AD7846KN(RevE) データシートの表示（PDF） - Analog Devices
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AD7846KN Datasheet PDF : 16 Pages
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(VDD = +14.25 V to +15.75 V; VSS = –14.25 V to –15.75 V; VCC = +4.75 V to +5.25 V.
AD7846–SPECIFICATIONS1 VOUT loaded with 2 k⍀, 1000 pF to 0 V; VREF+ = +5 V; RIN connected to 0 V. All
specifications TMIN to TMAX, unless otherwise noted.)
Parameter
J, A Versions K, B Versions Unit
Test Conditions/Comments
RESOLUTION
16
UNIPOLAR OUTPUT
Relative Accuracy @ +25°C
± 12
TMIN to TMAX
± 16
Differential Nonlinearity Error
±1
Gain Error @ +25°C
± 12
TMIN to TMAX
± 16
Offset Error @ +25°C
± 12
TMIN to TMAX
± 16
Gain TC2
±1
Offset TC2
±1
16
Bits
VREF– = 0 V, VOUT = 0 V to +10 V
±4
LSB typ
1 LSB = 153 µV
±8
LSB max
± 0.5
LSB max
All Grades Guaranteed Monotonic
±6
LSB typ
VOUT Load = 10 MΩ
± 16
LSB max
±6
LSB typ
± 16
LSB max
±1
ppm FSR/°C typ
±1
ppm FSR/°C typ
BIPOLAR OUTPUT
Relative Accuracy @ +25°C
±6
TMIN to TMAX
±8
Differential Nonlinearity Error
±1
Gain Error @ +25°C
±6
TMIN to TMAX
± 16
Offset Error @ +25°C
±6
TMIN to TMAX
± 16
Bipolar Zero Error @ +25°C
±6
TMIN to TMAX
± 12
Gain TC2
±1
Offset TC2
±1
Bipolar Zero TC2
±1
±2
LSB typ
VREF– = –5 V, VOUT = –10 V to +10 V
1 LSB = 305 µV
±4
LSB max
± 0.5
LSB max
All Grades Guaranteed Monotonic
±4
LSB typ
± 16
LSB max
VOUT Load = 10 MΩ
±4
LSB typ
± 12
LSB max
VOUT Load = 10 MΩ
±4
LSB typ
±8
LSB max
±1
ppm FSR/°C typ
±1
ppm FSR/°C typ
±1
ppm FSR/°C typ
REFERENCE INPUT
Input Resistance
VREF+ Range
VREF– Range
OUTPUT CHARACTERISTICS
Output Voltage Swing
Resistive Load
Capacitive Load
Output Resistance
Short Circuit Current
20
40
VSS + 6 to
VDD – 6
VSS + 6 to
VDD – 6
VSS + 4 to
VDD – 3
2
1000
0.3
± 25
20
40
VSS + 6 to
VDD – 6
VSS + 6 to
VDD – 6
VSS + 4 to
VDD – 3
2
1000
0.3
± 25
kΩ min
kΩ max
Volts
Volts
V max
kΩ min
pF max
Ω typ
mA typ
Resistance from VREF+ to VREF –
Typically 30 kΩ
To 0 V
To 0 V
To 0 V or Any Power Supply
DIGITAL INPUTS
VIH (Input High Voltage)
2.4
2.4
V min
VIL (Input Low Voltage)
0.8
0.8
V max
IIN (Input Current)
± 10
± 10
µA max
CIN (Input Capacitance)2
10
10
pF max
DIGITAL OUTPUTS
VOL (Output Low Voltage)
VOH (Output High Voltage)
Floating State Leakage Current
Floating State Output Capacitance2
POWER REQUIREMENTS3
VDD
VSS
VCC
IDD
ISS
ICC
Power Supply Sensitivity4
Power Dissipation
0.4
4.0
± 10
10
+11.4/+15.75
–11.4/–15.75
+4.75/+5.25
5
5
1
1.5
100
0.4
4.0
± 10
10
+11.4/+15.75
–11.4/–15.75
+4.75/+5.25
5
5
1
1.5
100
Volts max
Volts min
µA max
pF max
V min/V max
V min/V max
V min/V max
mA max
mA max
mA max
LSB/V max
mW typ
NOTES
1Temperature ranges as follows: J, K Versions: 0°C to +70°C; A, B Versions: –40°C to +85°C
2Guaranteed by design and characterization, not production tested.
3The AD7846 is functional with power supplies of ± 12 V. See Typical Performance Curves.
4Sensitivity of Gain Error, Offset Error and Bipolar Zero Error to VDD, VSS variations.
ISINK = 1.6 mA
ISOURCE = 400 µA
DB0–DB15 = 0 to VCC
VOUT Unloaded
VOUT Unloaded
VOUT Unloaded
Specifications subject to change without notice.
–2–
REV. E
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