參數(shù)資料
型號： AD7922AUJ-R2
廠商： ANALOG DEVICES INC
元件分類： ADC
英文描述： ER 2C 2#16S PIN RECP
中文描述： 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封裝： MO-193BA, TSOT-8
文件頁數(shù)： 5/32頁
文件大小： 386K
代理商： AD7922AUJ-R2
AD7912/AD7922
AD7922 SPECIFICATIONS
Temperature range for A Grade from 40°C to +85°C.
V
DD
= 2.35 V to 5.25 V, f
SCLK
= 18 MHz, f
SAMPLE
= 1 MSPS; T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 2.
Parameter
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)
2
Signal-to-Noise Ratio (SNR)
2
Total Harmonic Distortion (THD)
2
Peak Harmonic or Spurious Noise (SFDR)
2
Intermodulation Distortion (IMD)
2
Second-Order Terms
Third-Order Terms
Aperture Delay
Aperture Jitter
Channel-to-Channel Isolation
2
Full Power Bandwidth
DC ACCURACY
Resolution
Integral Nonlinearity
2
Differential Nonlinearity
2
Offset Error
2
Offset Error Match
2, 3
Gain Error
2
Gain Error Match
2, 3
Total Unadjusted Error (TUE)
2
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance
LOGIC INPUTS
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
, SCLK Pin
Input Current, I
IN
, CS Pin
Input Current, I
IN
, DIN Pin
Input Capacitance, C
IN3
Rev. 0 | Page 5 of 32
A Grade
1
70
72
71
72.5
81
84
84
86
10
30
90
8.5
1.5
12
±1.5
±0.7
0.9/+1.5
0.7/+1.2
±1
±0.1
±0.5
±0.02
±2
±0.5
±1
±0.2
±1.5
±0.5
0 to V
DD
±0.3
20
0.7 (V
DD
)
2
0.3
0.2 (V
DD
)
0.8
±0.3
±0.3
±0.3
5
Unit
dB min
dB typ
dB min
dB typ
dB typ
dB typ
dB typ
dB typ
ns typ
ps typ
dB typ
MHz typ
MHz typ
Bits
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
V
μA max
pF typ
V min
V min
V max
V max
V max
μA max
μA max
μA max
pF max
Test Conditions/Comments
f
IN
= 100 kHz sine wave
fa = 100.73 kHz, fb = 90.72 kHz
fa = 100.73 kHz, fb = 90.72 kHz
@ 3 dB
@ 0.1dB
V
DD
= 2.35 V to 3.6V
V
DD
= 4.75 V to 5.25V
Guaranteed no missed codes to 12 bits
V
DD
= 2.35 V to 3.6V
V
DD
= 4.75 V to 5.25V
V
DD
= 2.35 V to 3.6V
V
DD
= 4.75 V to 5.25V
V
DD
= 2.35 V to 3.6V
V
DD
= 4.75 V to 5.25V
V
DD
= 2.35 V to 3.6V
V
DD
= 4.75 V to 5.25V
V
DD
= 2.35 V to 3.6V
V
DD
= 4.75 V to 5.25V
V
DD
= 2.35 V to 3.6V
V
DD
= 4.75 V to 5.25V
2.35 V ≤ V
DD
≤ 2.7 V
2.7 V < V
DD
≤ 5.25 V
V
DD
= 2.35 V
2.35 V < V
DD
≤ 2.7 V
2.7 V < V
DD
≤ 5.25 V
Typically 8 nA, V
IN
= 0 V or V
DD
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