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AD7278BRMZ Datasheet(PDF) 4 Page - Analog Devices

Part No. AD7278BRMZ
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 Datasheet(HTML) 4 Page - Analog Devices

 
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AD7276/AD7277/AD7278
Rev. C | Page 3 of 28
SPECIFICATIONS
AD7276 SPECIFICATIONS
VDD = 2.35 V to 3.6 V, B Grade and A Grade: fSCLK = 48 MHz, fSAMPLE = 3 MSPS, Y Grade:1 fSCLK = 16 MHz, fSAMPLE = 1 MSPS, TA = TMIN to
TMAX, unless otherwise noted.
Table 2.
Parameter
A Grade2, 3
B, Y Grade2,3
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 1 MHz sine wave, B Grade
fIN = 100 kHz sine wave, Y Grade
Signal-to-Noise + Distortion (SINAD)4
68
68
dB min
Signal-to-Noise Ratio (SNR)
69
69
dB min
70
70
dB typ
Total Harmonic Distortion (THD)4
−73
−73
dB max
−78
−78
dB typ
Peak Harmonic or Spurious Noise (SFDR)4
−80
−80
dB typ
Intermodulation Distortion (IMD)4
Second-Order Terms
−82
−82
dB typ
fa = 1 MHz, fb = 0.97 MHz
Third-Order Terms
−82
−82
dB typ
fa = 1 MHz, fb = 0.97 MHz
Aperture Delay
5
5
ns typ
Aperture Jitter
18
18
ps typ
Full Power Bandwidth
55
55
MHz typ
@ 3 dB
8
8
MHz typ
@ 0.1 dB
DC ACCURACY
Resolution
12
12
Bits
Integral Nonlinearity4
±1.5
±1
LSB max
Differential Nonlinearity4
+1/−0.99
+1/−0.99
LSB max
Guaranteed no missed codes to 12 bits
Offset Error4
±4
±3
LSB max
Gain Error4
±3.5
±3.5
LSB max
Total Unadjusted Error4 (TUE)
±5
±3.5
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
Typically 10 nA, VIN = 0 V or VDD
Input Capacitance, CIN5
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 Capacitance5
4.5
4.5
pF typ
Output Coding
Straight (natural) binary


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