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AD7478ART-REEL7 Fiches technique(PDF) 3 Page - Analog Devices

No de pièce AD7478ART-REEL7
Description  1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23
Download  20 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD7478ART-REEL7 Fiches technique(HTML) 3 Page - Analog Devices

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REV. D
–3–
AD7477–SPECIFICATIONS1(V
DD = 2.7 V to 5.25 V, fSCLK = 20 MHz, TA = TMIN to TMAX, unless otherwise noted.)
Parameter
A Version
1, 2
S Version
1, 2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 100 kHz Sine Wave, fSAMPLE = 1 MSPS
Signal-to-(Noise + Distortion) (SINAD)
61
61
dB min
Total Harmonic Distortion (THD)
–73
–73
dB max
Peak Harmonic or Spurious Noise (SFDR)
–74
–74
dB max
Intermodulation Distortion (IMD)
Second-Order Terms
–78
–78
dB typ
fa = 103.5 kHz, fb = 113.5 kHz
Third-Order Terms
–78
–78
dB typ
fa = 103.5 kHz, fb = 113.5 kHz
Aperture Delay
10
10
ns typ
Aperture Jitter
30
30
ps typ
Full Power Bandwidth
6.5
6.5
MHz typ
@ 3 dB
DC ACCURACY
Resolution
10
10
Bits
Integral Nonlinearity
±1
±1
LSB max
Differential Nonlinearity
±0.9
±0.9
LSB max
Guaranteed No Missed Codes to 10 Bits
Offset Error
±1
±1
LSB max
Gain Error
±1
±1
LSB max
ANALOG INPUT
Input Voltage Ranges
0 to VDD
0 to VDD
V
DC Leakage Current
±1
±1
µA max
Input Capacitance
30
30
pF typ
LOGIC INPUTS
Input High Voltage, VINH
2.4
2.4
V min
Input Low Voltage, VINL
0.8
0.8
V max
VDD = 5 V
0.4
0.4
V max
VDD = 3 V
Input Current, IIN, SCLK Pin
±1
±1
µA max
Typically 10 nA, VIN = 0 V or VDD
Input Current, IIN, CS Pin
±1
±1
µA typ
Input Capacitance, CIN
4
10
10
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
VDD – 0.2
VDD – 0.2
V min
ISOURCE = 200
µA; V
DD = 2.7 V to 5.25 V
Output Low Voltage, VOL
0.4
0.4
V max
ISINK = 200
µA
Floating-State Leakage Current
±10
±10
µA max
Floating-State Output Capacitance
4
10
10
pF max
Output Coding
Straight (Natural) Binary
CONVERSION RATE
Conversion Time
800
800
ns max
16 SCLK Cycles with SCLK at 20 MHz
Track-and-Hold Acquisition Time
400
400
ns max
Throughput Rate
1
1
MSPS max
See Serial Interface Section
POWER REQUIREMENTS
VDD
2.7/5.25
2.7/5.25
V min/max
IDD
Digital I/Ps = 0 V or VDD
Normal Mode (Static)
2
2
mA typ
VDD = 4.75 V to 5.25 V; SCLK On or Off
11
mA typ
VDD = 2.7 V to 3.6 V; SCLK On or Off
Normal Mode (Operational)
3.5
3.5
mA max
VDD = 4.75 V to 5.25 V; fSAMPLE = 1 MSPS
1.6
1.6
mA max
VDD = 2.7 V to 3.6 V; fSAMPLE = 1 MSPS
Full Power-Down Mode
1
1
µA max
SCLK Off
80
80
µA max
SCLK On
Power Dissipation
5
Normal Mode (Operational)
17.5
17.5
mW max
VDD = 5 V; fSAMPLE = 1 MSPS
4.8
4.8
mW max
VDD = 3 V; fSAMPLE = 1 MSPS
Full Power-Down
5
5
µW max
VDD = 5 V; SCLK Off
NOTES
1Temperature ranges as follows: A Version: –40
°C to +85°C; S Version: –55°C to +125°C.
2Operational from V
DD = 2.0 V, with input high voltage, VINH = 1.8 V min.
3See Terminology section.
4Guaranteed by characterization.
5See Power vs. Throughput Rate section.
Specifications subject to change without notice.


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