參數(shù)資料
型號： AD7812YR
廠商： ANALOG DEVICES INC
元件分類： ADC
英文描述： 12-Bit, 4-Channel Parallel Output Sampling Analog-to-Digital Converter 28-SSOP
中文描述： 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝： SOIC-20
文件頁數(shù)： 2/19頁
文件大?。?/td> 210K
代理商： AD7812YR
–2–
REV. B
AD7811/AD7812–SPECIFICATIONS
Parameter
Y Version
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal to (Noise + Distortion) Ratio
1
Total Harmonic Distortion (THD)
1
Peak Harmonic or Spurious Noise
1
Intermodulation Distortion
1, 2
Second Order Terms
Third Order Terms
Channel-to-Channel Isolation
1, 2
f
IN
= 30 kHz Any Channel, f
SAMPLE
= 350 kHz
V
REF
Internal or External
58
–66
–80
dB min
dB max
dB typ
fa = 29 kHz, fb = 30 kHz
–67
–67
–80
dB max
dB max
dB typ
f
IN
= 20 kHz
Any Channel
DC ACCURACY
Resolution
Minimum Resolution for Which
No Missing Codes are Guaranteed
Relative Accuracy
1
Differential Nonlinearity
1
Gain Error
1
Gain Error Match
1
Offset Error
1
Offset Error Match
1
10
Bits
10
±
1
±
1
±
2
±
0.75
±
2
±
0.75
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
ANALOG INPUT
Input Voltage Range
0
V
REF
±
1
20
V min
V max
μ
A max
pF max
Input Leakage Current
2
Input Capacitance
2
REFERENCE INPUTS
2
V
REF
Input Voltage Range
1.2
V
DD
±
3
20
V min
V max
μ
A max
pF max
Input Leakage Current
Input Capacitance
ON-CHIP REFERENCE
Reference Error
Temperature Coefficient
LOGIC INPUTS
2
V
INH
,
Input High Voltage
V
INL
, Input Low Voltage
V
INH
,
Input High Voltage
V
INL
, Input Low Voltage
Input Current, I
IN
Input Capacitance, C
IN
LOGIC OUTPUTS
Output High Voltage, V
OH
Nominal 2.5 V
±
2.5
50
% max
ppm/
°
C typ
2.4
0.8
2
0.4
±
1
8
V min
V max
V min
V max
μ
A max
pF max
V
DD
= 5 V
±
10%
V
DD
= 5 V
±
10%
V
DD
= 3 V
±
10%
V
DD
= 3 V
±
10%
Typically 10 nA, V
IN
= 0 V to V
DD
I
SOURCE
= 200
μ
A
V
DD
= 5 V
±
10%
V
DD
= 3 V
±
10%
I
SINK
= 200
μ
A
4
2.4
V min
V min
Output Low Voltage, V
OL
0.4
±
1
15
V max
μ
A max
pF max
High Impedance Leakage Current
High Impedance Capacitance
CONVERSION RATE
Conversion time
Track/Hold Acquisition Time
1
2.3
200
μ
s max
ns max
(V
DD
= 2.7 V to 3.6 V, V
DD
= 5 V 10%, GND = 0 V, V
REF
= V
DD
[EXT]. All specifications –40 C to +105 C
unless otherwise noted.)
相關PDF資料
PDF描述
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