CY8C58LP Datasheet, PDF (81/122 Pages) Cypress Semiconductor – Programmable System-on-Chip (PSoC®)

PSoC^® 5LP: CY8C58LP Family
PRELIMINARY
Datasheet
Table 11-20. 20-bit Delta-sigma ADC DC Specifications (continued)
Parameter
Description
Conditions
Vextref
ADC external reference input voltage, see
also internal reference in Voltage
Pins P0[3], P3[2]
Reference on page 84
Current Consumption
I_{DD_20}
I_{DD_16}
I_{DD_12}
I_{DD_8}
I_BUFF
I_DDA + I_DDD Current consumption, 20 bit^[42] 187 sps, unbuffered
I_DDA + I_DDD Current consumption, 16 bit^[42] 48 ksps, unbuffered
I_DDA + I_DDD Current consumption, 12 bit^[42] 192 ksps, unbuffered
I_DDA + I_DDD Current consumption, 8 bit^[42] 384 ksps, unbuffered
Buffer current consumption^[42]
Table 11-21. Delta-sigma ADC AC Specifications
Parameter
Description
THD
Startup time
Total harmonic distortion^[42]
20-Bit Resolution Mode
SR20
Sample rate^[42]
BW20
Input bandwidth at max sample rate^[42]
16-Bit Resolution Mode
SR16
Sample rate^[42]
BW16
Input bandwidth at max sample rate^[42]
SINAD16int Signal to noise ratio, 16-bit, internal
reference^[42]
SINAD16ext Signal to noise ratio, 16-bit, external
reference^[42]
12-Bit Resolution Mode
SR12
Sample rate, continuous, high power^[42]
BW12
Input bandwidth at max sample rate^[42]
SINAD12int Signal to noise ratio, 12-bit, internal
reference^[42]
8-Bit Resolution Mode
SR8
Sample rate, continuous, high power^[42]
BW8
Input bandwidth at max sample rate^[42]
SINAD8int Signal to noise ratio, 8-bit, internal
reference^[42]
Conditions
Buffer gain = 1, 16 bit,
Range = ±1.024 V
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Range = ±1.024V, unbuffered
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Range = ±1.024 V, unbuffered
Min Typ
0.9
–
Max
1.3
Units
V
–
–
1.5
mA
–
–
1.5
mA
–
–
1.95
mA
–
–
1.95
mA
–
–
2.5
mA
Min Typ Max Units
–
–
4
Samples
–
– 0.0032
%
7.8
–
187
sps
–
40
–
Hz
2
–
48
ksps
–
11
–
kHz
81
–
–
dB
84
–
–
dB
4
–
192
ksps
–
44
–
kHz
66
–
–
dB
8
–
384
ksps
–
88
–
kHz
43
–
–
dB
Note
42. Based on device characterization (not production tested).
Document Number: 001-84932 Rev. **
Page 81 of 122