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參數(shù)資料
| 型號(hào)： | AD7226KR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | LC2MOS Quad 8-Bit D/A Converter |
| 中文描述： | PARALLEL, 8 BITS INPUT LOADING, 3 us SETTLING TIME, 8-BIT DAC, PDSO20 |
| 封裝： | MS-013AC, SOIC-20 |
| 文件頁(yè)數(shù)： | 2/12頁(yè) |
| 文件大?。?/td> | 247K |
| 代理商： | AD7226KR |
REV. A
–2–
AD7226–SPECIFICATIONS
(V
DD
= 11.4 V to 16.5 V, V
SS
= –5 V
6
10%; AGND = DGND = OV; V
REF
= +2 V to (V
DD
– 4 V)
1
unless otherwse noted.
All specifications T
MN
to T
MAX
unless otherwse noted.)
DUAL SUPPLY
Parameter
K, B, T Versions
2
Units
Conditions/Comments
ST AT IC PERFORMANCE
Resolution
T otal Unadjusted Error
Relative Accuracy
Differential Nonlinearity
Full Scale Error
Full Scale T emperature Coefficient
Zero Code Error
Zero Code Error T emperature Coefficient
8
±
2
±
1
±
1
±
1 1/2
±
20
±
30
±
50
Bits
LSB max
LSB max
LSB max
LSB max
ppm/
°
C typ
mV max
μ
V/
°
C typ
V
DD
= +15 V
±
5%, V
REF
= +10 V
Guaranteed Monotonic
V
DD
= 14 V to 16.5 V, V
REF
= +10 V
REFERENCE INPUT
Voltage Range
Input Resistance
Input Capacitance
3
2 to (V
DD
– 4)
2
65
300
V min to V max
k
min
pF min
pF max
Occurs when each DAC is loaded with all 0s.
Occurs when each DAC is loaded with all 1s.
DIGIT AL INPUT S
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Leakage Current
Input Capacitance
Input Coding
2.4
0.8
±
1
8
Binary
V min
V max
μ
A max
pF max
V
IN
= 0 V or V
DD
DYNAMIC PERFORMANCE
Voltage Output Slew Rate
4
Voltage Output Settling T ime
4
Positive Full Scale Change
Negative Full Scale Change
Digital Crosstalk
Minimum Load Resistance
2.5
V/
μ
s min
5
7
50
2
μ
s max
μ
s max
nV secs typ
k
min
V
REF
= +10 V; Settling T ime to
±
1/2 LSB
V
REF
= +10 V; Settling T ime to
±
1/2 LSB
V
OUT
= +10 V
POWER SUPPLIES
V
DD
Range
I
DD
I
SS
SWIT CHING CHARACT E RIST ICS
4, 5
Address to Write Setup T ime, t
AS
@ 25
°
C
T
MIN
to T
MAX
Address to Write Hold T ime, t
AH
@ 25
°
C
T
MIN
to T
MAX
Data Valid to Write Setup T ime, t
DS
@ 25
°
C
T
MIN
to T
MAX
Data Valid to Write Hold T ime, t
DH
@ 25
°
C
T
MIN
to T
MAX
Write Pulse Width, t
WR
@ 25
°
C
T
MIN
to T
MAX
11.4/16.5
13
11
V min/V max
mA max
mA max
For Specified Performance
Outputs Unloaded; V
IN
= V
INL
or V
INH
Outputs Unloaded; V
IN
= V
INL
or V
INH
0
0
ns min
ns min
10
10
ns min
ns min
90
100
ns min
ns min
10
10
ns min
ns min
150
200
ns min
ns min
NOT ES
1
Maximum possible reference voltage.
2
T emperature ranges are as follows:
K Version: –40
°
C to +85
°
C
B Version: –40
°
C to +85
°
C
T Version: –55
°
C to +125
°
C
3
Guanteed by design. Not production tested.
4
Sample T ested at 25
°
C to ensure compliance.
5
Switching Characteristics apply for single and dual supply operation.
Specifications subject to change without notice.
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