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AD7476A_15 Datasheet, PDF (7/29 Pages) Analog Devices – 2.35 V to 5.25 V, 1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SC70
AD7476A/AD7477A/AD7478A
Parameter
POWER REQUIREMENTS
VDD
IDD
Normal Mode (Static)
Normal Mode (Operational)
Full Power-Down Mode (Static)
Full Power-Down Mode (Dynamic)
Power Dissipation6
Normal Mode (Operational)
Full Power-Down Mode
A Grade2
2.35/5.25
2.5
1.2
3.5
1.7
1
0.6
0.3
17.5
5.1
5
1 Temperature range is from –40°C to +85°C.
2 Operational from VDD = 2.0 V, with input high voltage (VINH) 1.8 V minimum.
3 See the Terminology section.
4 SC70 values guaranteed by characterization.
5 Guaranteed by characterization.
6 See the Power vs. Throughput Rate section.
Unit
V min/max
mA typ
mA typ
mA max
mA max
μA max
mA typ
mA typ
mW max
mW max
μW max
Test Conditions/Comments
Digital I/Ps = 0 V or VDD
VDD = 4.75 V to 5.25 V, SCLK on or off
VDD = 2.35 V to 3.6 V, SCLK on or off
VDD = 4.75 V to 5.25 V, fSAMPLE = 1 MSPS
VDD = 2.35 V to 3.6 V, fSAMPLE = 1 MSPS
Typically 50 nA
VDD = 5 V, fSAMPLE = 100 kSPS
VDD = 3 V, fSAMPLE = 100 kSPS
VDD = 5 V, fSAMPLE = 1 MSPS
VDD = 3 V, fSAMPLE = 1 MSPS
VDD = 5 V
AD7478A SPECIFICATIONS
VDD = 2.35 V to 5.25 V, fSCLK = 20 MHz, fSAMPLE = 1 MSPS, TA = TMIN to TMAX, unless otherwise noted.1
Table 3.
Parameter
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)3
Total Harmonic Distortion (THD)3
Peak Harmonic or Spurious Noise (SFDR)3
Intermodulation Distortion (IMD)3
Second-Order Terms
Third-Order Terms
Aperture Delay
Aperture Jitter
Full Power Bandwidth
DC ACCURACY
Resolution
Integral Nonlinearity3
Differential Nonlinearity3
Offset Error3, 4
Gain Error3, 4
Total Unadjusted Error (TUE)3, 4
ANALOG INPUT
Input Voltage Range
DC Leakage Current
Input Capacitance
A Grade2
49
–65
–65
–76
–76
10
30
13.5
2
8
±0.3
±0.3
±0.3
±0.3
±0.5
0 to VDD
±0.5
20
Unit
dB min
dB max
dB max
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
V
μA max
pF typ
Test Conditions/Comments
fIN = 100 kHz sine wave
fa = 100.73 kHz, fb = 90.7 kHz
fa = 100.73 kHz, fb = 90.7 kHz
@ 3 dB
@ 0.1 dB
Guaranteed no missed codes to eight bits
Track-and-hold in track; 6 pF typ when in hold
Rev. F | Page 6 of 28