MP3274
ELECTRICAL CHARACTERISTICS TABLE
Unless Otherwise Specified: V = 5 V, V = 15 V, V = –15 V, GNDRef = 0 V, T = 25°C,
DD
CC
EE
A
V IN = Ref Out
REF
25°C
Typ
Tmin to Tmax
Min Max
Parameter
Symbol
Min
Max
Units
Test Conditions/Comments
Bits
Resolution (All Grades)
N
12
12
KEY FEATURES
Resolution
Conversion Time, Per Channel
12
12 Bits
15 µs
t
15
CONVR
1
ACCURACY (A, S Grade)
Differential Non-Linearity
Integral Non-Linearity
DNL
INL
3/4
1
2
2
2
2
LSB
LSB
Best Fit Line
(Max INL – Min INL)/2
fff to 000 [hex] transition
Zero Code Error
Full Scale Error
EZS
EFS
2
ꢀ5
ꢀ10 LSB
ꢀ0.5
0.1 ꢀ0.35
%
V IN = 4.000 V
REF
POWER SUPPLY REJECTION
Max change in Full Scale
Calibration
V
CC
= 15 V ꢀ1.5 V or 12 V
ꢀ0.6 V
ꢀ1
ꢀ2
ꢀ1 LSB
ꢀ2.5 LSB
V
V
= 5 V ꢀ0.25 V
= –15 V ꢀ1.5 V or
–12 V ꢀ0.6 V or
–5 V ꢀ0.25 V
DD
EE
ꢀ1
ꢀ1 LSB
REFERENCE VOLTAGES
Ref. Voltage Input
Ref. Voltage Output
Ref. Source Current
Ref. Sink Current
Ref In
Ref Out
3.6
3.975
3.0
4.4
4.025
4.0
V
R
IN
]5KΩ; V = 5 V
DD
3.0
mA
µA
20
2
ANALOG INPUT
5
Input Voltage Range
Ground Reference
CM Range
V
–10
–3
10
3
–10
–3
10
3
V
IN
GND Ref.
V
CM RR
TBD
130
5
LSB/V
kΩ
pF
Input Resistance
Input Capacitance
Aperture Delay
R
C
100
100
IN
IN
t
AP
180
ns
From WR low to high after STL
high to low
DC
2
Channel-to-Channel Isolation
–80
–70
dB
DIGITAL INPUTS
CS, WR, RD AB0-AB4,
ADEN
Logical “1” Voltage
Logical “0” Voltage
V
V
I
2.4
–0.5
–5
5.5
0.8
5
2.4
–0.5
–10
5.5
0.8
10 µA
V
V
IH
IL
6
Leakage Currents
V =GND to V
IN DD
IN
2
Input Capacitance
5
pF
Rev. 4.00
4
EXAR [ EXAR CORPORATION ]
