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AD7828 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - High Speed 4- and 8-Channel 8-Bit ADCs - Analog Devices

भाग संख्या AD7828
समारोह High Speed 4- and 8-Channel 8-Bit ADCs
मैन्युफैक्चरर्स Analog Devices 
लोगो Analog Devices लोगो 
पूर्व दर्शन
1 Page
		
<?=AD7828?> डेटा पत्रक पीडीएफ

AD7828 pdf
AD7824/AD7828–SPECIFICATIONS (VDD = 5 V, VREF (+) = 5 V, VREF (–) = GND = O V, unless otherwise
noted. All specifications TMIN to TMAX, unless otherwise noted. Specifications apply to Mode 0.)
Parameter
K Version1 L Version B, T Versions C, U Versions Unit
Conditions/Comments
ACCURACY
Resolution
8
Total Unadjusted Error2
±1
Minimum Resolution for which
No Missing Codes Are Guaranteed 8
Channel-to-Channel Mismatch
± 1/4
8
± 1/2
8
± 1/4
8
±1
8
± 1/4
8
± 1/2
8
± 1/4
Bits
LSB max
Bits
LSB max
REFERENCE INPUT
Input Resistance
VREF (+) Input Voltage Range
VREF (–) Input Voltage Range
ANALOG INPUT
Input Voltage Range
Input Leakage Current
Input Capacitance3
1.0/4.0
VREF (–)/
VDD
GND/
VREF (+)
1.0/4.0
VREF (–)/
VDD
GND/
VREF (+)
1.0/4.0
VREF (–)/
VDD
GND/
VREF (+)
VREF (–)/
VREF (+)
±3
45
VREF (–)/
VREF (+)
±3
45
VREF (–)/
VREF (+)
±3
45
1.0/4.0
VREF (–)/
VDD
GND/
VREF (+)
VREF (–)/
VREF (+)
±3
45
kmin/kmax
V min/V max
V min/V max
V min/V max
µA max
pF typ
Analog Input Any Channel
0 V to 5 V
LOGIC INPUTS
RD, CS, A0, A1, and A2
VINH
VINL
IINH
IINL
Input Capacitance3
2.4 2.4 2.4
0.8 0.8 0.8
1 11
–1 –1 –1
8 88
2.4 V min
0.8 V max
1 µA max
–1 µA max
8
pF max
Typically 5 pF
LOGIC OUTPUTS
DB0–DB7 and INT
VOH
VOL
IOUT (DB0–DB7)
Output Capacitance3
RDY
VOL4
IOUT
Output Capacitance
4.0 4.0 4.0
0.4 0.4 0.4
±3 ±3 ±3
8 88
0.4 0.4 0.4
±3 ±3 ±3
8 88
4.0
V min
ISOURCE = 360 µA
0.4
V max
ISINK = 1.6 mA
±3
µA max
Floating State Leakage
8
pF max
Typically 5 pF
0.4
V max
ISINK = 2.6 mA
±3
µA max
Floating State Leakage
8
pF max
Typically 5 pF
SLEW RATE, TRACKING3
0.7
0.157
0.7
0.157
0.7
0.157
0.7
0.157
V/µs typ
V/µs max
POWER SUPPLY
VDD
IDD5
Power Dissipation
Power Supply Sensitivity
5
16
50
80
± 1/4
5
16
50
80
± 1/4
5
20
50
100
± 1/4
NOTES
1Temperature ranges are as follows: K, L Versions: 0°C to 70°C
B, C Versions: –40°C to +85°C
T, U Versions: –55°C to +125°C
2Total Unadjusted Error includes offset, full-scale and linearity errors.
3Sample tested at 25°C by Product Assurance to ensure compliance.
4RDY is an open-drain output.
5See Typical Performance Characteristics.
Specifications subject to change without notice.
5 V ± 5% for Specified
Performance
20
mA max
CS = RD = 2.4 V
50 mW typ
100 mW max
± 1/4
LSB max
± 1/16 LSB typ
VDD = 5 V ± 5%
–2– REV. F

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डाउनलोड[ AD7828 Datasheet.PDF ]


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