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ADS1203 bảng dữ liệu(PDF) 5 Page - Texas Instruments

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tên linh kiện ADS1203
Giải thích chi tiết về linh kiện  Motor control, current measurement
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ADS1203 bảng dữ liệu(HTML) 5 Page - Texas Instruments

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ADS1203
SBAS318C − JUNE 2004 − REVISED JANUARY 2008
www.ti.com
5
ELECTRICAL CHARACTERISTICS (continued)
Over recommended operating free-air temperature range at −40
°C to +125°C, AVDD = BVDD = +5V or VDD = +5V, VIN+ = −250mV to +250mV,
VIN− = 0V, Mode 3, MCLK input = 20MHz, and 16-bit Sinc3 filter, with OSR = 256, unless otherwise noted.
PARAMETER
UNITS
ADS1203I
TEST CONDITIONS
PARAMETER
UNITS
MAX
TYP(1)
MIN
TEST CONDITIONS
Digital Inputs(6)(8)
Logic family
LVCMOS
VIH
High-level input Voltage
BVDD = 3.6V
2
BVDD+0.3
V
VIL
Low-level input voltage
BVDD = 2.7V
−0.3
0.8
V
IIN
Input current
VI = BVDD or GND
±50
nA
CI
Input capacitance
5
pF
Digital Outputs(6)(8)
Logic family
LVCMOS
VOH
High-level output voltage
BVDD = 2.7V, IOH = −100µA
BVDD−0.2
V
VOL
Low-level output voltage
BVDD = 2.7V, IOL = +100µA
0.2
V
CL
Load capacitance
30
pF
Data format
Bit Stream
Power Supply
VDD
Supply voltage
4.5
5.5
V
AVDD(6)
Analog supply voltage
4.5
5.5
V
BVDD(6)
Buffer I/O supply voltage
Low-voltage levels
2.7
3.6
V
BVDD(6)
Buffer I/O supply voltage
5V logic levels
4.5
5.5
V
IDD
Supply current
Mode 0
8.4
10.5
mA
IDD
Supply current
Mode 3
6.7
8.5
mA
AIDD(6)
Analog operating supply current
Mode 0
6.2
7.5
mA
AIDD(6)
Analog operating supply current
Mode 3
5.9
6.9
mA
BIDD(6)
Buffer I/O operating supply
BVDD = 3V, Mode 0
2.2
2.3
mA
BIDD(6)
Buffer I/O operating supply
current
BVDD = 3V, Mode 3(9)
0.8
0.9
mA
Power dissipation
Mode 0
42
49
mW
Power dissipation
Mode 3(9)
33.5
39
mW
(1) All typical values are at T
A = +25
°C.
(2) Integral nonlinearity is defined as the maximum deviation of the line through the end points of the specified input range of the transfer curve
for VIN+ = −250mV to +250mV, expressed either as the number of LSBs or as a percent of measured input range (500mV).
(3) Ensured by design.
(4) Maximum values, including temperature drift, are ensured over the full specified temperature range.
(5) With reduced accuracy, the supported external clock frequency range is 1MHz up to 32MHz.
(6) Available only for QFN package.
(7) Applicable for 5.0V nominal supply: BV
DD = 4.5V to 5.5V.
(8) Applicable for 3.0V nominal supply: BV
DD = 2.7V to 3.6V.
(9) Measured with CLKOUT pin not loaded.
EQUIVALENT INPUT CIRCUIT
R
ON = 350Ω
C
(SAMPLE) =5pF
V
DD
V
DD
(AV
DD)
(BV
DD)
(AGND)
(BGND)
GND
GND
D
IN
A
IN
Diode Turn on Voltage: 0.4V
Equivalent Analog Input Circuit
Equivalent Digital Input Circuit


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