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ADS7823 Datasheet(PDF) 3 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
No. de pieza ADS7823
Descripción Electrónicos  12-Bit, Sampling A/D Converter with I2C INTERFACE
PDF  15 Pages
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Fabricante Electrónico  BURR-BROWN [Burr-Brown (TI)]
Página de inicio  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

ADS7823 Datasheet(HTML) 3 Page - Burr-Brown (TI)

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ADS7823
3
SBAS180B
DIGITAL INPUT/OUTPUT
Logic Family
CMOS
✻
Logic Levels: VIH
+VDD • 0.7
+VDD + 0.5
✻✻
V
VIL
–0.3
+VDD • 0.3
✻✻
V
VOL
At min 3mA Sink Current
0.4
✻
V
Input Leakage: IIH
VIH = +VDD +0.5
10
✻
µA
IIL
VIL = -0.3
-10
✻
µA
Data Format
Straight
✻
Binary
ADS7823 HARDWARE ADDRESS
10010
✻
Binary
POWER SUPPLY REQUIREMENTS
Power Supply Voltage, +VDD
Specified Performance
2.7
3.6
✻✻
V
Quiescent Current
High Speed Mode: SCL = 3.4MHz
250
370
✻✻
µA
Fast Mode: SCL = 400kHz
137
✻
µA
Standard Mode, SCL = 100kHz
109
✻
µA
Power Dissipation
High Speed Mode: SCL = 3.4MHz
680
1000
✻✻
µW
Fast Mode: SCL = 400kHz
370
✻
µW
Standard Mode, SCL = 100kHz
290
✻
µW
Powerdown Mode
High Speed Mode: SCL = 3.4MHz
60
✻
µA
w/Wrong Address Selected
Fast Mode: SCL = 400kHz
23
✻
µA
Standard Mode, SCL = 100kHz
5.4
✻
µA
Full Powerdown
SCL Pulled HIGH, SDA Pulled HIGH
2
3000
✻✻
nA
TEMPERATURE RANGE
Specified Performance
–40
85
✻✻
°C
✻ Specifications same as ADS7823E.
NOTES: (1) LSB means Least Significant Bit. With VREF equal to 2.5V, 1LSB is 610µV. (2) THD measured out to the 9th-harmonic.
ELECTRICAL CHARACTERISTICS: +2.7V (Cont.)
At TA = –40°C to +85°C, +VDD = +2.7V, VREF = +2.5V, SCL Clock Frequency = 3.4MHz (High Speed Mode) unless otherwise noted.
ADS7823E
ADS7823EB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
RESOLUTION
12
✻
Bits
ANALOG INPUT
Full-Scale Input Range
0
VREF
✻✻
V
Input Capacitance
25
✻
pF
Input Leakage Current
±1
✻
µA
SYSTEM PERFORMANCE
No Missing Codes
12
✻
Bits
Integral Linearity Error
±1.0
±2
±0.5
±1LSB(1)
Differential Linearity Error
–0.5, +1.0
–1, +3
±0.5
✻
LSB
Offset Error
±1.0
±4
±0.75
±3
LSB
Gain Error
±1.0
±4
±0.75
±3
LSB
Noise
33
✻
µVrms
Power Supply Rejection
82
✻
dB
SAMPLING DYNAMICS
Throughput Frequency
High Speed Mode: SCL = 3.4MHz
50
✻
kHz
Fast Mode: SCL = 400kHz
8
✻
kHz
Standard Mode, SCL = 100kHz
2
✻
kHz
Conversion Time
8
✻
µs
AC ACCURACY
Total Harmonic Distortion
VIN = 2.5VPP at 10kHz
–82
✻
dB (2)
Signal-to-Ratio
VIN = 2.5VPP at 10kHz
72
✻
dB
Signal-to-(Noise+Distortion) Ratio
VIN = 2.5VPP at 10kHz
71
✻
dB
Spurious Free Dynamic Range
VIN = 2.5VPP at 10kHz
86
✻
dB
VOLTAGE REFERENCE INPUT
Range
0.05
VDD
✻✻
V
Resistance
All Modes
1.0
✻
G
Ω
Current Drain
At Code 800H, HS Mode: SCL = 3.4MHz
20
✻
µA
ELECTRICAL CHARACTERISTICS: +5V
At TA = –40°C to +85°C, +VDD = +5.0V, VREF = +5.0V, SCL Clock Frequency = 3.4MHz (High Speed Mode) unless otherwise noted.
ADS7823E
ADS7823EB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS



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