AD7298-1 Analog Devices, AD7298-1 Datasheet - Page 3

• Manufacturer Part Number: AD7298-1
• Description: 8-Channel, 1 MSPS, 10-Bit SAR ADC
• Manufacturer: Analog Devices

Specifications of AD7298-1

• Resolution (bits): 10bit
• # Chan: 8
• Sample Rate: 1MSPS
• Interface: SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref),Uni 1.0V,Uni 1.25,Uni 2.0V,Uni 2.5V
• Adc Architecture: SAR
• Pkg Type: CSP

SPECIFICATIONS
V
otherwise noted.
Table 1.
Parameter
DYNAMIC PERFORMANCE
SAMPLE AND HOLD
DC ACCURACY
ANALOG INPUT
REFERENCE INPUT/OUTPUT
LOGIC INPUTS
DD
Signal-to-Noise Ratio (SNR)
Signal-to-Noise-(and-Distortion) Ratio (SINAD)
Total Harmonic Distortion (THD)
Spurious-Free Dynamic Range (SFDR)
Intermodulation Distortion (IMD)
Second-Order Terms
Third-Order Terms
Channel-to-Channel Isolation
Aperture Delay
Aperture Jitter
Full Power Bandwidth
Resolution
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
Offset Error
Offset Error Matching
Offset Temperature Drift
Gain Error
Gain Error Matching
Gain Temperature Drift
Input Voltage Ranges
DC Leakage Current
Input Capacitance
Reference Output Voltage
Long-Term Stability
Output Voltage Hysteresis
Reference Input Voltage Range
DC Leakage Current
V
V
V
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
REF
REF
REF
= 2.8 V to 3.6 V, V
Temperature Coefficient
Output Impedance
Noise
2
2
3
3
IN
2
INL
DRIVE
IN
INH
2
3
= 1.65 V to 3.6 V, f
2
4
1
2
2
2
SAMPLE
Min
61
61
10
0
2.4925
1
0.7 × V
= 1 MSPS, f
DRIVE
Rev. A | Page 3 of 24
Typ
61.5
61.5
−82
−83
−86
−86
−90
40
30
10
±0.25
±0.3
±0.5
±0.625
4
±0.25
±0.16
0.5
±0.01
32
8
2.5
150
50
±0.01
1
12
60
±0.01
3
SCLK
= 20 MHz, V
Max
−75
−76
12
±0.5
±0.5
±1.125
±1.125
±1
±0.625
V
±1
2.5075
2.5
±1
35
0.3 × V
±1
REF
DRIVE
REF
= 2.5 V internal, T
Unit
dB
dB
dB
dB
dB
dB
dB
ns
ps
MHz
MHz
Bits
LSB
LSB
LSB
LSB
ppm/°C
LSB
LSB
ppm/°C
V
μA
pF
pF
V
ppm
ppm
V
μA
Ω
ppm/°C
μV rms
V
V
μA
pF
Test Conditions/Comments
f
f
f
At 3 dB
At 0.1 dB
Guaranteed no missed codes to 10 bits
When in track mode
When in hold mode
±0.3% maximum at 25°C
For 1000 hours
External reference applied to the V
Bandwidth = 10 MHz
V
IN
A
IN
IN
= 40.1 kHz, f
= 50 kHz sine wave
= 50 kHz, f
= 0 V or V
A
= −40°C to +125°C, unless
DRIVE
NOISE
B
= 41.5 kHz
= 60 kHz
AD7298-1
REF
pin