ADN2860(RevB) Просмотр технического описания (PDF) - Analog Devices
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ADN2860 Datasheet PDF : 20 Pages
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ADN2860
ELECTRICAL CHARACTERISTICS
Single supply: VDD = 2.7 V to 5.5 V and −40°C < TA < +85°C, unless otherwise noted.
Dual supply: VDD = +2.25 V or +2.75 V, VSS = −2.25 V or −2.75 V, and −40°C < TA < +85°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ 1
DC CHARACTERISTICS,
RHEOSTAT MODE
Resistor Differential Nonlinearity2
Resistor Integral Nonlinearity2
R-DNL
RWB, 7-bit channel
RWB, 9-bit channels
−0.75
−2.5
Resistance Temperature Coefficent
Wiper Resistance
Channel Resistance Matching
Nominal Resistor Tolerance
DC CHARACTERISTICS,
POTENTIOMETER DIVIDER MODE
Differential Nonlinearity3
Integral Nonlinearity3
Voltage Divider Temperature
Coefficent
Full-Scale Error
Zero-Scale Error
R-INL
RWB, 7-bit channel
−0.5
R-INL
RWB, 9-bit channels, VDD = 5.5 V −2.0
R-INL
RWB, 9-bit channels, VDD = 2.7 V −4.0
(∆RWB/RWB)/∆T × 106
35
RW
VDD = 5 V, IW = 1 V/RWB
100
VDD = 3 V, IW = 1 V/RWB
250
∆RAB1/∆RAB2
Ch 1 and Ch 2 RWB, Dx = 0x1FF
0.1
∆RAB/RAB
Dx = 0x3FF
−15
DNL
7-bit channel
−0.5
DNL
9-bit channels
−2.0
INL
INL
(∆VW/VW)/∆T × 106
7-bit channel
9-bit channels
Code = half scale
−0.5
−2.0
15
VWFSE
VWZSE
7-bit channel/9-bit channels,
code = full scale
7-bit channel/9-bit channels,
code = zero scale
−1/−2.75
0/0
RESISTOR TERMINALS
Terminal Voltage Range4
Capacitance5 Ax, Bx
Capacitance5 Wx
Common-Mode Leakage Current5, 6
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VA, B, W
CA,B
CW
ICM
VIH
Input Logic Low
VIL
Output Logic High (SDA)
VOH
Output Logic Low
VOL
WP Leakage Current
IWP
VSS
f = 1 kHz, measured to GND,
85
code = half scale
f = 1 kHz, measured to GND,
95
code = half scale
VW = VDD/2
0.01
VDD = 5 V, VSS = 0 V
2.4
VDD/VSS = +2.7 V/0 V or
2.1
VDD/VSS = ±2.5 V
VDD = 5 V, VSS = 0 V
VDD/VSS = +2.7 V/0 V or
VDD/VSS = ±2.5 V
RPULL-UP = 2.2 kΩ to VDD = 5 V, 4.9
VSS = 0 V
RPULL-UP = 2.2 kΩ to VDD = 5 V,
VSS = 0 V
WP = VDD
A0 Leakage Current
IA0
A0 = GND
Max
+0.75
+2.5
+0.5
+2.0
+4.0
150
400
+15
+0.5
+2.0
+0.5
+2.0
0/0
1/2.0
VDD
1
0.8
0.6
0.4
9
3
Unit
LSB
LSB
LSB
LSB
LSB
ppm/°C
Ω
Ω
%
%
LSB
LSB
LSB
LSB
ppm/°C
LSB
LSB
V
pF
pF
μA
V
V
V
V
V
V
μA
μA
Rev. B | Page 3 of 20
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