AD7477A Analog Devices, AD7477A Datasheet - Page 6

• Manufacturer Part Number: AD7477A
• Description: 10-Bit, 1 MSPS, Low-Power A/D Converter in SC70 and MSOP Packages
• Manufacturer: Analog Devices

Specifications of AD7477A

• Resolution (bits): 10bit
• # Chan: 1
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni Vdd
• Adc Architecture: SAR
• Pkg Type: SC70,SOP

AD7476A/AD7477A/AD7478A
Parameter
POWER REQUIREMENTS
1
2
3
4
5
6
AD7478A SPECIFICATIONS
V
Table 3.
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
Temperature range is from –40°C to +85°C.
Operational from V
See the Terminology section.
SC70 values guaranteed by characterization.
Guaranteed by characterization.
See the Power vs. Throughput Rate section.
DD
V
I
Power Dissipation
Signal-to-Noise + Distortion (SINAD)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise (SFDR)
Intermodulation Distortion (IMD)
Aperture Delay
Aperture Jitter
Full Power Bandwidth
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Gain Error
Total Unadjusted Error (TUE)
Input Voltage Range
DC Leakage Current
Input Capacitance
DD
DD
= 2.35 V to 5.25 V, f
Normal Mode (Operational)
Full Power-Down Mode (Static)
Full Power-Down Mode (Dynamic)
Normal Mode (Operational)
Full Power-Down Mode
Normal Mode (Static)
Second-Order Terms
Third-Order Terms
3, 4
3, 4
DD
= 2.0 V, with input high voltage (V
6
3
SCLK
3
= 20 MHz, f
3, 4
3
3
3
SAMPLE
3
= 1 MSPS, T
INH
) 1.8 V minimum.
A Grade
2.35/5.25
2.5
1.2
3.5
1.7
1
0.6
0.3
17.5
5.1
5
A Grade
49
–65
–65
–76
–76
10
30
13.5
2
8
±0.3
±0.3
±0.3
±0.3
±0.5
0 to V
±0.5
20
DD
A
2
= T
Rev. F | Page 6 of 28
2
MIN
Unit
V min/max
mA typ
mA typ
mA max
mA max
μA max
mA typ
mA typ
mW max
mW max
μW max
to T
MAX
, unless otherwise noted.
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
Digital I/Ps = 0 V or V
V
V
V
V
Typically 50 nA
V
V
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 2.35 V to 3.6 V, SCLK on or off
= 4.75 V to 5.25 V, SCLK on or off
= 4.75 V to 5.25 V, f
= 2.35 V to 3.6 V, f
= 5 V, f
= 3 V, f
= 5 V, f
= 3 V, f
= 5 V
Test Conditions/Comments
f
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
IN
= 100 kHz sine wave
SAMPLE
SAMPLE
SAMPLE
SAMPLE
= 100 kSPS
= 100 kSPS
= 1 MSPS
= 1 MSPS
1
DD
SAMPLE
SAMPLE
= 1 MSPS
= 1 MSPS