参数资料
型号: TLV1572CDRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封装: GREEN, PLASTIC, SOIC-8
文件页数: 10/15页
文件大小: 348K
代理商: TLV1572CDRG4
TLV1572
2.7 V TO 5.5 V, 10-BIT, 1.25 MSPS
SERIAL ANALOG-TO-DIGITAL CONVERTER WITH AUTO-POWERDOWN
SLAS171A – DECEMBER 1997– REVISED SEPTEMBER 1998
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = 5 V,
VREF = 5 V, fSCLK = 20 MHz (unless otherwise noted)
digital specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Logic inputs
IIH
High-level input current
VCC = 5 V
– 50
50
A
IIL
Low-level input current
VCC = 5 V
– 50
50
A
Ci
input capacitance
5
pF
Logic outputs
VOH
High-level output voltage
IOH = 50 A – 0.5 mA
VCC –0.4
V
VOL
Low-level output voltage
IOL = 50 A – 0.5 mA
0.4
V
IOZ
High-impedance-state output current
– 50
50
A
CO
Output capacitance
5
pF
dc specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Resolution
10
Bits
Accuracy
INL
Integral nonlinearity
Best fit
±0.5
±1
LSB
DNL
Differential nonlinearity
±0.3
±1
LSB
Offset error
±0.1 ±0.15 %FSR
Gain error
±0.1
±0.2 %FSR
Analog input
Input full scale range
GND
VCC
V
Input capacitance
15
pF
input leakage current
VAIN = 0 to VCC
50
A
Voltage reference input
VREF+
Positive reference voltage
3
VCC
V
VREF–
Negative reference voltage
Internally connects to GND
GND
V
Input resistance
2
K
Input capacitance
300
pF
Power supply
ICC +IREF Operating supply current
VCC = 5.5 V, fSCLK = 20 MHz
5.5
8.5
mA
ICC + IREF Operating supply current
VCC = 3 V,
fSCLK = 10 MHz
2.7
mA
IPD
Supply current in powerdown mode
VCC
10
A
Power dissipation
VCC = 5 V
25
mW
Power dissipation
VCC = 3 V
8
mW
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