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参数资料
| 型号： | TLC7225IDW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | PARALLEL, 8 BITS INPUT LOADING, 8-BIT DAC, PDSO24 |
| 封装： | 0.300 INCH, GREEN, SOIC-24 |
| 文件页数： | 20/22页 |
| 文件大小： | 331K |
| 代理商： | TLC7225IDW |
TLC7225C, TLC7225I
QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS
SLAS109B – OCTOBER 1996 – REVISED FEBRUARY 2001
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
VDD
0 V
VDD
0 V
VDD
0 V
Data In
Address
WR
th(AW)
tw1
tsu(AW)
VDD
0 V
Data
Valid
LDAC
tw2
tsu(DW)
th(DW)
NOTES: A. tr = tf = 20 ns over VDD range.
B. The timing-measurement reference level is equal to VIH + VIL divided by 2.
C. If LDAC is activated prior to the rising edge of WR, then it must remain low for at least tw2 after WR
goes high.
Figure 1. Write-Cycle Voltage Waveforms
TYPICAL CHARACTERISTICS
Figure 2
–
Output
Current
–
mA
OUTPUT CURRENT
vs
OUTPUT VOLTAGE
200
150
100
50
0
– 0.1
– 0.2
– 0.3
– 0.4
– 2
– 10
1
2
VO – Output Voltage – V
I O
Source Current
Short-Circuit
Limiting
Sinking
Current Source
TA = 25°C
VSS = – 5 V
DB0– DB7 = 0 V
VDD = 15 V
200
100
600
0
1
234
5
6
400
300
500
OUTPUT CURRENT (SINK)
vs
OUTPUT VOLTAGE
700
78
9
10
TA = 25°C
VDD = 15 V
VSS = – 5 V
VSS = 0
I O
A
VO – Output Voltage – V
–
Output
Current
(Sink)
–
Figure 3
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