ADS7806 Burr-Brown Corporation, ADS7806 Datasheet - Page 2

• Manufacturer Part Number: ADS7806
• Description: Low-Power 12-Bit Sampling CMOS ANALOG-to-DIGITAL CONVERTER
• Manufacturer: Burr-Brown Corporation

SPECIFICATIONS
ELECTRICAL
At T
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.
PARAMETER
RESOLUTION
ANALOG INPUT
Voltage Ranges
Impedance
Capacitance
THROUGHPUT SPEED
Conversion Time
Complete Cycle
Throughput Rate
DC ACCURACY
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Transition Noise
Gain Error
Full Scale Error
Full Scale Error Drift
Full Scale Error
Full Scale Error Drift
Bipolar Zero Error
Bipolar Zero Error Drift
Unipolar Zero Error
Unipolar Zero Error Drift
Recovery Time to Rated Accuracy
Power Supply Sensitivity
AC ACCURACY
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
Signal-to-Noise
Usable Bandwidth
Full Power Bandwidth (-3dB)
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
Overvoltage Recovery
REFERENCE
Internal Reference Voltage
Internal Reference Source Current
Internal Reference Drift
External Reference Voltage Range
External Reference Current Drain
DIGITAL INPUTS
Logic Levels
DIGITAL OUTPUTS
Data Format
Data Coding
Leakage Current
Output Capacitance
from Power Down
(V
V
V
A
(Must use external buffer.)
for Specified Linearity
V
V
I
I
OL
OH
IL
IH
= –40 C to +85 C, f
DIG
IL
IH
= V
ANA
= V
®
(3,4)
(3,4)
(2)
(3)
(7)
S
ADS7806
(3)
)
(5)
(8)
S
= 40kHz, V
DIG
= V
0V to 5V, 0V to 4V Ranges
0V to 5V, 0V to 4V Ranges
ANA
2.2 F Capacitor to CAP
+4.75V < V
Acquire and Convert
V
= +5V, using internal reference and fixed resistors shown in Figure 7b, unless otherwise specified.
Ext. 2.5000V Ref
Ext. 2.5000V Ref
Ext. 2.5000V Ref
f
f
f
f
I
IN
IN
IN
IN
SOURCE
OUT
CONDITIONS
I
High-Z State,
High-Z State
SINK
= 1kHz, 10V
= 1kHz, 10V
= 1kHz, 10V
= 1kHz, 10V
10V Range
10V Range
V
No Load
V
FS Step
= 0V to V
IH
IL
= 1.6mA
= 0V
= 5V
= 500 A
S
< +5.25V
DIG
2
MIN
2.48
–0.3
+2.0
2.3
+4
40
80
70
70
ADS7806P, U
Guaranteed
Binary Two’s Complement or Straight Binary
TYP
–90
130
600
750
0.15
0.15
0.1
2.5
2.5
35
90
73
73
40
20
0.2
0.5
0.5
0.5
1
1
8
7
Parallel 12-bits in 2-bytes; Serial
V
D
10, 0 to +5, 0 to +4
MAX
2.52
+0.8
+0.4
–80
100
2.7
+0.3V
12
20
25
15
0.9
0.9
0.5
0.5
0.5
(See Table II)
10
5
10
10
3
5
MIN
72
72
*
*
*
*
*
*
*
ADS7806PB, UB
TYP
0.1
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
5
MAX
0.45
0.45
0.25
0.25
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
ppm/ C
ppm/ C
ppm/ C
ppm/ C
ppm/ C
UNITS
LSB
dB
LSB
LSB
LSB
kHz
kHz
kHz
Bits
Bits
mV
mV
ms
pF
dB
dB
dB
pF
ns
ps
ns
%
%
%
V
V
V
V
V
V
V
s
s
A
A
A
A
A
s
(6)
(1)