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ADS7841E Datasheet(PDF) 2 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
No. de pieza ADS7841E
Descripción Electrónicos  12-Bit, 4-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER
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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)

ADS7841E Datasheet(HTML) 2 Page - Burr-Brown (TI)

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ADS7841
SPECIFICATION: +5V
At TA = –40°C to +85°C, +VCC = +5V, VREF = +5V, fSAMPLE = 200kHz, and fCLK = 16 • fSAMPLE = 3.2MHz, unless otherwise noted.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
ADS7841E, P
ADS7841EB, PB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
ANALOG INPUT
Full-Scale Input Span
Positive Input - Negative Input
0
VREF
TT
V
Absolute Input Range
Positive Input
–0.2
+VCC +0.2
TT
V
Negative Input
–0.2
+1.25
TT
V
Capacitance
25
T
pF
Leakage Current
±1
T
µA
SYSTEM PERFORMANCE
Resolution
12
T
Bits
No Missing Codes
12
12
Bits
Integral Linearity Error
±2
±1
LSB(1)
Differential Linearity Error
±0.8
±0.5
±1
LSB
Offset Error
±3
T
LSB
Offset Error Match
0.15
1.0
TT
LSB
Gain Error
±4
±3
LSB
Gain Error Match
0.1
1.0
TT
LSB
Noise
30
T
µVrms
Power Supply Rejection
70
T
dB
SAMPLING DYNAMICS
Conversion Time
12
T
Clk Cycles
Acquisition Time
3
T
Clk Cycles
Throughput Rate
200
T
kHz
Multiplexer Settling Time
500
T
ns
Aperture Delay
30
T
ns
Aperture Jitter
100
T
ps
DYNAMIC CHARACTERISTICS
Total Harmonic Distortion(2)
VIN = 5Vp-p at 10kHz
–78
–72
–80
–76
dB
Signal-to-(Noise + Distortion)
VIN = 5Vp-p at 10kHz
68
71
70
72
dB
Spurious Free Dynamic Range
VIN = 5Vp-p at 10kHz
72
79
76
81
dB
Channel-to-Channel Isolation
VIN = 5Vp-p at 50kHz
120
T
dB
REFERENCE INPUT
Range
0.1
+VCC
TT
V
Resistance
DCLK Static
5
T
G
Input Current
40
100
TT
µA
fSAMPLE = 12.5kHz
2.5
T
µA
DCLK Static
0.001
3
TT
µA
DIGITAL INPUT/OUTPUT
Logic Family
CMOS
T
Logic Levels
VIH
| IIH | ≤ +5µA
3.0
5.5
TT
V
VIL
| IIL | ≤ +5µA
–0.3
+0.8
TT
V
VOH
IOH = –250µA
3.5
T
V
VOL
IOL = 250µA
0.4
T
V
Data Format
Straight Binary
T
POWER SUPPLY REQUIREMENTS
+VCC
Specified Performance
4.75
5.25
TT
V
Quiescent Current
550
900
T
µA
fSAMPLE = 12.5kHz
300
T
µA
Power-Down Mode(3), CS = +VCC
3
T
µA
Power Dissipation
4.5
T
mW
TEMPERATURE RANGE
Specified Performance
–40
+85
TT
°C
T Same specifications as ADS7841E, P.
NOTE: (1) LSB means Least Significant Bit. With VREF equal to +5.0V, one LSB is 1.22mV. (2) First five harmonics of the test frequency. (3) Auto power-down mode
(PD1 = PD0 = 0) active or SHDN = GND.


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