AD7910 Analog Devices, AD7910 Datasheet - Page 4

• Manufacturer Part Number: AD7910
• Description: 250 kSPS, 10-Bit ADC in 6 Lead SC70
• Manufacturer: Analog Devices

Specifications of AD7910

• Resolution (bits): 10bit
• # Chan: 1
• Sample Rate: 250kSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni Vdd
• Adc Architecture: SAR
• Pkg Type: SC70,SOP

AD7910/AD7920
Parameter
1
2
3
4
5
6
AD7920
V
Table 2.
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
Temperature range 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
Power Dissipation
Signal-to-Noise + Distortion (SINAD)
Signal-to-Noise Ratio (SNR)
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 Ranges
DC Leakage Current
Input Capacitance
= 2.35 V to 5.25 V, f
Normal Mode (Operational)
Full Power-Down
Second-Order Terms
Third-Order Terms
1
1
3, 5
3, 5
DD
= 2.0 V, with input high voltage (V
6
3
SCLK
= 5 MHz, f
3
3, 5
3
3
3
SAMPLE
3
= 250 kSPS, T
A Grade
70
69
71.5
69
68
71
70
70
69
−80
−82
−84
−84
10
30
13.5
2
12
± 0.75
±0.75
±1.5
±1.5
0 to V
±0.5
20
INH
) 1.8 V min.
A Grade
15
4.2
5
3
DD
, 1 2
A
1, 2
= T
Rev. C | Page 4 of 24
B Grade
70
69
71.5
69
68
71
70
70
69
−80
−82
−84
−84
10
30
2
±1.5
−0.9/+1.5
±1.5
±0.2
±1.5
±0.5
±2
0 to V
±0.5
13.5
12
20
MIN
DD
to T
mW max
1, 2
Unit
mW max
μW max
μW max
MAX
, unless otherwise noted.
Unit
dB min
dB min
dB typ
dB min
dB min
dB min
dB min
dB min
dB min
dB typ
dB typ
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
Bits
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
V
μA max
pF typ
Test Conditions/Comments
V
V
V
V
DD
DD
DD
DD
= 5 V, f
= 3 V, f
= 5 V
= 3 V
Test Conditions/Comments
f
V
V
V
V
V
V
V
V
V
fa = 100.73 kHz, fb = 90.72 kHz
fa = 100.73 kHz, fb = 90.72 kHz
@ 0.1 dB
B Grade
Guaranteed no missed codes to 12 bits
Track-and-hold in track, 6 pF typ when in hold
@ 3 dB
IN
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 100 kHz sine wave
= 2.35 V to 3.6 V, T
= 2.4 V to 3.6 V
= 2.35 V to 3.6 V
= 4.75 V to 5.25 V, T
= 4.75 V to 5.25 V
= 2.35 V to 3.6 V, T
= 2.4 V to 3.6 V
= 4.75 V to 5.25 V, T
= 4.75 V to 5.25 V
SAMPLE
SAMPLE
4
= 250 kSPS
= 250 kSPS
A
A
A
A
= 25°C
= 25°C
= 25°C
= 25°C