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ADC128S022 Datasheet(PDF) 5 Page - Texas Instruments

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Part # ADC128S022
Description  ADC128S022 8-Channel, 50 kSPS to 200 kSPS, 12-Bit A/D Converter
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

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ADC128S022
www.ti.com
SNAS334E – AUGUST 2005 – REVISED MARCH 2013
ADC128S022 Converter Electrical Characteristics
(1) (continued)
The following specifications apply for AGND = DGND = 0V, fSCLK = 0.8 MHz to 3.2 MHz, fSAMPLE = 50 ksps to 200 ksps, CL =
50pF, unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25°C.
Symbol
Parameter
Conditions
Typical
Limits(2)
Units
VA = VD = +3.0V,
−97
dB
fa = 19.5 kHz, fb = 20.5 kHz
Intermodulation Distortion, Second
Order Terms
VA = VD = +5.0V,
−94
dB
fa = 19.5 kHz, fb = 20.5 kHz
IMD
VA = VD = +3.0V,
−88
dB
fa = 19.5 kHz, fb = 20.5 kHz
Intermodulation Distortion, Third Order
Terms
VA = VD = +5.0V,
−88
dB
fa = 19.5 kHz, fb = 20.5 kHz
ANALOG INPUT CHARACTERISTICS
VIN
Input Range
0 to VA
V
IDCL
DC Leakage Current
±1
µA (max)
Track Mode
33
pF
CINA
Input Capacitance
Hold Mode
3
pF
DIGITAL INPUT CHARACTERISTICS
VA = VD = +2.7V to +3.6V
2.1
V (min)
VIH
Input High Voltage
VA = VD = +4.75V to +5.25V
2.4
V (min)
VIL
Input Low Voltage
VA = VD = +2.7V to +5.25V
0.8
V (max)
IIN
Input Current
VIN = 0V or VD
±0.01
±1
µA (max)
CIND
Digital Input Capacitance
2
4
pF (max)
DIGITAL OUTPUT CHARACTERISTICS
ISOURCE = 200 µA,
VOH
Output High Voltage
VD − 0.5
V (min)
VA = VD = +2.7V to +5.25V
ISINK = 200 µA to 1.0 mA,
VOL
Output Low Voltage
0.4
V (max)
VA = VD = +2.7V to +5.25V
IOZH, IOZL
Hi-Impedance Output Leakage Current
VA = VD = +2.7V to +5.25V
±1
µA (max)
COUT
Hi-Impedance Output Capacitance (3)
2
4
pF (max)
Output Coding
Straight (Natural) Binary
POWER SUPPLY CHARACTERISTICS (CL = 10 pF)
2.7
V (min)
VA, VD
Analog and Digital Supply Voltages
VA ≥ VD
5.25
V (max)
VA = VD = +2.7V to +3.6V,
0.41
1.1
mA (max)
fSAMPLE = 200 ksps, fIN = 39.9 kHz
Total Supply Current
Normal Mode ( CS low)
VA = VD = +4.75V to +5.25V,
1.50
2.3
mA (max)
fSAMPLE = 200 ksps, fIN = 39.9 kHz
IA + ID
VA = VD = +2.7V to +3.6V,
20
nA
fSCLK = 0 ksps
Total Supply Current
Shutdown Mode (CS high)
VA = VD = +4.75V to +5.25V, fSCLK = 0
50
nA
ksps
VA = VD = +3.0V, fSAMPLE = 200 ksps, fIN
1.2
3.3
mW (max)
= 39.9 kHz
Power Consumption
Normal Mode ( CS low)
VA = VD = +5.0V, fSAMPLE = 200 ksps, fIN
7.5
11.5
mW (max)
PC
= 39.9 kHz
VA = VD = +3.0V, fSCLK = 0 ksps
0.06
µW
Power Consumption
Shutdown Mode (CS high)
VA = VD = +5.0V, fSCLK = 0 ksps
0.25
µW
(3)
Data sheet min/max specification limits are specified by design, test, or statistical analysis.
Copyright © 2005–2013, Texas Instruments Incorporated
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