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AD7920AKS-500RL7 Folha de dados(PDF) 2 Page - Analog Devices

Nome de Peças AD7920AKS-500RL7
Descrição Electrónicos  250 kSPS, 10-/12-Bit ADCs in 6-Lead SC70
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

AD7920AKS-500RL7 Folha de dados(HTML) 2 Page - Analog Devices

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REV. B
–2–
AD7910–SPECIFICATIONS1
(VDD = 2.35 V to 5.25 V, fSCLK = 5 MHz, fSAMPLE = 250 kSPS, TA = TMIN to TMAX, unless
otherwise noted.)
Parameter
A Grade
1, 2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 100 kHz Sine Wave
Signal-to-Noise + Distortion (SINAD)
3
61
dB min
Total Harmonic Distortion (THD)
3
–72
dB max
Peak Harmonic or Spurious Noise (SFDR)
3
–73
dB max
Intermodulation Distortion (IMD)
3
Second-Order Terms
–82
dB typ
fa = 100.73 kHz, fb = 90.7 kHz
Third-Order Terms
–82
dB typ
fa = 100.73 kHz, fb = 90.7 kHz
Aperture Delay
10
ns typ
Aperture Jitter
30
ps typ
Full Power Bandwidth
13.5
MHz typ
@ 3 dB
2
MHz typ
@ 0.1 dB
DC ACCURACY
Resolution
10
Bits
Integral Nonlinearity
±0.5
LSB max
Differential Nonlinearity
±0.5
LSB max
Guaranteed No Missed Codes to 10 Bits
Offset Error
3, 4
±1LSB max
Gain Error
3, 4
±1LSB max
Total Unadjusted Error (TUE)
3, 4
±1.2
LSB max
ANALOG INPUT
Input Voltage Ranges
0 to VDD
V
DC Leakage Current
±0.5
mA max
Input Capacitance
20
pF typ
Track-and-Hold in Track, 6 pF Typ when in Hold
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
Input Low Voltage, VINL
0.8
V max
VDD = 5 V
0.4
V max
VDD = 3 V
Input Current, IIN, SCLK Pin
±0.5
mA max
Typically 10 nA, VIN = 0 V or VDD
Input Current, IIN, CS Pin
±10
nA typ
Input Capacitance, CIN
5
5
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
VDD – 0.2
V min
ISOURCE = 200
mA, VDD = 2.35 V to 5.25 V
Output Low Voltage, VOL
0.4
V max
ISINK = 200
mA
Floating-State Leakage Current
±1
mA max
Floating-State Output Capacitance
5
5
pF max
Output Coding
Straight (Natural) Binary
CONVERSION RATE
Conversion Time
2.8
ms max
14 SCLK Cycles with SCLK at 5 MHz
Track-and-Hold Acquisition Time
3
250
ns max
Throughput Rate
250
kSPS max
POWER REQUIREMENTS
VDD
2.35/5.25
V min/max
IDD
Digital I/Ps = 0 V or VDD
Normal Mode(Static)
2.5
mA typ
VDD = 4.75 V to 5.25 V, SCLK On or Off
1.2
mA typ
VDD = 2.35 V to 3.6 V, SCLK On or Off
Normal Mode (Operational)
3
mA max
VDD = 4.75 V to 5.25 V, fSAMPLE = 250 kSPS
1.4
mA max
VDD = 2.35 V to 3.6 V, fSAMPLE = 250 kSPS
Full Power-Down Mode
1
mA max
Typically 50 nA
Power Dissipation
6
Normal Mode (Operational)
15
mW max
VDD = 5 V, fSAMPLE = 250 kSPS
4.2
mW max
VDD = 3 V, fSAMPLE = 250 kSPS
Full Power-Down
5
mW max
VDD = 5 V
3
mW max
VDD = 3 V
NOTES
1Temperature range from –40
∞C to +85∞C.
2Operational from V
DD = 2.0 V, with input high voltage (VINH) 1.8 V min.
3See Terminology section.
4SC70 values guaranteed by characterization.
5Guaranteed by characterization.
6See Power Vs. Throughput Rate section.
Specifications subject to change without notice.


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