參數資料
型號: TLC2543QDWREP
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: GREEN, PLASTIC, SOIC-20
文件頁數: 24/28頁
文件大?。?/td> 524K
代理商: TLC2543QDWREP
www.ti.com
Electrical Characteristics
12-BIT ANALOG-TO-DIGITAL CONVERTER
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SGLS125A – JULY 2002 – REVISED NOVEMBER 2006
over recommended operating free-air temperature range, V
CC = Vref+ = 4.5 V to 5.5 V, f(I/O CLOCK) = 4.1 MHz
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
VCC = 4.5 V,
IOH = –1.6 mA
2.4
VOH
High-level output voltage
V
VCC = 4.5 V to 5.5 V,
IOH = –20 A
VCC – 0.1
VCC = 4.5 V,
IOL = 1.6 mA
0.4
VOL
Low-level output voltage
V
VCC = 4.5 V to 5.5 V,
IOL = 20 A
0.1
VO = VCC,
CS at VCC
1
2.5
High-impedance off-state
IOZ
A
output current
VO = 0,
CS at VCC
1
–2.5
IIH
High-level input current
VI = VCC
1
10
A
IIL
Low-level input current
VI = 0
1
–10
A
ICC
Operating supply current
CS at 0 V
1
2.5
mA
For all digital inputs,
ICC(PD)
Power-down current
4
25
A
0
≤ V
I ≤ 0.5 V or VI ≥ VCC – 0.5 V
Selected channel at VCC, Unselected channel at 0 V
10
Selected channel
A
leakage current
Selected channel at 0 V,
Unselected channel at VCC
–10
Maximum static analog
Vref+ = VCC,
Vref– = GND
1
2.5
A
reference current into REF+
Analog inputs
30
60
Input
Ci
pF
capacitance
Control inputs
5
15
(1)
All typical values are at VCC = 5 V, TA = 25°C.
5
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