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参数资料
型号： TLV1548CDBRG4
厂商： TEXAS INSTRUMENTS INC
元件分类： ADC
英文描述： 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封装： GREEN, PLASTIC, SSOP-20
文件页数： 7/37页
文件大小： 693K
代理商： TLV1548CDBRG4
TLV1544C, TLV1544I, TLV1548C, TLV1548I, TLV1548M
LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 4/8 ANALOG INPUTS
SLAS139C – DECEMBER 1996 – REVISED JANUARY 1999
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range,
VCC = Vref+ = 2.7 V to 5.5 V, I/O CLK frequency = 2.2 MHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High level output voltage
VCC = 5.5 V,
IOH = –0.2 mA
2.4
V
VOH
High-level output voltage
VCC = 2.7 V,
IOH = –20 A
VCC–0.1
V
VOL
Low level output voltage
VCC = 5.5 V,
IOL = 0.8 mA
0.4
V
VOL
Low-level output voltage
VCC = 2.7 V,
IOL = 20 A
0.1
V
IOZ
High impedance output current
VO = VCC,
CS = VCC
1
2.5
A
IOZ
High-impedance output current
VO = 0,
CS = VCC
–1
– 2.5
A
IIH
High-level input current
VI = VCC
0.005
2.5
A
IIL
Low-level input current
VI = 0
– 0.005
2.5
A
I
Operating supply current
Conversion speed = fast,
For all digital inputs,
0
≤ VI ≤ 0.3 V or
VI ≥ VCC – 0.3 V
VCC = 3.3 V to 5.5 V
0.6
1.5
mA
ICC
Operating supply current
Conversion speed = slow,
For all digital inputs,
VCC = 3.3 V to 5.5 V
0.4
1
mA
g,
0
≤ VI ≤ 0.3 V or
VI ≥ VCC – 0.3 V
VCC = 2.7 V to 3.3 V
0.35
0.75
ICC(ES)
Extended sampling mode
VCC = 3.3 V to 5.5 V
1.5
mA
ICC(ES)
g
operating current
VCC = 2.7 V to 3.3 V
1
mA
ICC(ST)
Sustaining supply current
Conversion speed = slow,
For all digital inputs,
0
≤ VI ≤ 0.3 V or
VI ≥ VCC – 0.3 V
VCC = 2.7 V to 3.3 V
0.3
mA
ICC(PD) Power-down supply current
For all digital inputs,
0
≤ VI ≤ 0.3 V or VI ≥ VCC – 0.3 V
1
25
A
Ilk
Selected channel leakage current
Selected channel at VCC, unselected channel at 0 V
1
A
Ilkg
Selected channel leakage current
Selected channel at 0 V, unselected channel at VCC
–1
A
Maximum static analog
reference current into REF+
Vref + = VCC = 5.5 V,
Vref – = GND
1
A
Ci
Input capacitance, analog inputs
20
55
pF
Ci
Input capacitance, control inputs
20
15
pF
Zi
Input multiplexer on resistance
VCC = 4.5 V
1
k
Zi
Input multiplexer on resistance
VCC = 2.7 V
5
k
All typical values are at VCC = 5 V, TA = 25°C.
Not production tested.
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