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ADC1283 Arkusz danych(PDF) 5 Page - STMicroelectronics

Numer części ADC1283
Szczegółowy opis  8 multiplexed channels, 50 ksps to 200 ksps, 12-bit SAR ADC
PDF  24 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ADC1283 Arkusz danych(HTML) 5 Page - STMicroelectronics

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Symbol
Parameters
Test conditions
Min.
Typ.
Max.
Unit
IM3
3rd order intermodulation
FIN = 19.5 / 20.5 kHz, -0.02 dBFS
AVCC = DVCC = 3.3 V
-87
dB
FIN = 19.5 / 20.5 kHz, -0.02 dBFS
AVCC =ˆDVCC = 5 V
-88
Analog input characteristics (AVCC = 2.7 V to 5.5 V)
IDCL
DC leakage current
-1
0.01
+1
µA
CINA
Input capacitance
Track mode
33
pF
Hold mode
4.5
pF
Digital input characteristics
VIH
Input high voltage
DVCC = 2.7 V to 5.5 V
0.7xDVCC
V
VIL
Input low voltage
DVCC = 2.7 V to 5.5 V
0.3xDVCC
VOH (1)
Output high voltage
DVCC = 3.3 V, Isource = -1 mA
DVCC-0.5 V
V
DVCC = 5 V, Isource = -1 mA
DVCC-0.5 V
VOL (1)
Output low voltage
DVCC = 3.3 V, Isink = 1 mA
0.4
DVCC = 5 V, Isink = 1 mA
0.4
IIN
Digital input current
VIN = 0 V or DVCC
-1
0.01
1
µA
CIND
Digital input capacitance
DVCC = 2.7 V to 5.5 V
3.5
pF
IOZH, IOZL
Hi-impedance output leakage
current
-1
0.02
1
µA
COUT
Hi-impedance output capacitance
3.5
pF
Power supply characteristic
IAVCC +
IDVCC
Total supply current, normal
mode (CS low)
AVCC = DVCC = 2.7 V to 5.5 V,
fS = 200 kSPS, FIN = 40 kHz
0.64
0.8
mA
Total supply current, shutdown
mode (CS high)
AVCC = DVCC = 2.7 V to 5.5 V,
fS = 0, -40 °C < T < 85 °C
0.02
2
µA
AVCC = DVCC = 2.7 V to 5.5 V,
fS = 0, 85 °C < T < 125 °C
10
AC characteristics (AVCC = DVCC = 2.7 V to 5.5 V)
fS
Sample rate
50
200
ksps
tCONVERT Conversion (Hold) time
13
SCLK
cycles
DC
SCLK duty cycle
40
60
%
tACQ
Acquisition (Track) time cycles
See Figure 4
3
SCLK
cycles
Throughput time
Acquisition time + Conversion time
16
SCLK
cycles
tAD
Aperture delay
4
ns
Timing specifications (AVCC = 2.7 V to 5.5 V) (1)(2)
tCSH
CS hold time after SCLK rising
edge
10
0
ns
tCSS
CS set-up time prior SCLK rising
edge
10
4.5
ns
tEN
CS falling edge to DOUT enabled
6
30
ns
ADC1283
Electrical characteristics
DS13932 - Rev 1
page 5/24



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