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AD7278BUJZ-500RL7 Datasheet(PDF) 5 Page - Analog Devices

Part No. AD7278BUJZ-500RL7
Description  3 MSPS, 12-/10-/8-Bit ADCs in 6-Lead TSOT
Download  28 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD7278BUJZ-500RL7 Datasheet(HTML) 5 Page - Analog Devices

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Data Sheet
AD7276/AD7277/AD7278
Rev. D | Page 5 of 28
AD7277 SPECIFICATIONS
VDD = 2.35 V to 3.6 V, fSCLK = 48 MHz, fSAMPLE = 3 MSPS, TA = TMIN to TMAX, unless otherwise noted.
Table 3.
Parameter
A Grade1, 2
B Grade1,2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
f
IN = 1 MHz sine wave
Signal-to-Noise + Distortion (SINAD)3
60.5
60.5
dB min
Total Harmonic Distortion (THD)3
?70
?1
dB max
?76
?76
dB typ
Peak Harmonic or Spurious Noise (SFDR)3
?80
?80
dB typ
Intermodulation Distortion (IMD)3
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
74
74
MHz typ
@ 3 dB
10
10
MHz typ
@ 0.1 dB
DC ACCURACY
Resolution
10
10
Bits
Integral Nonlinearity3
0.5
0.5
LSB max
Differential Nonlinearity3
0.5
0.5
LSB max
Guaranteed no missed codes to 10 bits
Offset Error3
1.5
1
LSB max
Gain Error3
2
1.5
LSB max
Total Unadjusted Error (TUE)3
2.5
2.5
LSB max
ANALOG INPUT
Input Voltage Ranges
0 to V
DD
0 to V
DD
V
DC Leakage Current
1
1
A max
?40C to +85C
5.5
5.5
A max
85C to 125C
Input Capacitance
42
42
pF typ
When in track
10
10
pF typ
When in hold
LOGIC INPUTS
Input High Voltage, V
INH
1.7
1.7
V min
2.35 V ? V
DD ? 2.7 V
2
2
V min
2.7 V < V
DD ? 3.6 V
Input Low Voltage, V
INL
0.7
0.7
V max
2.35 V ? V
DD ? 2.7 V
0.8
0.8
V max
2.7 V < V
DD ? 3.6 V
Input Current, I
IN
1
1
A max
Typically 10 nA, V
IN = 0 V or VDD
Input Capacitance, C
IN
4
2
2
pF typ
LOGIC OUTPUTS
Output High Voltage, V
OH
V
DD ? 0.2
V
DD ? 0.2
V min
I
SOURCE = 200 A, VDD = 2.35 V to 3.6 V
Output Low Voltage, V
OL
0.2
0.2
V max
I
SINK = 200 A
Floating-State Leakage Current
2.5
2.5
A max
Floating-State Output Capacitance4
4.5
4.5
pF typ
Output Coding
Straight (natural) binary
CONVERSION RATE
Conversion Time
250
250
ns max
12 SCLK cycles with SCLK at 48 MHz
Track-and-Hold Acquisition Time3
60
60
ns min
Throughput Rate
3.45
3.45
MSPS max
SCLK at 48 MHz


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