AD7224LN 데이터 시트보기 (PDF) - Analog Devices
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AD7224LN Datasheet PDF : 8 Pages
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AD7224–SPECIFICATIONS
DUAL SUPPLY
Parameter
(VDD = 11.4 V to 16.5 V, VSS = –5 V ؎ 10%; AGND = DGND = O V; VREF = +2 V to (VDD – 4 V)1 unless otherwise noted.
All specifications TMIN to TMAX unless otherwise noted.)
K, B, T
Versions2
L, C, U
Versions2
Units
Conditions/Comments
STATIC PERFORMANCE
Resolution
8
Total Unadjusted Error
±2
Relative Accuracy
±1
Differential Nonlinearity
±1
Full-Scale Error
± 3/2
Full-Scale Temperature Coefficient
± 20
Zero Code Error
± 30
Zero Code Error Temperature Coefficient ± 50
REFERENCE INPUT
Voltage Range
Input Resistance
Input Capacitance3
2 to (VDD – 4)
8
100
DIGITAL INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Leakage Current
Input Capacitance3
Input Coding
2.4
0.8
±1
8
Binary
DYNAMIC PERFORMANCE
Voltage Output Slew Rate3
2.5
Voltage Output Settling Time3
Positive Full-Scale Change
5
Negative Full-Scale Change
7
Digital Feedthrough
50
Minimum Load Resistance
2
POWER SUPPLIES
VDD Range
VSS Range
IDD
@ 25°C
TMIN to TMAX
ISS
@ 25°C
TMIN to TMAX
11.4/16.5
4.5/5.5
4
6
3
5
SWITCHING CHARACTERISTICS3, 4
t1
@ 25°C
90
TMIN to TMAX
90
t2
@ 25°C
90
TMIN to TMAX
90
t3
@ 25°C
0
TMIN to TMAX
0
t4
@ 25°C
0
TMIN to TMAX
0
t5
@ 25°C
90
TMIN to TMAX
90
t6
@ 25°C
10
TMIN to TMAX
10
NOTES
1Maximum possible reference voltage.
2Temperature ranges are as follows:
K, L Versions: –40°C to +85°C
B, C Versions: –40°C to +85°C
T, U Versions: –55°C to +125°C
3Sample Tested at 25°C by Product Assurance to ensure compliance.
4Switching characteristics apply for single and dual supply operation.
Specifications subject to change without notice.
8
±1
± 1/2
±1
±1
± 20
± 20
± 30
2 to (VDD – 4)
8
100
2.4
0.8
±1
8
Binary
2.5
5
7
50
2
11.4/16.5
4.5/5.5
4
6
3
5
90
90
90
90
0
0
0
0
90
90
10
10
–2–
Bits
LSB max
LSB max
LSB max
LSB max
ppm/°C max
mV max
µV/°C typ
VDD = +15 V ± 5%, VREF = +10 V
Guaranteed Monotonic
VDD = 14 V to 16.5 V, VREF = +10 V
V min to V max
kΩ min
pF max
Occurs when DAC is loaded with all 1s.
V min
V max
µA max
pF max
VIN = 0 V or VDD
V/µs min
µs max
µs max
nV secs typ
kΩ min
V min/V max
V min/V max
mA max
mA max
mA max
mA max
VREF = +10 V; Settling Time to ± 1/2 LSB
VREF = +10 V; Settling Time to ± 1/2 LSB
VREF = 0 V
VOUT = +10 V
For Specified Performance
For Specified Performance
Outputs Unloaded; VIN = VINL or VINH
Outputs Unloaded; VIN = VINL or VINH
Outputs Unloaded; VIN = VINL or VINH
Outputs Unloaded; VIN = VINL or VINH
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
Chip Select/Load DAC Pulse Width
Write/Reset Pulse Width
Chip Select/Load DAC to Write Setup Time
Chip Select/Load DAC to Write Hold Time
Data Valid to Write Setup Time
Data Valid to Write Hold Time
REV. B
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