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AD7243AQ Arkusz danych(PDF) 2 Page - Analog Devices

Numer części AD7243AQ
Szczegółowy opis  LC2MOS 12-Bit Serial DACPORT
Download  12 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
Logo AD - Analog Devices

AD7243AQ Arkusz danych(HTML) 2 Page - Analog Devices

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AD7243–SPECIFICATIONS
Parameter
A
2
B
2
S
2
Unit
Test Conditions/Comments
STATIC PERFORMANCE
Resolution
12
12
12
Bits
Relative Accuracy
3
±1
±1/2
±1
LSB max
Differential Nonlinearity
3
±0.9
±0.9
±0.9
LSB max
Guaranteed Monotonic
Unipolar Offset Error
3
±4
±4
±5
LSB max
VSS = 0 V or –12 V to –15 V
1; DAC Latch
Contents All 0s
Bipolar Zero Error
3
±5
±5
±6
LSB max
VSS = –12 V to –15 V
1; DAC Latch Contents All 0s
Full-Scale Error
3, 4
±6
±6
±7
LSB max
Full-Scale Temperature Coefficient
5
±5
±5
±5
ppm of FSR/
Guaranteed By Process
°C typ
REFERENCE OUTPUT
Reference Output Range, REFOUT
4.95/5.05
4.95/5.05
4.95/5.05
V min/V max
Reference Temperature Coefficient
5
±25
±25
±30
ppm/
°C typ
Guaranteed By Process
Reference Load Change
(
∆REFOUT VS. IL)
–1
–1
–1
mV max
Reference Load Current (IL) Change (0–100
µA)
REFERENCE INPUT
Reference Input Range, REFIN
4.95/5.05
4.95/5.05
4.95/5.05
V min/V max
5 V
±1% for Specified Performance
Input Current
5
5
5
µA max
DIGITAL INPUTS
Input High Voltage, VINH
2.4
2.4
2.4
V min
Input Low Voltage, VINL
0.8
0.8
0.8
V max
Input Current, IIN
±1
±1
±1
µA max
VIN = 0 V to VDD
Input Capacitance
5
8
8
8
pF max
DIGITAL OUTPUT
Serial Data Out (SDO)
Output Low Voltage, VOL
0.4
0.4
0.4
V max
ISINK = 1.6 mA
Output High Voltage, VOH
4.0
4.0
4.0
V min
ISOURCE = 400
µA
ANALOG OUTPUT
Output Range Resistor, ROFS
15/30
15/30
15/30
k
Ω min/max
Typically 20 k . Guaranteed By Process
Output Voltage Ranges
6
+5, +10
+5, +10
+5, +10
V
Single Supply; VSS = 0 V
Output Voltage Ranges
6
+5, +10,
±5 +5, +10, ±5 +5, +10, ±5
V
Dual Supply; VSS = –12 V to –15 V
DC Output Impedance
5
0.5
0.5
0.5
Ω typ
AC CHARACTERISTICS
5
Voltage Output Settling-Time
Settling Time to Within
±1/2 LSB of Final Value
Positive Full-Scale Change
10
10
10
µs max
Typically 4
µs
Negative Full-Scale Change
10
10
10
µs max
Typically 5
µs
Digital-to-Analog Glitch Impulse
3
30
30
30
nV secs typ
DAC Latch Contents Toggled Between All 0s
and All 1s
Digital Feedthrough
3
10
10
10
nV secs typ
LDAC = High
POWER REQUIREMENTS
VDD Range
+10.8/+16.5 +10.8/+16.5
+11.4/+15.75
V min/V max
For Specified Performance Unless Otherwise Stated
VSS Range (Dual Supplies)
–10.8/–16.5
–10.8/–16.5
–11.4/–15.75
V min/V max
For Specified Performance Unless Otherwise Stated
IDD
10
10
10
mA max
Output Unloaded; Typically 7 mA
ISS (Dual Supplies)
2
2
2
mA max
Output Unloaded; Typically 1 mA
NOTES
1Power Supply Tolerance A, B Versions:
±10%; S Version: ±5%.
2Temperature ranges are as follows: A, B Versions: –40
°C to +85°C; S Version: –55°C to +125°C.
3See terminology.
4Measured with respect to REFIN and includes unipolar/bipolar offset error.
5Guaranteed by design and characterization, not production tested.
60 V to +10 V output range is available only with V
DD
≥ +14.25 V.
Specifications subject to change without notice.
(VDD = +12 V to +15 V,
1 V
SS = 0 V or –12 V to –15 V,
1 AGND = DGND = O V, REFIN = +5 V,
RL = 2 k , CL = 100 pF to AGND. All Specifications TMIN to TMAX unless otherwise noted.)
–2–
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