AD7226 Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
Fabricante
AD7226 Datasheet PDF : 16 Pages
| |||
AD7226–SPECIFICATIONS (VDD = 11.4 V to 16.5 V, VSS = –5 V ؎ 10%, AGND = DGND = 0 V; VREF= +2 V to (VDD– 4 V)1,
unless otherwise noted. All Specifications TMIN to TMAX unless otherwise noted.)
DUAL SUPPLY
Parameter
K, B Versions2
STATIC PERFORMANCE
Resolution
8
Total Unadjusted Error
±1
Relative Accuracy
± 0.5
Differential Nonlinearity
±1
Full-Scale Error
± 0.5
Full-Scale Temperature Coefficient
± 20
Zero Code Error
± 20
Zero Code Error Temperature Coefficient ± 50
REFERENCE INPUT
Voltage Range
Input Resistance
Input Capacitance3
2 to (VDD – 4)
2
50
200
DIGITAL INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Leakage Current
Input Capacitance
Input Coding
2.4
0.8
±1
8
Binary
DYNAMIC PERFORMANCE
Voltage Output Slew Rate4
2.5
Voltage Output Settling Time4
4
Digital Crosstalk
10
Minimum Load Resistance
2
POWER SUPPLIES
VDD Range
IDD
ISS
SWITCHING CHARACTERISTICS4, 5
Address to Write Setup Time, tAS
Address to Write Hold Time, tAH
Data Valid to Write Setup Time, tDS
Data Valid to Write Hold Time, tDH
Write Pulsewidth, tWR
11.4/16.5
13
11
0
0
50
0
50
NOTES
1Maximum possible reference voltage.
2Temperature ranges are as follows:
K Version: –40∞C to +85∞C
B Version: –40∞C to +85∞C
3Guaranteed by design. Not production tested.
4Sample Tested at 25∞C to ensure compliance.
5Switching Characteristics apply for single and dual supply operation.
Specifications subject to change without notice.
Unit
Conditions/Comments
Bits
LSB max
LSB max
LSB max
LSB max
ppm/∞C typ
mV max
mV/∞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
kW min
pF min
pF max
Occurs when each DAC is loaded with all 0s.
Occurs when each DAC is loaded with all 1s.
V min
V max
mA max
pF max
VIN = 0 V or VDD
V/ms min
ms max
nV secs typ
kW min
V min/V max
mA max
mA max
ns min
ns min
ns min
ns min
ns min
VREF = 10 V; Settling Time to ± 1/2 LSB
VOUT = 10 V
For Specified Performance
Outputs Unloaded; VIN = VINL or VINH
Outputs Unloaded; VIN = VINL or VINH
–2–
REV. D
Share Link: 