参数资料
型号: TLV2543CDW
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封装: GREEN, PLASTIC, SOIC-20
文件页数: 4/28页
文件大小: 553K
代理商: TLV2543CDW
TLV2543C, TLV2543I
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS096C – MARCH 1995 – REVISED JUNE 2000
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range,
VCC = Vref+ = 3 V to 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High level output voltage
VCC = 3 V,
IOH = – 0.2 mA
2.4
V
VOH
High-level output voltage
VCC = 3 V to 3.6 V,
IOH = – 20 A
VCC – 0.1
V
VOL
Low level output voltage
VCC = 3 V,
IOL = 0.8 mA
0.4
V
VOL
Low-level output voltage
VCC = 3 V to 3.6 V,
IOL = 20 A
0.1
V
IOZ
Off-state (high-impedance-state)
VO = VCC,
CS at VCC
1
2.5
A
IOZ
(g
)
output current
VO = 0,
CS at VCC
1
– 2.5
A
IIH
High-level input current
VI = VCC
1
2.5
A
IIL
Low-level input current
VI = 0
1
– 2.5
A
ICC
Operating supply current
CS at 0 V
1
2.5
mA
ICC(PD) Power-down current
For all digital inputs,
0
≤ VI ≤ 0.3 V or VI ≥ VCC – 0.3 V
4
25
A
Ilk
Selected channel leakage
Selected channel at VCC, Unselected channel at 0 V
1
A
Ilkg
g
current
Selected channel at 0 V, Unselected channel at VCC
–1
A
Maximum static analog
reference current into REF +
Vref + = VCC,
Vref – = GND
1
2.5
A
Ci
Input
Analog inputs
30
60
pF
Ci
capacitance
Control inputs
5
15
pF
All typical values are at VCC = 5 V, TA = 25°C.
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