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AD7441BRTZ-R2 Datasheet(PDF) 3 Page - Analog Devices

Part # AD7441BRTZ-R2
Description  Pseudo Differential Input, 1 MSPS, 10-/12-Bit ADCs in an 8-Lead SOT-23
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7441BRTZ-R2 Datasheet(HTML) 3 Page - Analog Devices

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AD7441/AD7451
Rev. D | Page 3 of 24
SPECIFICATIONS
VDD = 2.7 V to 5.25 V; fSCLK = 18 MHz; fS = 1 MSPS; VREF = 2.5 V; TA = TMIN to TMAX, unless otherwise noted. Temperature ranges for A, B
versions: −40°C to +85°C.
Table 1. AD7451
Parameter
Test Conditions/Comments
A Version
B Version
Unit
DYNAMIC PERFORMANCE
fIN = 100 kHz
Signal-to-Noise Ratio (SNR)1
VDD = 2.7 V to 5.25 V
70
70
dB min
Signal-to-(Noise + Distortion) (SINAD)1
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)1
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 Noise1
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)1
fa = 90 kHz; fb = 110 kHz
Second-Order Terms
−80
−80
dB typ
Third-Order Terms
−80
−80
dB typ
Aperture Delay1
5
5
ns typ
Aperture Jitter1
50
50
ps typ
Full-Power Bandwidth1, 2
@ −3 dB
20
20
MHz typ
@ −0.1 dB
2.5
2.5
MHz typ
DC ACCURACY
Resolution
12
12
Bits
Integral Nonlinearity (INL)1
±1.5
±1
LSB max
Differential Nonlinearity (DNL)1
Guaranteed no missed codes to 12 bits
±0.95
±0.95
LSB max
Offset Error1
±3.5
±3.5
LSB max
Gain Error1
±3
±3
LSB max
ANALOG INPUT
Full-Scale Input Span
VIN+ − VIN–
VREF
VREF
V
Absolute Input Voltage
VIN+
VREF
VREF
V
VIN–3
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
μA max
Input Capacitance
When in track-and-hold
30/10
30/10
pF typ
REFERENCE INPUT
VREF Input Voltage4
±1% tolerance for specified performance
2.5
2.5
V
DC Leakage Current
±1
±1
μA max
VREF Input Capacitance
When in track-and-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
μA max
Input Capacitance, CIN5
10
10
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
VDD = 4.75 V to 5.25 V; ISOURCE = 200 μA
2.8
2.8
V min
VDD = 2.7 V to 3.6 V; ISOURCE = 200 μA
2.4
2.4
V min
Output Low Voltage, VOL
ISINK = 200 μA
0.4
0.4
V max
Floating-State Leakage Current
±1
±1
μA max
Floating-State Output Capacitance5
10
10
pF max
Output Coding
Straight
(natural) binary
Straight
(natural) binary


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