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ADS1216 Datasheet(PDF) 5 Page - Texas Instruments

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Part # ADS1216
Description  8-Channel, 24-Bit ANALOG-TO-DIGITAL CONVERTER
PDF  28 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

ADS1216 Datasheet(HTML) 5 Page - Texas Instruments

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ADS1216
SBAS171B
POWER-SUPPLY REQUIREMENTS
Power-Supply Voltage
AVDD
2.7
3.3
V
Analog Current (IADC + IVREF + IDAC)
PDWN = 0, or SLEEP
1
nA
ADC Current (IADC)
PGA = 1, Buffer OFF
120
200
µA
PGA = 128, Buffer OFF
370
600
µA
PGA = 1, Buffer ON
170
250
µA
PGA = 128, Buffer ON
750
1200
µA
VREF Current (IVREF)
250
375
µA
IDAC Current (IDAC)
Excludes Load Current
480
675
µA
Digital Current
Normal Mode, DVDD = 3V
90
200
µA
SLEEP Mode, DVDD = 3V
75
µA
Read Data Continuous Mode, DVDD = 3V
113
µA
PDWN = 0
1
nA
Power Dissipation
PGA = 1, Buffer OFF, REFEN = 0,
0.6
1.2
mW
IDACS OFF, DVDD = 3V
TEMPERATURE RANGE
Operating
–40
+85
°C
Storage
–60
+100
°C
NOTES: (1) Calibration can minimize these errors. (2)
∆ V
OUT is change in digital result. (3) 12pF switched capacitor at fSAMP clock frequency.
ADS1216
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ELECTRICAL CHARACTERISTICS: AVDD = 3V (Cont.)
All specifications TMIN to TMAX, AVDD = +3V, DVDD = +2.7V to 5.25V, fMOD = 19.2kHz, PGA = 1, Buffer ON, RDAC = 75kΩ, fDATA = 10Hz,
VREF ≡ (REF IN+) – (REF IN–) = +1.25V unless otherwise specified.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Digital Input/Output
Logic Family
CMOS
Logic Level: VIH
0.8 • DVDD
DVDD
V
VIL
DGND
0.2 • DVDD
V
VOH
IOH = 1mA
DVDD – 0.4
V
VOL
IOL = 1mA
DGND
DGND + 0.4
V
Input Leakage: IIH
VI = DVDD
10
µA
IIL
VI = 0
–10
µA
Master Clock Rate: fOSC
1
5
MHz
Master Clock Period: tOSC
1/fOSC
200
1000
ns
DIGITAL SPECIFICATIONS: TMIN to TMAX, DVDD 2.7V to 5.25V



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