User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 781 of 909 2019 Ambiq Micro, Inc.
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TSNGLSLOT_SC
NCMP_PM12
Delay from scan start to scan
complete, precision mode 12
28 cycles
TSNGLSLOT_SC
NCMP_PM10
Delay from scan start to scan
complete, precision mode 10
22 cycles
TSNGLSLOT_SC
NCMP_PM8
Delay from scan start to scan
complete, precision mode 8
18 cycles
T
CAL
Calibration Period 6415 cycles
DYNAMIC CHARACTERISTICS, External 2v Reference
(LDO or Buck Mode,
a
Single/Diff. Ended Input, 1 kHz Input, ADC Running in 14-bit Mode
ENOB
CAL
Calibrated ENOB 3.0V 10.3 10.9 ENOB
THD
ADC
Total harmonic distortion (THD)
- 1st 7 harmonics
3.0V -80.4 -71.7 dB
SNR
ADC
Signal-to-noise ratio (SNR) 3.0V 64.1 68 dB
SFDR
ADC
Spurious-free dynamic range
(SFDR)
3.0V 78.55 85.9 dB
SINAD
ADC
Signal-to-noise and distortion
ratio (SINAD)
3.0V 64.04 67.7 dB
DYNAMIC CHARACTERISTICS, Internal 1.5V Reference
(LDO Mode, Single/Diff. Ended Input, 1 kHz Input, ADC Running in 14-bit Mode)
ENOB
CAL
Calibrated ENOB
3.0V 10.2 10.6 ENOB
1.8V 10.6 10.9 ENOB
THD
ADC
Total harmonic distortion (THD)
- 1st 7 harmonics
3.0V -70.4 -61 dB
1.8V -73.9 -65 dB
SNR
ADC
Signal-to-noise ratio (SNR)
3.0V 66.1 dB
1.8V 67.5 dB
SFDR
ADC
Spurious-free dynamic range
(SFDR)
3.0V 65.7 72.7 dB
1.8V 70.7 76.1 dB
SINAD
ADC
Signal-to-noise and distortion
ratio (SINAD)
3.0V 63.1 65.8 dB
1.8V 65.7 67.2 dB
DYNAMIC CHARACTERISTICS, Internal 1.5V Reference
(Buck Mode, Single/Diff. Ended Input, 1 kHz Input, ADC Running in 14-bit Mode)
ENOB
CAL
Calibrated ENOB
3.0V 9.6 10.2 ENOB
1.8V 9.4 10.1 ENOB
THD
ADC
Total harmonic distortion (THD)
- 1st 7 harmonics
3.0V -70 -60 dB
1.8V -74 -64 dB
SNR
ADC
Signal-to-noise ratio (SNR)
3.0V 63.4 dB
1.8V 63.2 dB
SFDR
ADC
Spurious-free dynamic range
(SFDR)
3.0V 65.6 72.7 dB
1.8V 64.7 75.3 dB
SINAD
ADC
Signal-to-noise and distortion
ratio (SINAD)
3.0V 59.8 63.1 dB
1.8V 58.2 62.9 dB
PERFORMANCE
Symbol Parameter Test Conditions Min Typ Max Unit