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參數(shù)資料
| 型號(hào)： | DAC8143FP |
| 廠商： | PRECISION MONOLITHICS INC |
| 元件分類： | DAC |
| 英文描述： | 12-Bit Serial Daisy-Chain CMOS D/A Converter |
| 中文描述： | 12-BIT DAC, PDIP16 |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大小： | 181K |
| 代理商： | DAC8143FP |
ELECTRICAL CHARACTERISTICS
Temperature Range specified under Absolute Maximum Ratings, unless otherwise noted.)
DAC8143
Min
Parameter
Symbol
Conditions
Typ
Max
Units
STB to SRO Propagation Delay
13
t
PD
T
A
= +25
°
C
T
A
= Full Temperature Range
220
300
ns
ns
ns
ns
ns
ns
ns
ns
ns
SRI Data Pulsewidth
STB
1
Pulsewidth (
STB
1
= 80 ns)
14
STB
2
Pulsewidth (
STB
2
= 100 ns)
14
STB
3
Pulsewidth (
STB
3
= 80 ns)
14
STB
4
Pulsewidth (
STB
4
= 80 ns)
14
Load Pulsewidth
t
SRI
t
STB1
t
STB2
t
STB3
t
STB4
t
LD1
, t
LD2
100
80
80
80
80
140
180
T
A
= +25
°
C
T
A
= Full Temperature Range
LSB Strobe into Input Register
to Load DAC Register Time
CLR Pulsewidth
t
ASB
t
CLR
0
80
ns
ns
POWER SUPPLY
Supply Voltage
Supply Current
V
DD
I
DD
4.75
5
5.25
2
0.1
0.5
V
mA
mA
mW
All Digital Inputs = V
IH
or V
IL
All Digital Inputs = 0 V or V
DD
Digital Inputs = 0 V or V
DD
5 V
×
0.1 mA
Digital Inputs = V
IH
or V
IL
5 V
×
2 mA
Power Dissipation
P
D
10
mW
NOTES
1
All grades are monotonic to 12 bits over temperature.
1
2
Using internal feedback resistor.
1
3
Guaranteed by design and not tested.
1
4
Applies to I
; all digital inputs = V
IL
, V
REF
= +10 V; specification also applies for I
OUT2
when all digital inputs = V
IH
.
1
5
V
= +10 V, all digital inputs = 0 V.
1
6
Calculated from worst case R
: I
(in LSBs) = (R
×
I
LKG
×
4096) /V
REF
.
1
7
Absolute temperature coefficient is less than +300 ppm/
°
C.
1
8
I
, Load = 100
. C
= 13 pF, digital input = 0 V to V
DD
or V
DD
to 0 V. Extrapolated to 1/2 LSB: t
S
= propagation delay (t
PD
) +9
τ
, where
τ
equals measured
time constant of the final RC decay.
1
9
All digital inputs = 0 V.
10
V
= 0 V, all digital inputs = 0 V to V
DD
or V
DD
to 0 V.
11
Calculations from e
n
=
√
4K TRB
where:
K = Boltzmann constant, J/KR = resistance
T = resistor temperature, K B = bandwidth, Hz
12
Digital inputs are CMOS gates; I
typically 1 nA at +25
°
C.
13
Measured from active strobe edge (STB) to new data output at SRO; C
= 50 pF.
14
Minimum low time pulsewidth for STB
1
, STB
2
, and STB
4
, and minimum high time pulsewidth for STB
3
.
Specifications subject to change without notice.
(@ V
DD
= +5 V; V
REF
= +10 V; V
OUT1
= V
0UT2
= V
AGND
= V
DGND
= 0 V; T
A
= Full
DAC8143
–3–
REV. C
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