User's Manual
Table Of Contents
- General Description
- More Information
- Contents
- Overview
- Pad Connection Interface
- Recommended Host PCB Layout
- Power Supply Connections and Recommended External Components
- Electrical Specifications
- Environmental Specifications
- Regulatory Information
- Packaging
- Ordering Information
- Acronyms
- Document Conventions
- Document History Page
- Sales, Solutions, and Legal Information
PRELIMINARY
CYBLE-224110-00
Document Number: 002-11264 Rev. *A Page 23 of 43
CSD
A_INL
Integral nonlinearity. V
DDD
= 1.71V to 3.6V,
1 Msps
–1.5 – 1.7 LSB V
REF
= 1.71V to V
DD
A_INL
Integral nonlinearity. V
DD
= 1.71V to 5.5V,
500 Ksps
–1.5 – 1.7 LSB V
REF
= 1V to V
DD
A_dnl
Differential nonlinearity. V
DD
= 1.71V to 5.5V,
1 Msps
–1 – 2.2 LSB V
REF
= 1V to V
DD
A_DNL
Differential nonlinearity. V
DD
= 1.71V to 3.6V,
1 Msps
–1 – 2 LSB V
REF
= 1.71V to V
DD
A_DNL
Differential nonlinearity. V
DD
= 1.71V to 5.5V,
500 Ksps
–1 – 2.2 LSB V
REF
= 1V to V
DD
A_THD Total harmonic distortion – – –65 dB F
IN
= 10 kHz
Table 23. SAR ADC AC Specifications (continued)
Parameter Description Min Typ Max Unit Details/Conditions
Table 24. CSD Block Specifications
Parameter Description Min Typ Max Unit Details/Conditions
V
CSD
Voltage range of operation 1.71 – 5.5 V
–
IDAC1 DNL for 8-bit resolution –1 – 1 LSB
–
IDAC1 INL for 8-bit resolution –3 – 3 LSB
–
IDAC2 DNL for 7-bit resolution –1 – 1 LSB
–
IDAC2 INL for 7-bit resolution –3 – 3 LSB
SNR Ratio of counts of finger to noise 5 – – Ratio
Capacitance range of
9 pF to 35 pF, 0.1-pF
sensitivity. Radio is not
operating during the
scan
I
DAC1_CRT1
Output current of IDAC1 (8 bits) in High
range
–612 – µA
–
I
DAC1_CRT2
Output current of IDAC1 (8 bits) in Low
range
–306 – µA
–
I
DAC2_CRT1
Output current of IDAC2 (7 bits) in High
range
–305 – µA
–
I
DAC2_CRT2
Output current of IDAC2 (7 bits) in Low
range
–153 – µA
–