDBY or KEEPINSLOWACC
— — 1 μs
SNDR at 1Msps and f
in
=
10kHz
SNDR
ADC
Internal reference, 2.5 V full-scale,
differential (-1.25, 1.25)
TBD 67 — dB
vrefp_in = 1.25 V direct mode with
2.5 V full-scale, differential
— 68 — dB
Spurious-Free Dynamic
Range (SFDR)
SFDR
ADC
1 MSamples/s, 10 kHz full-scale
sine wave
— 75 — dB
Input referred ADC noise,
rms
V
REF_NOISE
Including quantization noise and
distortion
— 380 — μV
Offset Error V
ADCOFFSETERR
TBD 1 TBD LSB
Gain error in ADC V
ADC_GAIN
Using internal reference — -0.2 TBD %
Using external reference — -1 — %
Differential non-linearity
(DNL)
DNL
ADC
12 bit resolution -1 — TBD LSB
Integral non-linearity (INL),
End point method
INL
ADC
12 bit resolution TBD — TBD LSB
Temperature Sensor Slope V
TS_SLOPE
— -1.84 — mV/°C
Note:
1.
PSRR is referenced to AVDD when ANASW=0 and to DVDD when ANASW=1 in EMU_PWRCTRL
2.
In ADCn_CNTL register
3. In ADCn_BIASPROG register
4. Current consumption on DVDD instead if ANASW=1 in EMU_PWRCTRL register
5. Derived from ADCCLK
BGM113 Blue Gecko Bluetooth
®
Smart Module Data Sheet
Electrical Specifications
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