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AD7277 Datasheet(PDF) 6 Page - Analog Devices

Part # AD7277
Description  3 MSPS,10-/12-Bit ADCs in 8-Lead TSOT
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7277 Datasheet(HTML) 6 Page - Analog Devices

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AD7273/AD7274
Rev. 0 | Page 5 of 28
AD7273 SPECIFICATIONS
VDD = 2.35 V to 3.6 V, VREF = 2.35 V to VDD, fSCLK = 48 MHz, fSAMPLE = 3 MSPS, TA = TMIN to TMAX, unless otherwise noted.
Table 3.
Parameter
B Grade1
Unit2
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 1 MHz sine wave
Signal-to-Noise + Distortion (SINAD)3
61
dB min
Total Harmonic Distortion (THD)3
−72
dB max
−77
dB typ
Peak Harmonic or Spurious Noise (SFDR)3
−80
dB typ
Intermodulation Distortion (IMD)
Second-Order Terms
−81
dB typ
fa = 1 MHz, fb = 0.97 MHz
Third-Order Terms
−81
dB typ
fa = 1 MHz, fb = 0.97 MHz
Aperture Delay
5
ns typ
Aperture Jitter
18
ps typ
Full Power Bandwidth
74
MHz typ
@ 3 dB
10
MHz typ
@ 0.1 dB
Power Supply Rejection Ratio (PSRR)
82
dB typ
DC ACCURACY
Resolution
10
Bits
Integral Nonlinearity3
±0.5
LSB max
Differential Nonlinearity3
±0.5
LSB max
Guaranteed no missed codes to 10 bits
Offset Error3
±1
LSB max
Gain Error3
±1.5
LSB max
Total Unadjusted Error (TUE)3
±2.5
LSB max
ANALOG INPUT
Input Voltage Range
0 to VREF
V
DC Leakage Current
±1
μA max
−40°C to +85°C
±5.5
μA max
85°C to 125°C
Input Capacitance
42
pF typ
When in track
10
pF typ
When in hold
REFERENCE INPUT
VREF Input Voltage Range
1.4 to VDD
V min/V max
DC leakage Current
±1
μA max
Input Capacitance
20
pF typ
Input Impedance
32
Ω typ
LOGIC INPUTS
Input High Voltage, VINH
1.7
V min
2.35 V ≤ VDD ≤ 2.7 V
2
V min
2.7 V < VDD ≤ 3.6 V
Input Low Voltage, VIN
0.7
V max
2.35 V ≤ VDD< 2.7 V
0.8
V max
2.7 V ≤ VDD ≤ 3.6 V
Input Current, IIN
±1
μA max
Typically 10 nA, VIN = 0 V or VDD
Input Capacitance, CIN4
2
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
VDD − 0.2
V min
ISOURCE = 200 μA; VDD = 2.35 V to 3.6 V
Output Low Voltage, VOL
0.2
V max
ISINK = 200 μA
Floating-State Leakage Current
±2.5
μA max
Floating-State Output Capacitance4
4.5
pF max
Output Coding
Straight (natural) binary
CONVERSION RATE
Conversion Time
250
ns max
12 SCLK cycles with SCLK at 48 MHz
Track-and-Hold Acquisition Time3
60
ns max
Throughput Rate
3.45
MSPS max
See the Serial Interface section


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