參數(shù)資料
型號: MP3274AP
廠商: EXAR CORP
元件分類: ADC
英文描述: Fault Protected 32 Channel, 12-Bit Data Acquisition Subsystem
中文描述: 32-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 4/16頁
文件大?。?/td> 170K
代理商: MP3274AP
MP3274
4
Rev. 4.00
ELECTRICAL CHARACTERISTICS TABLE
Unless Otherwise Specified: V
DD
= 5 V, V
CC
= 15 V, V
EE
= –15 V, GNDRef = 0 V, T
A
= 25
°
C,
V
REF
IN = Ref Out
25
°
C
Typ
Parameter
Symbol
Min
Max
Min
Max
Units
Test Conditions/Comments
Resolution (All Grades)
N
12
12
Bits
KEY FEATURES
Resolution
Conversion Time, Per Channel
12
12
15
Bits
μ
s
t
CONVR
15
ACCURACY (A, S Grade)
1
Differential Non-Linearity
Integral Non-Linearity
DNL
INL
3/4
2
2
2
2
LSB
LSB
1
Best Fit Line
(Max INL – Min INL)/2
fff to 000 [hex] transition
V
REF
IN = 4.000 V
Zero Code Error
Full Scale Error
EZS
EFS
2
5
10
0.5
LSB
%
0.1
0.35
POWER SUPPLY REJECTION
Max change in Full Scale
Calibration
V
CC
= 15 V
V
DD
= 5 V
V
EE
= –15 V
–12 V
–5 V
1.5 V or 12 V
0.6 V
1
2
1
LSB
LSB
0.25 V
1.5 V or
0.6 V or
0.25 V
2.5
1
1
LSB
REFERENCE VOLTAGES
Ref. Voltage Input
Ref. Voltage Output
Ref. Source Current
Ref. Sink Current
Ref In
Ref Out
3.6
4.4
V
R
IN
5K
; V
DD
= 5 V
3.975
3.0
4.025
4.0
20
3.0
mA
μ
A
ANALOG INPUT
2
Input Voltage Range
5
Ground Reference
CM Range
CM RR
Input Resistance
Input Capacitance
Aperture Delay
V
IN
–10
10
–10
10
V
GND Ref.
–3
3
–3
3
V
LSB/V
k
pF
ns
TBD
130
R
IN
C
IN
t
AP
100
100
5
180
From WR low to high after STL
high to low
DC
Channel-to-Channel Isolation
2
–80
–70
dB
DIGITAL INPUTS
CS, WR, RD AB0-AB4,
ADEN
Logical “1” Voltage
Logical “0” Voltage
Leakage Currents
6
Input Capacitance
2
V
IH
V
IL
I
IN
2.4
–0.5
–5
5.5
0.8
2.4
–0.5
–10
5.5
0.8
10
V
V
μ
A
pF
5
V
IN
=GND to V
DD
5
Tmin to Tmax
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