參數(shù)資料
型號(hào)： TLV571IPWR
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24
封裝： GREEN, PLASTIC, TSSOP-24
文件頁(yè)數(shù)： 9/28頁(yè)
文件大?。?/td> 479K
代理商： TLV571IPWR
TLV571
2.7 V TO 5.5 V, 1-CHANNEL, 8-BIT,
PARALLEL ANALOG-TO-DIGITAL CONVERTER
SLAS239A – SEPTEMBER 1999 – REVISED FEBRUARY 2000
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, supply
voltages, and reference voltages (unless otherwise noted)
digital specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Logic inputs
IIH
High-level input current
DVDD = 5 V, DVDD = 3 V, Input = DVDD
–1
1
A
IIL
Low-level input current
DVDD = 5 V, DVDD = 3 V, Input = 0 V
–1
1
A
Ci
Input capacitance
10
15
pF
Logic outputs
VOH
High-level output voltage
IOH = 50 A to 0.5 mA
DVDD– 0.4
V
VOL
Low-level output voltage
IOL = 50 A to 0.5 mA
0.4
V
IOZ
High-impedance-state output current
DVDD = 5 V, DVDD = 3 V, Input = DVDD
1
A
IOL
Low-impedance-state output current
DVDD = 5 V, DVDD = 3 V, Input = 0 V
–1
A
Co
Output capacitance
5
pF
Internal clock
3 V, AVDD = DVDD
9
10
11
MHz
Internal clock
5 V, AVDD = DVDD
18
20
22
MHz
dc specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Resolution
8
Bits
Accuracy
Integral nonlinearity, INL
Best fit
±0.3
±0.5
LSB
Differential nonlinearity, DNL
±0.3
±0.5
LSB
Missing codes
0
EO
Offset error
±0.15%
±0.3%
FSR
EG
Gain error
±0.2%
±0.4%
FSR
Analog input
Ci
Input capacitance
AIN, AVDD = 3 V, AVDD = 5 V
15
pF
Ci
Input capacitance
MUX input, AVDD = 3 V, AVDD = 5 V
25
pF
Ilkg
Input leakage current
VAIN = 0 to AVDD
±1
A
Voltage reference input
ri
Input resistance
2
k
Ci
Input capacitance
300
pF
Power supply
Operating supply current IDD +IREF
AVDD = DVDD = 3 V, fCLK = 10 MHz
4
5.5
mA
Operating supply current, IDD + IREF
AVDD = DVDD = 5 V, fCLK = 20 MHz
7
8.5
mA
PD
Power dissipation
AVDD+DVDD = 3 V
12
17
mW
PD
Power dissipation
AVDD+DVDD = 5 V
35
43
mW
Software
IDD +IREF
AVDD = 3 V
1
8
A
IPD
Supply current in power down mode
Software
IDD + IREF
AVDD = 5 V
2
10
A
IPD
Supply current in power-down mode
Auto
IDD +IREF
AVDD = 3 V
0.5
1
mA
Auto
IDD + IREF
AVDD = 5 V
0.5
1
mA
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