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參數資料
| 型號： | TLC2543QDWRQ1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | PLASTIC, SOIC-20 |
| 文件頁數： | 21/25頁 |
| 文件大小： | 413K |
| 代理商： | TLC2543QDWRQ1 |
TLC2543Q1
12BIT ANALOGTODIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SGLS218D NOVEMBER 2003 REVISED MAY 2008
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range,
VCC = Vref+ = 4.5 V to 5.5 V, f(I/O CLOCK) = 4.1 MHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
VCC = 4.5 V,
IOH = 1.6 mA
2.4
V
VOH
High-level output voltage
VCC = 4.5 V to 5.5 V,
IOH = 20 A
VCC 0.1
V
VOL
Low-level output voltage
VCC = 4.5 V,
IOL = 1.6 mA
0.4
V
VOL
Low-level output voltage
VCC = 4.5 V to 5.5 V,
IOL = 20 A
0.1
V
IOZ
High-impedance off-state output
VO = VCC,
CS at VCC
1
2.5
A
IOZ
High-impedance off-state output
current
VO = 0,
CS at VCC
1
2.5
A
IIH
High-level input current
VI = VCC
TA = 40°C to 85°C
0.5
1
A
IIH
High-level input current
VI = VCC
TA = 125°C
10
A
IIL
Low-level input current
VI = 0
TA = 40°C to 85°C
0.5
1
A
IIL
Low-level input current
VI = 0
TA = 125°C
10
A
ICC
Operating supply current
CS at 0 V
1
2.5
mA
ICC(PD) Power-down current
For all digital inputs, 0
≤ VI ≤ 0.5 V or VI ≥ VCC 0.5 V
4
25
A
Selected channel at VCC,
TA = 40°C to 85°C
1
Selected channel leakage
Selected channel at VCC,
Unselected channel at 0 V
TA = 125°C
10
A
Selected channel leakage
current
Selected channel at 0 V,
TA = 40°C to 85°C
1
A
current
Selected channel at 0 V,
Unselected channel at VCC
TA = 125°C
10
Maximum static analog
reference current into REF +
Vref + = VCC,
Vref = GND
1
2.5
A
Ci
Input
Analog inputs
30
60
pF
Ci
Input
capacitance
Control inputs
5
15
pF
All typical values are at VCC = 5 V, TA = 25°C.
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