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参数资料
| 型号： | TLV2542IDR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封装： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件页数： | 2/31页 |
| 文件大小： | 778K |
| 代理商： | TLV2542IDR |
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TLV2541, TLV2542, TLV2545
2.7-V TO 5.5-V, LOW-POWER, 12-BIT, 140/200 KSPS,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN
SLAS245E MARCH 2000 REVISED APRIL 2010
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
electrical characteristics over recommended operating free-air temperature range,
VDD = VREF = 2.7 V to 5.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
High level output voltage
VDD = 5.5 V, IOH = 0.2 mA at 30-pF load
2.4
V
VOH
High-level output voltage
VDD = 2.7 V, IOH = -20 μA at 30-pF load
VDD0.2
V
Low level output voltage
VDD = 5.5 V, IOL = 0.8 mA at 30-pF load
0.4
V
VOL
Low-level output voltage
VDD = 2.7 V, IOL = 20 μA at 30-pF load
0.1
V
I
Off-state output current
VO = VDD
CS V
1
2.5
A
IOZ
Off-state output current
(high-impedance-state)
VO = 0
CS = VDD
1
2.5
μA
IIH
High-level input current
VI = VDD
0.005
2.5
μA
IIL
Low-level input current
VI = 0 V
0.00
5
2.5
μA
I
Operating supply current
CS at 0 V
VDD = 4.5 V to 5.5 V
1.3
1.5
mA
ICC
Operating supply current
CS at 0 V
VDD = 2.7 V to 3.3 V
0.85
0.95
mA
Autopower-down current
t(powerdown) ≥ 0.5 μs
For all digital inputs,
0≤ VI ≤ 0.3 V or VI ≥ VDD 0.3 V,
SCLK = 0, VDD = 4.5 V to 5.5 V, Ext ref
5
μA
I
t(powerdown) ≥ 0.5 μs
VDD = 2.7 V to 3.3 V, Ext ref
2
ICC(AUTOPWDN)
Deep autopower-down current
t(powerdown) ≥ 2 ms
For all digital inputs,
0≤ VI ≤ 0.3 V or VI ≥ VDD 0.3 V,
SCLK = 0, VDD = 4.5 V to 5.5 V, Ext ref
1
μA
t(powerdown) ≥ 2 ms
VDD = 2.7 V to 3.3 V
1
Selected analog input channel
Selected channel at VDD
1
A
Selected analog input channel
leakage current
Selected channel at 0 V
1
μA
C
Input capacitance
Analog inputs
20
45
50
pF
Ci
Input capacitance
Control Inputs
5
25
pF
Input on resistance
VDD = 5.5 V
500
Ω
Input on resistance
VDD = 2.7 V
600
Ω
Autopower down
0.5
SCLK
All typical values are at VDD = 5 V, TA = 25°C.
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