User's Manual

DOC No: ZB7-DTS-D02
____________________________________________________________________________________
Copyright © JORJIN TECHNOLOGIES INC. 2016 19
http://WWW.JORJIN.COM.TW
CONFIDENTIAL
4.13. 32-kHz RC Oscillator (RCOSC_LF)
Tc = 25°C, VDDS = 3.0 V, unless otherwise noted.
Parameter
Test Conditions
Min
Typ
Max
Units
Calibrated frequency
32.8
KHz
Temperature coefficient
50
ppm/°C
4.14. ADC Characteristics
(1)
Tc = 25°C, VDDS = 3.0 V and voltage scaling enabled, unless otherwise noted.
Parameter
Test Conditions
Min
Typ
Max
Units
Input voltage range
0
V
DDS
V
Resolution
12
Bits
Sample rate
200
ksps
Offset
Internal 4.3-V equivalent reference
(2)
2
LSB
Gain error
Internal 4.3-V equivalent reference
(2)
2.4
LSB
DNL
(3)
Differential nonlinearity
>-1
LSB
INL Integral nonlinearity
±3
LSB
ENOB Effective number of bits
Internal 4.3-V equivalent reference
(2)
, 200
ksps, 9.6-kHz input tone
9.8
Bits
VDDS as reference, 200 ksps, 9.6-kHz
input tone
10
Bits
Internal 1.44-V reference, voltage scaling
disabled, 32 samples average, 200 ksps,
300-Hz input tone
11.1
Bits
THD - Total harmonic distortion
Internal 4.3-V equivalent reference
(2)
,
200 ksps, 9.6-kHz input tone
-65
dB
VDDS as reference, 200 ksps, 9.6-kHz
input tone
-69
dB
Internal 1.44-V reference, voltage scaling
disabled, 32 samples average, 200 ksps,
300-Hz input tone
-71
dB
SINAD / SNDR -
Signal-to-noise and distortion
ratio
Internal 4.3-V equivalent reference
(2)
, 200
ksps, 9.6-kHz input tone
60
dB
VDDS as reference, 200 ksps, 9.6-kHz
63
dB