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參數(shù)資料
| 型號： | ISL5857IB |
| 廠商： | INTERSIL CORP |
| 元件分類： | DAC |
| 英文描述： | 12-bit, +3.3V, 260+MSPS, High Speed D/A Converter |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 12-BIT DAC, PDSO28 |
| 封裝： | PLASTIC, MS-013-AE, SOIC-28 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大?。?/td> | 637K |
| 代理商： | ISL5857IB |
6
FN6079.1
November 12, 2004
DIGITAL INPUTS
D11-D0, CLK
Input Logic High Voltage with
3.3V Supply, V
IH
(Note 3)
2.3
3.3
-
V
Input Logic Low Voltage with
3.3V Supply, V
IL
(Note 3)
-
0
1.0
V
Sleep Input Current, I
IH
-25
-
+25
μ
A
Input Logic Current, I
IH, IL
-20
-
+20
μ
A
Clock Input Current, I
IH, IL
-10
-
+10
μ
A
Digital Input Capacitance, C
IN
-
5
-
pF
TIMING CHARACTERISTICS
Data Setup Time, t
SU
See Figure 15
-
1.5
-
ns
Data Hold Time, t
HLD
See Figure 15
-
1.5
-
ns
Propagation Delay Time, t
PD
See Figure 15
-
1
-
Clock
Period
CLK Pulse Width, t
PW1
, t
PW2
See Figure 15 (Note 3)
0.9
-
-
ns
POWER SUPPLY CHARACTERISTICS
AV
DD
Power Supply
(Note 9)
2.7
3.3
3.6
V
DV
DD
Power Supply
(Note 9)
2.7
3.3
3.6
V
Analog Supply Current (I
AVDD
)
3.3V, IOUTFS = 20mA
-
27.5
28.5
mA
3.3V, IOUTFS = 2mA
-
10
-
mA
Digital Supply Current (I
DVDD
)
3.3V (Note 5)
-
3.7
5
mA
3.3V (Note 6)
-
6.5
8
mA
Supply Current (I
AVDD
) Sleep Mode
3.3V, IOUTFS = Don’t Care
-
1.5
-
mA
Power Dissipation
3.3V, IOUTFS = 20mA (Note 5)
-
103
111
mW
3.3V, IOUTFS = 20mA (Note 6)
-
110
120
mW
3.3V, IOUTFS = 20mA (Note 7)
-
157
-
mW
3.3V, IOUTFS = 2mA (Note 5)
-
45
-
mW
Power Supply Rejection
Single Supply (Note 8)
-0.125
-
+0.125
%FSR/V
NOTES:
2. Gain Error measured as the error in the ratio between the full scale output current and the current through R
SET
(typically 625
μ
A). Ideally the
ratio should be 32.
3. Parameter guaranteed by design or characterization and not production tested.
4. Spectral measurements made with differential transformer coupled output and no external filtering. For multitone testing, the same pattern was
used at different clock rates, producing different output frequencies but at the same ratio to the clock rate.
5. Measured with the clock at 130MSPS and the output frequency at 5MHz.
6. Measured with the clock at 200MSPS and the output frequency at 20MHz.
7. Measured with the clock at 260MSPS and the output frequency at 40MHz.
8. See “Definition of Specifications”.
9. Recommended operation is from 3.0V to 3.6V. Operation below 3.0V is possible with some degradation in spectral performance. Reduction in
analog output current may be necessary to maintain spectral performance.
10. See Typical Performance Plots.
Electrical Specifications
AV
DD
= DV
DD
= +3.3V, V
REF
= Internal 1.2V, IOUTFS = 20mA, T
A
= 25
°
C for All Typical Values
(Continued)
PARAMETER
TEST CONDITIONS
T
A
= -40°C TO 85°C
UNITS
MIN
TYP
MAX
ISL5857
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| ISL5857IBZ | 12-bit, +3.3V, 260+MSPS, High Speed D/A Converter |
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