SPECIFICATIONS
ELECTRICAL
At T
A
= –40°C to +85°C, f
S
= 40kHz, V
S1
= V
S2
= V
S
= +5V
±5%,
using external reference, CONTC = 0V, unless otherwise specified.
ADS7824P, U
PARAMETER
RESOLUTION
ANALOG INPUT
Voltage Range
Impedance
Capacitance
THROUGHPUT SPEED
Conversion Time
Acquisition Time
Multiplexer Settling Time
Complete Cycle (Acquire and Convert)
Complete Cycle (Acquire and Convert)
Throughput Rate
DC ACCURACY
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Transition Noise
(3)
Full Scale Error
(4)
Full Scale Error Drift
Full Scale Error
(4)
Full Scale Error Drift
Bipolar Zero Error
Bipolar Zero Error Drift
Channel-to-Channel Mismatch
Power Supply Sensitivity
AC ACCURACY
Spurious-Free Dynamic Range
(5)
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
Signal-to-Noise
Channel Separation
(6)
–3dB Bandwidth
Useable Bandwidth
(7)
SAMPLING DYNAMICS
Aperture Delay
Transient Response
(8)
Overvoltage Recovery
(9)
REFERENCE
Internal Reference Voltage
Internal Reference Source Current
(Must use external buffer)
External Reference Voltage Range
for Specified Linearity
External Reference Current Drain
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
DIGITAL OUTPUTS
Data Format
Data Coding
V
OL
V
OH
Leakage Current
Output Capacitance
±10V
45.7
35
CONDITIONS
MIN
TYP
MAX
12
T
T
T
T
T
T
25
40
40
±0.15
±0.15
Guaranteed
0.1
Internal Reference
Internal Reference
±7
±2
±2
+4.75 < V
S
< +5.25
f
IN
=
f
IN
=
f
IN
=
f
IN
=
f
IN
=
1kHz
1kHz
1kHz
1kHz
1kHz
80
70
70
90
90
–90
73
73
100
2
90
±1
±1
T
T
T
T
T
±5
T
±10
T
±0.1
±0.5
T
–80
72
72
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
±0.1
T
T
±0.5
±0.5
T
T
MIN
ADS7824PB, UB
TYP
MAX
T
(1)
UNITS
Bits
Channel On or Off
V
kΩ
pF
µs
µs
µs
µs
µs
kHz
LSB
(2)
LSB
LSB
%
ppm/°C
%
ppm/°C
mV
ppm/°C
%
LSB
Includes Acquisition
CONTC = +5V
20
5
5
±0.5
±0.5
±0.25
±0.25
T
dB
dB
dB
dB
dB
MHz
kHz
FS Step
40
5
1
ns
µs
µs
V
µA
V
µA
2.48
2.5
1
2.5
2.52
2.3
V
REF
= +2.5V
2.7
100
T
T
T
–0.3
+2.4
+0.8
V
S
+0.3V
±10
±10
T
T
T
T
T
T
T
T
T
V
V
µA
µA
I
SINK
= 1.6mA
I
SOURCE
= 500µA
High-Z State, V
OUT
= 0V to V
S
High-Z State
Parallel in two bytes; Serial
Binary Two's Complement
+0.4
+4
±5
15
T
T
T
V
V
µA
pF
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.
®
ADS7824
2
BURR-BROWN [ BURR-BROWN CORPORATION ]
