AD7440BRTZ-R22 データシートの表示（PDF） - Analog Devices
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AD7440BRTZ-R22 Datasheet PDF : 28 Pages
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AD7440/AD7450A
AD7440–SPECIFICATIONS
Table 1. VDD = 2.7 V to 3.6 V, fSCLK = 18 MHz, fS = 1 MSPS, VREF = 2.0 V; VDD = 4.75 V to 5.25 V, fSCLK = 18 MHz, fS = 1 MSPS,
VREF = 2.5 V; VCM1 = VREF; TA = TMIN to TMAX, unless otherwise noted. Temperature range for B Version: –40°C to +85°C.
Parameter
Test Conditions/Comments
B Version
Unit
DYNAMIC PERFORMANCE
Signal-to-(Noise + Distortion) (SINAD)2
Total Harmonic Distortion (THD)2
Peak Harmonic or Spurious Noise2
Intermodulation Distortion (IMD)2
Second-Order Terms
Third-Order Terms
Aperture Delay2
Aperture Jitter2
Full Power Bandwidth2, 3
fIN = 100 kHz
–82 dB typ
–82 dB typ
fa = 90 kHz, fb = 110 kHz
@ –3 dB
61
dB min
–74
dB max
–76
dB max
–83
dB typ
–83
dB typ
5
ns typ
50
ps typ
20
MHz typ
@ –0.1 dB
2.5
MHz typ
DC ACCURACY
Resolution
Integral Nonlinearity (INL)2
Differential Nonlinearity (DNL)2
Zero-Code Error2
Positive Gain Error2
Negative Gain Error2
10
±0.5
Guaranteed no missed codes to 10 bits
±0.5
±2.5
±1
±1
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
ANALOG INPUT
Full-Scale Input Span
Absolute Input Voltage
VIN+
VIN–
DC Leakage Current
Input Capacitance
2 × VREF4
VCM = VREF
VCM = VREF
When in track-and-hold
VIN+ – VIN–
VCM ± VREF/2
VCM ± VREF/2
±1
30/10
V
V
V
μA max
pF typ
REFERENCE INPUT
VREF Input Voltage
DC Leakage Current
VREF Input Capacitance
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN 7
LOGIC OUTPUTS
VDD = 4.75 V to 5.25 V (±1% tolerance for
specified performance)
VDD = 2.7 V to 3.6 V (±1% tolerance for specified
performance)
When in track-and-hold
2.55
2.06
±1
10/30
2.4
0.8
Typically 10 nA, VIN = 0 V or VDD
±1
10
V
V
μA max
pF typ
V min
V max
μA max
pF max
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance7
Output Coding
VDD = 4.75 V to 5.25 V; ISOURCE = 200 μA
VDD = 2.7 V to 3.6 V; ISOURCE = 200 μA
ISINK = 200 μA
2.8
2.4
0.4
±1
10
Twos complement
V min
V min
V max
μA max
pF max
Rev. C | Page 3 of 28
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