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ADS7832 Datasheet(PDF) 4 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
Part # ADS7832
Description  Autocalibrating, 4-Channel, 12-Bit ANALOG-TO-DIGITAL CONVERTER
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Manufacturer  BURR-BROWN [Burr-Brown (TI)]
Direct Link  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

ADS7832 Datasheet(HTML) 4 Page - Burr-Brown (TI)

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ADS7832
4
®
SPECIFICATIONS
ADS7832 Electrical Specifications with 5V Supply
VA = VD = 5V ±10%; VREF+ = 5.0V; VREF– = AGND = DGND = 0V; CLK = 1MHz external 50% ±2% Duty Cycle, TA = –40°C to +85°C, after calibration at any temperature,
unless otherwise specified.
ADS7832BP/ADS7832BN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RESOLUTION
12
Bits
ANALOG INPUT
Voltage Input Range
VD = VA = VREF+ = 5V
0
5
V
Input Capacitance
40
pF
On State Bias Current
100
nA
Off State Bias Current
TA = +25°C10
nA
TA = –40°C to +85°C
100
nA
On Resistance Multiplexer
400
Off Resistance Multiplexer
10
M
Channel Separation
FIN = 1kHz, VD = VA = VREF+ = 5V
0.5
LSB
REFERENCE INPUT
For Specified Performance:
VREF = VA = 5V
VREF+
VA
V
VREF
0V
For Derated Performance(2):(VREF+) – (VREF–) ≥ 2.5V
VREF+
2.5
VA
V
VREF
01
V
Input Reference Current
100
200
µA
THROUGHPUT SPEED
Conversion Time With External Clock (Including
CLK = 2MHz
8.5
µs
Multiplexer Settling Time and Acquisition Time)
CLK = 1MHz
17
µs
CLK = 500kHz
34
µs
With Internal Clock Using Recommended
TA = +25°C30
µs
Clock Components
TA = –40°C to +85°C30
µs
Slew Rate
2
mV/
µs
Multiplexer Settling Time to 1/2 LSB
0.5
µs
Multiplexer Access Time
20
ns
SAMPLING DYNAMICS
Full Power Bandwidth
–3dB
4
MHz
Aperture Jitter
10
ps
Aperture Delay
SRF D2 LOW(3)
2.5
µs
SFR D2 HIGH
5
ns
DC ACCURACY
Integral Nonlinearity, All Channels
SFR D2 LOW
±0.75
LSB(4)
SFR D2 HIGH, Internal Clock or Sampling
±0.5
LSB
Command Synchronous to External Clock
SFR D2 HIGH, Sampling
±0.6
LSB
Command Asynchronous to External Clock
Differential Nonlinearity
±0.75
LSB
No Missing Codes
Guaranteed
Gain Error
All Channels
±0.50
LSB
Gain Error Drift
Between Calibration Cycles
±0.2
ppm/
°C
Offset Error
All Channels
SFR D2 LOW
±0.75
LSB
SFR D2 HIGH, Internal Clock or Sampling
±1
LSB
Command Synchronous to External Clock
SFR D2 HIGH, Sampling
±4
LSB
Command Asynchronous to External Clock
Offset Error Drift
Between Calibration Cycles
SFR D2 LOW
±0.2
ppm/
°C
SFR D2 HIGH, Internal Clock or Sampling
±0.5
ppm/
°C
Command Synchronous to External Clock
SFR D2 HIGH, Sampling
±1
ppm/
°C
Command Asynchronous to External Clock
Channel-to-Channel Mismatch
SFR D2 LOW
±0.25
LSB
SFR D2 HIGH, Internal Clock or Sampling
±0.5
LSB
Command Synchronous to External Clock
SFR D2 HIGH, Sampling
±1.0
LSB
Command Asynchronous to External Clock
Power Supply Sensitivity
VD = VA = +5V ±10% (without recalibration)
±0.125
LSB


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