SPECIFICATIONS
All specifications T
MIN
to T
MAX
, +V
A
= +V
D
= +5V, V
REF
= internal +2.5V and f
CLK
= 8MHz, f
SAMPLE
= 500kHz, unless otherwise noted.
ADS7864Y
PARAMETER
RESOLUTION
ANALOG INPUT
Input Voltage Range-Bipolar
Absolute Input Range
Input Capacitance
Input Leakage Current
SYSTEM PERFORMANCE
No Missing Codes
Integral Linearity
Integral Linearity Match
Differential Linearity
Bipolar Offset Error
Bipolar Offset Error Match
Positive Gain Error
Positive Gain Error Match
Negative Gain Error
Negative Gain Error Match
Common-Mode Rejection Ratio
Noise
Power Supply Rejection Ratio
SAMPLING DYNAMICS
Conversion Time per A/D
Acquisition Time
Throughput Rate
Aperture Delay
Aperture Delay Matching
Aperture Jitter
Small-Signal Bandwidth
DYNAMIC CHARACTERISTICS
Total Harmonic Distortion
SINAD
Spurious Free Dynamic Range
Channel-to-Channel Isolation
VOLTAGE REFERENCE
Internal Reference Voltage
Internal Drift
Internal Noise
Internal Source Current
Internal Load Rejection
Internal PSRR
External Reference Voltage Range
Input Current
Input Capacitance
DIGITAL INPUT/OUTPUT
Logic Family
Logic Levels: V
IH
V
IL
V
OH
V
OL
External Clock
Data Format
POWER SUPPLY REQUIREMENTS
Power Supply Voltage, +V
A
, +V
D
Quiescent Current, +V
A
, +V
D
Power Dissipation
T
Specifications same as ADS7864Y.
V
IN
=
±2.5Vp-p
at 100kHz
V
IN
=
±2.5Vp-p
at 100kHz
V
IN
=
±2.5Vp-p
at 100kHz
V
IN
=
±2.5Vp-p
at 50kHz
2.475
V
CENTER
= +2.5V
+IN
–IN
CLK = GND
12
±0.75
0.5
±0.6
±0.75
±0.15
±0.15
84
80
120
0.3
1.75
0.25
500
3.5
100
50
40
–75
71
78
–76
2.5
10
50
2
0.005
80
2.5
5
CMOS
I
IH
= +5µA
I
IL
= +5µA
I
OH
= –500µA
I
OL
= –500µA
3.0
–0.3
3.5
+V
D
+ 0.3
0.8
T
T
T
T
T
T
T
T
T
T
V
mA
mW
2.525
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
V
V
V
V
MHz
T
±2
T
±4
3
±0.75
3
±0.75
3
–V
REF
–0.3
–0.3
15
±1
T
±0.5
T
±0.4
±0.5
±0.1
±0.1
T
T
T
T
T
T
±1
CONDITIONS
MIN
TYP
MAX
12
+V
REF
+V
A
+ 0.3
+V
A
+ 0.3
T
MIN
ADS7864YB
TYP
MAX
T
T
UNITS
Bits
V
V
V
pF
µA
Bits
LSB
LSB
LSB
LSB
LSB
% of FSR
LSB
% of FSR
LSB
dB
dB
µVrms
LSB
µs
µs
kHz
ns
ps
ps
MHz
dB
dB
dB
dB
V
ppm/°C
µVp-p
mA
mV/µA
dB
V
µA
pF
T
T
–0.9
Referenced to REF
IN
Referenced to REF
IN
Referenced to REF
IN
At DC
V
IN
=
±1.25Vp-p
at 50kHz
±3
T
±0.5
T
±0.5
T
2
T
1.2
2.6
100
T
T
T
0.4
0.2
8
Binary Two’s Complement
4.75
5
5.25
10
50
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.
®
ADS7864
2
BURR-BROWN [ BURR-BROWN CORPORATION ]
