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AD7453ART-REEL7 Datasheet(PDF) 2 Page - Analog Devices

Part # AD7453ART-REEL7
Description  Pseudo Differential, 555 kSPS, 12-Bit ADC in an 8-Lead SOT-23
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7453ART-REEL7 Datasheet(HTML) 2 Page - Analog Devices

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REV. 0
–2–
AD7453–SPECIFICATIONS
(VDD = 2.7 V to 5.25 V, fSCLK = 10 MHz, fS = 555 kSPS, VREF = 2.5 V, FIN = 100 kHz,
TA = TMIN to TMAX, unless otherwise noted.)
Parameter
Test Conditions/Comments
A Version
1
B Version
1
Unit
DYNAMIC PERFORMANCE
fIN = 100 kHz
Signal to Noise Ratio (SNR)
2
VDD = 2.7 V to 5.25 V
70
70
dB min
Signal to (Noise + Distortion)
(SINAD)
2
VDD = 2.7 V to 3.6 V
69
69
dB min
VDD = 4.75 V to 5.25 V
70
70
dB min
Total Harmonic Distortion (THD)
2
VDD = 2.7 V to 3.6 V; –78 dB typ
–73
–73
dB max
VDD = 4.75 V to 5.25 V; –80 dB typ
–75
–75
dB max
Peak Harmonic or Spurious Noise
2
VDD = 2.7 V to 3.6 V; –80 dB typ
–73
–73
dB max
VDD = 4.75 V to 5.25 V; –82 dB typ
–75
–75
dB max
Intermodulation Distortion (IMD)
2
fa = 90 kHz; fb = 110 kHz
Second-Order Terms
–80
–80
dB typ
Third-Order Terms
–80
–80
dB typ
Aperture Delay
2
55
ns typ
Aperture Jitter
2
50
50
ps typ
Full-Power Bandwidth
2, 3
@ –3 dB
20
20
MHz typ
@ –0.1 dB
2.5
2.5
MHz typ
DC ACCURACY
Resolution
12
12
Bits
Integral Nonlinearity (INL)
2
±1.5
±1
LSB max
Differential Nonlinearity (DNL)
2
Guaranteed no missed codes to 12 bits
±0.95
±0.95
LSB max
Offset Error
2
±3.5
±3.5
LSB max
Gain Error
2
±3
±3
LSB max
ANALOG INPUT
Full-Scale Input Span
VIN+ – VIN–
VREF
VREF
V
Absolute Input Voltage
VIN+
VREF
VREF
V
VIN–
4
VDD = 2.7 V to 3.6 V
–0.1 to +0.4
–0.1 to +0.4
V
VDD = 4.75 V to 5.25 V
–0.1 to +1.5
–0.1 to +1.5
V
DC Leakage Current
±1
±1
mA max
Input Capacitance
When in track/hold
30/10
30/10
pF typ
REFERENCE INPUT
VREF Input Voltage
±1% tolerance for specified performance
2.5
5
2.5
5
V
DC Leakage Current
±1
±1
mA max
VREF Input Capacitance
When in track/hold
10/30
10/30
pF typ
LOGIC INPUTS
Input High Voltage, VINH
2.4
2.4
V min
Input Low Voltage, VINL
0.8
0.8
V max
Input Current, IIN
Typically 10 nA, VIN = 0 V or VDD
±1
±1
mA max
Input Capacitance, CIN
6
10
10
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
VDD = 4.75 V to 5.25 V,
ISOURCE = 200
mA
2.8
2.8
V min
VDD = 2.7 V to 3.6 V,
ISOURCE = 200
mA
2.4
2.4
V min
Output Low Voltage, VOL
ISINK = 200
mA
0.4
0.4
V max
Floating-State Leakage Current
±1
±1
mA max
Floating-State Output Capacitance
6
10
10
pF max
Output Coding
Straight (natural) binary
CONVERSION RATE
Conversion Time
1.6
ms with a 10 MHz SCLK
16
16
SCLK cycles
Track-and-Hold Acquisition Time
2
Sine wave input
250
250
ns max
Full-scale step input
290
290
ns max
Throughput Rate
555
555
kSPS max


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