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參數資料
| 型號： | HI5721BIB |
| 廠商： | INTERSIL CORP |
| 元件分類： | DAC |
| 英文描述： | 10-Bit, 125 MSPS, High Speed D/A Converter |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.0045 us SETTLING TIME, 10-BIT DAC, PDSO28 |
| 封裝： | SOIC-28 |
| 文件頁數： | 9/14頁 |
| 文件大小： | 205K |
| 代理商： | HI5721BIB |
3-42
FIGURE 16. REFERENCE VOLTAGE vs TEMPERATURE
NOTE: Clock Frequency does not alter power dissipation.
FIGURE 17. POWER DISSIPATION vs TEMPERATURE
Pin Descriptions
PIN NO.
PIN NAME
PIN DESCRIPTION
1-10
D0 (LSB)
through D9
(MSB)
Digital Data Bit 0, the Least Significant Bit through Digital Data Bit 9, the Most Significant Bit.
11
CLK
Data Clock pin 100kHz to 125 MSPS.
12
NC
No Connect.
13
INVERT
Data Invert control for bits D0 (LSB) through D8. D9 (MSB) is not affected.
14
V
CC
Digital Logic Supply +5V.
15, 28
DGND
Digital Ground.
16, 27
DV
EE
-5.2V Logic Supply.
17
R
SET
External resistor to set the full scale output current. I
FS
= 32 x (CTRL AMP IN/R
SET
). Typically 1960
.
18
AGND
Analog Ground supply current return pin.
19
ARTN
Analog Signal Return for the R/2R ladder.
20
I
OUT
Current Output pin.
21
I
OUT
Complementary Current Output pin.
22
AV
EE
-5.2V Analog Supply.
23
REF IN
Reference Input pin. Typically connected to CTRL AMP OUT and a 0.1
μ
F capacitor should be connected to
AV
EE
to bypass the reference voltage. Provides a reference for the current switching network.
24
CTRL AMP
OUT
Control Amplifier Output. Used to convert the internal reference or an external signal to the precision reference
current.
25
REF OUT
Internal Reference Output. Output of the internal -1.25V (typical) bandgap voltage reference.
26
CTRL AMP IN
Control Amplifier Input. High impedance, inverting input of the reference control/buffer amplifier.
Typical Performance Curves
(Continued)
-50
μ
A LOAD
100
μ
A LOAD
NO LOAD
-1.20
-1.21
-1.22
-1.23
-1.24
-1.25
-1.26
-1.27
-1.28
-1.29
-1.30
-1.31
-1.32
-1.33
-1.34
-1.35
-40
-20
0
20
40
60
80
100
TEMPERATURE (
o
C)
(
TEMPERATURE (
o
C)
0.80
0.75
0.70
0.65
0.60
0.55
0.50
-50 -40 -30 -20 -10
0
10
20
30
40
60
50
70
80
90
(
HI5721
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