EVAL-AD7898CB(Rev0) 查看數據表（PDF） - Analog Devices
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EVAL-AD7898CB Datasheet PDF : 16 Pages
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AD7898–SPECIFICATIONS1 (VDD = 4.75 V to 5.25 V, VDRIVE = 2.7 V to 5.25 V; REF IN = 2.5 V. Specifications apply
to both Mode 0 and Mode 1 operations; TA = TMIN to TMAX, unless otherwise noted.)
Parameter
DYNAMIC PERFORMANCE
Signal to (Noise + Distortion) Ratio2
TMIN to TMAX
Total Harmonic Distortion (THD)2
Peak Harmonic or Spurious Noise2
Intermodulation Distortion (IMD)2
2nd Order Terms
3rd Order Terms
Aperture Delay
Aperture Jitter
Full Power Bandwidth–AD7898-10
Full Power Bandwidth–AD7898-3
Full Power Bandwidth–AD7898-10
Full Power Bandwidth–AD7898-3
DC ACCURACY
Resolution
Minimum Resolution for Which
No Missing Codes are Guaranteed
Relative Accuracy2
Differential Nonlinearity2
Positive Full-Scale Error2
Negative Full-Scale Error2
Bipolar Zero Error
ANALOG INPUT
AD7898-10
Input Voltage Range
Input Resistance
AD7898-3
Input Voltage Range
Input Resistance
REFERENCE INPUT
REF IN Input Voltage Range
Input Current
Input Capacitance2, 3
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL4
Input Current, IIN
Input Capacitance, CIN2, 3
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance2, 3
Output Coding
A Versionl
Unit
Test Conditions/Comments
71
dB min
fIN = 30 kHz Sine Wave
–78
dB max
fIN = 30 kHz Sine Wave
–89
dB typ
fIN = 30 kHz Sine Wave
fa = 29.1 kHz, fb = 29.9 kHz
–88
dB typ
–88
dB typ
20
ns typ
75
ps typ
3.6
MHz typ
@ 3 dB
4.7
MHz typ
@ 3 dB
2.15
MHz typ
@ 1 dB
2.4
MHz typ
@ 1 dB
12
Bits
12
Bits
±1
LSB max
± 0.9
LSB max
±3
LSB max
±3
LSB max
±4
LSB max
± 10
24
± 2.5
5
2.375/2.625
1
10
VDRIVE × 0.7
VDRIVE × 0.3
±1
10
VDRIVE – 0.4
0.4
± 10
10
Two’s Complement
Volts
kΩ min
Volts
kΩ min
V min/V max
µA max
pF max
V min
V max
µA max
pF max
2.5 V ± 5%
Typically 10 nA, VIN = 0 V or VDRIVE
V min
V max
µA max
pF max
ISOURCE = 200 µA; VDRIVE = 2.7 V to 5.25 V
ISINK = 200 µA
CONVERSION RATE
Mode 0 Operation
220
215
Mode 1 Operation
220
POWER REQUIREMENTS
VDD
VDRIVE
IDD Static
IDD Operational
Power Dissipation
4.75 to 5.25
2.7 to 5.25
4.25
4.5
22.5
POWER-DOWN MODE
IDD @ 25°C
5
TMIN to TMAX
20
Power Dissipation @ 25°C (Operational)
25
NOTES
1Temperature ranges are as follows: A Version: –40°C to +85°C.
2See Terminology.
3Sample tested @ 25°C to ensure compliance.
4Operational with VDRIVE = 2.35 V, with Input Low Voltage, VINL = 0.4 V
Specifications subject to change without notice.
kSPS max
kSPS max
kSPS max
With VDRIVE = 5 V ± 5%
With VDRIVE = 2.7 V to 3.6 V
V min to V max
V min to V max
mA max
mA max
mW max
For Specified Performance
For Specified Performance
Digital Inputs @ VDRIVE
Digital Inputs @ VDRIVE
µA max
µA max
µW max
Digital Inputs @ GND, VDD = 5 V ± 5%
Digital Inputs @ GND, VDD = 5 V ± 5%
VDD = 5 V
–2–
REV. 0
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