AD7224TQ Просмотр технического описания (PDF) - Analog Devices
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AD7224TQ Datasheet PDF : 8 Pages
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AD7224
SINGLE SUPPLY (VDD = +15 V ؎ 5%; VSS = AGND = DGND = O V; VREF = +10 V1 unless otherwise noted.
All specifications TMIN to TMAX unless otherwise noted.)
Parameter
K, B, T
Versions2
L, C, U
Versions2
Units
Conditions/Comments
STATIC PERFORMANCE
Resolution
8
Total Unadjusted Error
±2
Differential Nonlinearity
±1
REFERENCE INPUT
Input Resistance
8
Input Capacitance3
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 Rate4
2
Voltage Output Settling Time4
Positive Full-Scale Change
5
Negative Full-Scale Change
20
Digital Feedthrough3
50
Minimum Load Resistance
2
POWER SUPPLIES
VDD Range
IDD
@ 25°C
TMIN to TMAX
14.25/15.75
4
6
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:
AD7224KN, LN: 0°C to +70°C
AD7224BQ, CQ: –25°C to +85°C
AD7224TD, UD: –55°C to +125°C
3See Terminology.
4Sample tested at 25°C by Product Assurance to ensure compliance.
Specifications subject to change without notice.
8
±2
±1
8
100
2.4
0.8
±1
8
Binary
2
5
20
50
2
14.25/15.75
4
6
90
90
90
90
0
0
0
0
90
90
10
10
Bits
LSB max
LSB max
kΩ min
pF max
V min
V max
µA max
pF max
Guaranteed Monotonic
Occurs when DAC is loaded with all 1s.
VIN = 0 V or VDD
V/µs min
µs max
µs max
nV secs typ
kΩ min
V min/V max
mA max
mA max
Settling Time to ± 1/2 LSB
Settling Time to ± 1/2 LSB
VREF = 0 V
VOUT = +10 V
For Specified Performance
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
–3–
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