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| ADC128D818CIMT-NOPB Datasheet, PDF (7/40 Pages) Texas Instruments – ADC128D818 12-Bit, 8-Channel, ADC System Monitor with Temperature Sensor, Internal/External Reference, and I2C Interface | |||
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ADC128D818
www.ti.com
SNAS483E â FEBRUARY 2010 â REVISED MARCH 2013
DC Electrical Characteristics (continued)
The following specifications apply for +3.0 VDC ⤠V+ ⤠+5.5 VDC , External VREF = +2.56V, unless otherwise specified.
Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25°C(1).
Symbol
Parameter
Conditions
Min(2) Typical(3) Max(2)
Units
Internal VREF, V+ = 3.0V to 3.6V.
Internal VREF, V+ = 4.5V to 5.5V(7)
â0.25
0.45
% of FS
GE Gain Error
External VREF = 1.25V or 2.56V, V+ =
3.0V to 3.6V.
External VREF = 2.56V or 5.0V, V+ =
4.5V to 5.5V.
â0.45
0.2
% of FS
Internal VREF, Pseudo-Differential,V+ =
4.5V to 5.5V(7).
â0.15
0.2
% of FS
OE Offset Error
External VREF = 1.25V or 2.56V,
Single-Ended, V+ = 3.0V to 3.6V.
â0.5
External VREF = 2.56V or 5.0V, Single-
Ended, V+ = 4.5V to 5.5V
0.1
% of FS
External VREF = 1.25V or 2.56V,
Pseudo-Differential, V+ = 3.0V to 3.6V.
â0.2
External VREF = 2.56V or 5.0V,
Pseudo-Differential, V+ = 4.5V to 5.5V
0.15
% of FS
Continuous Conversion Mode
tC
Low Power Conversion Mode
Each Enabled Voltage Channel
Internal Temperature Sensor
Enabled Voltage Channel(s) and
Internal Temperature Sensor
12
ms
3.6
ms
728
ms
MULTIPLEXER / ADC INPUT CHARACTERISTICS
RON On Resistance
ION
Input Current (On Channel Leakage
Current)
2
10
kΩ
±0.005
μA
IOFF Off Channel Leakage Current
DIGITAL OUTPUTS: INT
VOUT(0) Logical â0â Output Voltage
IOUT = +5.0 mA at V+ = +4.5V, IOUT =
+3.0 mA at V+ = +3.0V
±0.005
μA
0.4
V
OPEN DRAIN SERIAL BUS OUTPUT: SDA
VOUT(0) Logical â0â Output Voltage
IOH High Level Output Current
DIGITAL INPUTS: A0 and A1
IOUT = +3.0 mA at V+ = +4.5V,
VOUT = V+
0.4
V
0.005
1
μA
VIN(1)
VIM
VIN(0)
Logical â1â Input Voltage
Logical Middle Input Voltage
Logical â0â Input Voltage
0.90 x V+
0.43 x V+
GND -
0.05
5.5
V
0.57 x V+
0.10 x V+
V
SERIAL BUS INPUTS: SCL and SDA
VIN(1) Logical â1â Input Voltage
VIN(0) Logical â0â Input Voltage
VHYST Hysteresis Voltage
V+ = +3.3V
V+ = +5.5V
0.7 Ã V+
5.5
v
GND -
0.05
0.3 Ã V+
V
0.67
V
1.45
V
ALL DIGITAL INPUTS: SCL, SDA, A0, A1
IIN(1)
IIN(0)
CIN
Logical â1â Input Current
Logical â0â Input Current
Digital Input Capacitance
VIN = V+
VIN = 0 VDC
â1
â 0.005
µA
0.005
1
µA
20
pF
Copyright © 2010â2013, Texas Instruments Incorporated
Product Folder Links: ADC128D818
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