SPECIFICATIONS
ELECTRICAL
At TA = –40°C to +85°C, fS = 40kHz, VDIG = VANA = +5V, using internal reference and fixed resistors shown in Figure 7b, unless otherwise specified.
ADS7806P, U
TYP
ADS7806PB, UB
TYP
PARAMETER
RESOLUTION
CONDITIONS
MIN
MAX
MIN
MAX
UNITS
12
*
Bits
ANALOG INPUT
Voltage Ranges
Impedance
±10, 0 to +5, 0 to +4
V
(See Table II)
Capacitance
35
*
pF
THROUGHPUT SPEED
Conversion Time
Complete Cycle
20
25
*
*
*
µs
µs
kHz
Acquire and Convert
Throughput Rate
40
DC ACCURACY
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Transition Noise(2)
Gain Error
Full Scale Error(3,4)
±0.15
±0.15
Guaranteed
0.1
±0.9
±0.9
*
*
*
*
±0.45
±0.45
LSB(1)
LSB
Bits
LSB
%
%
ppm/°C
%
ppm/°C
mV
ppm/°C
mV
ppm/°C
ms
±0.2
±0.1
±0.5
±0.5
±10
±3
±0.25
Full Scale Error Drift
Full Scale Error(3,4)
±7
±5
*
Ext. 2.5000V Ref
Ext. 2.5000V Ref
±10V Range
±0.25
Full Scale Error Drift
Bipolar Zero Error(3)
Bipolar Zero Error Drift
Unipolar Zero Error(3)
Unipolar Zero Error Drift
Recovery Time to Rated Accuracy
from Power Down(5)
Power Supply Sensitivity
(VDIG = VANA = VS)
±0.5
±0.5
*
*
±10V Range
*
0V to 5V, 0V to 4V Ranges
0V to 5V, 0V to 4V Ranges
2.2µF Capacitor to CAP
±0.5
1
*
*
+4.75V < VS < +5.25V
±0.5
*
*
LSB
AC ACCURACY
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
Signal-to-Noise
Usable Bandwidth(7)
Full Power Bandwidth (-3dB)
fIN = 1kHz, ±10V
80
90
–90
73
73
130
600
*
*
*
*
*
*
*
dB(6)
dB
dB
dB
kHz
kHz
fIN = 1kHz, ±10V
–80
f
f
IN = 1kHz, ±10V
IN = 1kHz, ±10V
70
70
72
72
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
Overvoltage Recovery(8)
40
20
*
*
ns
ps
µs
ns
FS Step
No Load
5
*
*
750
*
REFERENCE
Internal Reference Voltage
Internal Reference Source Current
(Must use external buffer.)
Internal Reference Drift
External Reference Voltage Range
for Specified Linearity
2.48
2.3
2.5
1
2.52
*
*
*
*
V
µA
8
2.5
*
*
ppm/°C
V
2.7
*
*
External Reference Current Drain
Ext. 2.5000V Ref
100
µA
DIGITAL INPUTS
Logic Levels
VIL
VIH
IIL
–0.3
+2.0
+0.8
VD +0.3V
±10
*
*
*
*
*
*
V
V
µA
µA
VIL = 0V
VIH = 5V
IIH
±10
DIGITAL OUTPUTS
Data Format
Data Coding
VOL
Parallel 12-bits in 2-bytes; Serial
Binary Two’s Complement or Straight Binary
ISINK = 1.6mA
ISOURCE = 500µA
High-Z State,
+0.4
*
*
*
V
V
µA
VOH
+4
*
Leakage Current
±5
V
OUT = 0V to VDIG
High-Z State
Output Capacitance
15
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.
®
ADS7806
2
BB [ BURR-BROWN CORPORATION ]
