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AD7278BRMZ-REEL Datasheet(PDF) 7 Page - Analog Devices

Part No. AD7278BRMZ-REEL
Description  3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD7278BRMZ-REEL Datasheet(HTML) 7 Page - Analog Devices

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AD7276/AD7277/AD7278
Rev. C | Page 7 of 28
AD7278 SPECIFICATIONS
VDD = 2.35 V to 3.6 V, fSCLK = 48 MHz, fSAMPLE = 3 MSPS, TA = TMIN to TMAX, unless otherwise noted.
Table 4.
Parameter
A Grade1, 2
B Grade1, 2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 1 MHz sine wave
Signal-to-Noise + Distortion (SINAD)3
49
49
dB min
Total Harmonic Distortion (THD)3
−66
−67
dB max
−73
−73
dB typ
Peak Harmonic or Spurious Noise (SFDR)3
−69
−69
dB typ
Intermodulation Distortion (IMD)3
Second-Order Terms
−76
−76
dB typ
fa = 1 MHz, fb = 0.97 MHz
Third-Order Terms
−76
−76
dB typ
fa = 1 MHz, fb = 0.97 MHz
Aperture Delay
5
5
ns typ
Aperture Jitter
18
18
ps typ
Full Power Bandwidth
74
74
MHz typ
@ 3 dB
Full Power Bandwidth
10
10
MHz typ
@ 0.1 dB
DC ACCURACY
Resolution
8
8
Bits
Integral Nonlinearity3
±0.2
±0.2
LSB max
Differential Nonlinearity3
±0.3
±0.3
LSB max
Guaranteed no missed codes to 8 bits
Offset Error3
±0.9
±0.5
LSB max
Gain Error3
±1.2
±1
LSB max
Total Unadjusted Error (TUE)3
±1.5
±1.5
LSB max
ANALOG INPUT
Input Voltage Ranges
0 to VDD
0 to VDD
V
DC Leakage Current
±1
±1
μA max
−40°C to +85°C
±5.5
±5.5
μA max
85°C to 125°C
Input Capacitance
42
42
pF typ
When in track
10
10
pF typ
When in hold
LOGIC INPUTS
Input High Voltage, VINH
1.7
1.7
V min
2.35 V ≤ VDD ≤ 2.7 V
2
2
V min
2.7 V < VDD ≤ 3.6 V
Input Low Voltage, VINL
0.7
0.7
V max
2.35 V ≤ VDD ≤ 2.7 V
0.8
0.8
V max
2.7 V < VDD ≤ 3.6 V
Input Current, IIN
±1
±1
μA max
Input Capacitance, CIN4
2
2
pF typ
LOGIC OUTPUTS
Output High Voltage, VOH
VDD − 0.2
VDD − 0.2
V min
ISOURCE = 200 μA, VDD = 2.35 V to 3.6 V
Output Low Voltage, VOL
0.2
0.2
V max
ISINK = 200 μA
Floating-State Leakage Current
±2.5
±2.5
μA max
Floating-State Output Capacitance4
4.5
4.5
pF typ
Output Coding
Straight (natural) binary
CONVERSION RATE
Conversion Time
208
208
ns max
10 SCLK cycles with SCLK at 48 MHz
Track-and-Hold Acquisition Time3
60
60
ns min
Throughput Rate
4
4
MSPS max
SCLK at 48 MHz


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