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參數(shù)資料
| 型號： | MP1232ABS |
| 廠商： | EXAR CORP |
| 元件分類： | DAC |
| 英文描述： | CMOS Microprocessor Compatible Double-Buffered 12-Bit Digital-to-Analog Converter |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 1 us SETTLING TIME, 12-BIT DAC, PDSO20 |
| 封裝： | 0.300 INCH, SOIC-20 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 126K |
| 代理商： | MP1232ABS |
MP1230A/31A/32A
3
Rev. 2.00
ELECTRICAL CHARACTERISTICS
(V
DD
= + 15 V, V
REF
= +10 V unless otherwise noted)
25
°
C
Typ
Tmin to Tmax
Min
Parameter
Symbol
Min
Max
Max
Units
Test Conditions/Comments
STATIC PERFORMANCE
1
FSR = Full Scale Range
Resolution (All Grades)
N
12
12
Bits
Integral Non-Linearity
(Relative Accuracy)
MP1230ABN/ATD/ABS
MP1231ABN/ATD/ABS
MP1232ABN/ATD/ABS
INL
LSB
Best Fit Straight Line Spec.
(Max INL – Min INL) / 2
+1/2
+1
+2
+1/2
+1
+2
Differential Non-Linearity
MP1230ABN/ATD/ABS
MP1231ABN/ATD/ABS
MP1232ABN/ATD/ABS
DNL
LSB
+3/4
+1
+2
+3/4
+1
+2
Gain Error
GE
+0.4
+0.4
% FSR
Using Internal R
FB
Gain Temperature Coefficient
2
TC
GE
0.5
+2
ppm/
°
C
Gain/
Temperature
Power Supply Rejection Ratio
PSRR
5
+20
+20
ppm/%
|
Gain/
V
DD
|
V
DD
= + 0.25V
Output Leakage Current
I
OUT
1
+10
+200
nA
DYNAMIC PERFORMANCE
2
R
L
=100
, C
L
=13pF
Current Settling Time
AC Feedthrough at I
OUT1
t
S
F
T
1.0
1.0
μ
sec
mV p-p
Full Scale Change to 1/2 LSB
V
REF
=100kHz, 20Vp-p, sinewave
REFERENCE INPUT
Input Resistance
R
IN
5
10
20
5
20
k
DIGITAL INPUTS
Logical “1” Voltage
Logical “0” Voltage
Input Leakage Current
Input Capacitance
2
V
IH
V
IL
I
LKG
3.0
2.4
3.0
V
V
μ
A
pF
0.8
+1
0.8
+1
V
IN
= 0, 5 V
10
ANALOG OUTPUTS
2
Output Capacitance
C
OUT1
C
OUT1
C
OUT2
C
OUT2
80
40
65
25
100
60
85
45
100
60
85
45
pF
pF
pF
pF
DAC Inputs all 1’s
DAC Inputs all 0’s
DAC Inputs all 1’s
DAC Inputs all 0’s
POWER SUPPLY
Functional Voltage Range
4
Supply Current
V
DD
I
DD
+4.5
+16
2.0
+4.5
+16
2.0
V
mA
1.2
All digital inputs = 0 V or all = 5 V
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