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LTC2440 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC2440
Description  Easy-to-Use, Ultra-Tiny, Differential, 16-Bit ADC With I2C Interface
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2440 Datasheet(HTML) 3 Page - Linear Technology

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LTC2453
3
2453f
The
denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Notes 2, 7)
ANALOG INPUTS AND REFERENCES The denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Supply Voltage
2.7
5.5
V
ICC
Supply Current
Conversion
Sleep
800
0.2
1200
0.6
μA
μA
POWER REQUIREMENTS The denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
0.7VCC
V
VIL
Low Level Input Voltage
0.3VCC
V
II
Digital Input Current
–10
10
μA
VHYS
Hysteresis of Schmidt Trigger Inputs
(Note 3)
0.05VCC
V
VOL
Low Level Output Voltage (SDA)
I = 3mA
0.4
V
IIN
Input Leakage
0.1VCC ≤ VIN ≤ VCC
1μA
CI
Capacitance for Each I/O Pin
10
pF
CB
Capacitance Load for Each Bus Line
400
pF
I2C INPUTS AND OUTPUTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN+
Positive Input Voltage Range
0VCC
V
VIN–
Negative Input Voltage Range
0VCC
V
VREF+
Positive Reference Voltage Range
VREF+ – VREF– ≥ 2.5V
VCC – 2.5
VCC
V
VREF–
Negative Reference Voltage Range
VREF+ – VREF– ≥ 2.5V
0VCC – 2.5
V
VOR+, VUR+
Overrange/Underrange Voltage, IN+
VREF = 5V, VIN– = 2.5V (See Figure 2)
8
LSB
VOR–, VUR–
Overrange/Underrange Voltage, IN–
VREF = 5V, VIN+ = 2.5V (See Figure 2)
8
LSB
CIN
IN+, INSampling Capacitance
0.35
pF
IDC_LEAK(IN+)
IN+ DC Leakage Current
VIN = GND (Note 8)
VIN = VCC (Note 8)
–10
–10
1
1
10
10
nA
nA
IDC_LEAK(IN–)
INDC Leakage Current
VIN = GND (Note 8)
VIN = VCC (Note 8)
–10
–10
1
1
10
10
nA
nA
IDC_LEAK(REF+, REF–) REF+, REFDC Leakage Current
VREF = 3V (Note 8)
–10
1
10
nA
ICONV
Input Sampling Current (Note 5)
50
nA


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