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TLC7225 Datasheet, PDF (7/22 Pages) Texas Instruments – QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS
TLC7225C, TLC7225I
QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS
SLAS109B – OCTOBER 1996 – REVISED FEBRUARY 2001
PARAMETER MEASUREMENT INFORMATION
Address
tsu(AW)
th(AW)
tw1
VDD
0V
VDD
WR
0V
LDAC
Data In
tsu(DW)
Data
Valid
th(DW)
tw2
VDD
0V
VDD
0V
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
OUTPUT CURRENT
vs
OUTPUT VOLTAGE
200
150
Source Current
Short-Circuit
100
Limiting
VDD = 15 V
50
0
– 0.1
– 0.2
TA = 25°C
VSS = – 5 V
DB0– DB7 = 0 V
– 0.3
– 0.4
–2
–1
Sinking
Current Source
0
1
2
VO – Output Voltage – V
Figure 2
OUTPUT CURRENT (SINK)
vs
OUTPUT VOLTAGE
700
TA = 25°C
VDD = 15 V
600
500
VSS = – 5 V
400
VSS = 0
300
200
100
0
0 1 2 3 4 5 6 7 8 9 10
VO – Output Voltage – V
Figure 3
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