SPECIFICATIONS
ELECTRICAL
At T
A
= T
MIN
to T
MAX
, Sampling Frequency, f
S
, = 333kHz, –V
S
= –15V, V
S
= +5V, unless otherwise specified.
ADS7800JP/JU/AH
PARAMETER
RESOLUTION
ANALOG INPUT
Voltage Ranges
Impedance
THROUGHPUT SPEED
Conversion Time
Complete Cycle
Throughput Rate
DC ACCURACY
Full Scale Error
(1)
Full Scale Error Drift
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Bipolar Zero
(1)
Bipolar Zero Drift
Power Supply Sensitivity
–16.5V < –V
S
< –13.5V
–12.6V < –V
S
< –11.4V
+4.75V < V
S
< +5.25V
Transition Noise
(3)
AC ACCURACY
Spurious-Free Dynamic Range
Total Harmonic Distortion
Two-tone Intermodulation Distortion
Signal-to-(Noise + Distortion) Ratio
Signal-to-Noise Ratio (SNR)
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
(5)
Overvoltage Recovery
(6)
INTERNAL REFERENCE VOLTAGE
Voltage
Source Current Available
for External Loads
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
DIGITAL OUTPUTS
Data Format
Data Coding
V
OL
V
OH
I
LEAKAGE
(High-Z State)
POWER SUPPLIES
Rated Voltage
–V
S
V
S
(V
SA
and V
SD
)
Current
–I
S
I
S
Power Consumption
1.9
f
IN
= 47kHz
f
IN
= 47kHz
= 24.4kHz (–6dB)
= 28.5kHz (–6dB)
f
IN
= 47kHz
f
IN
= 47kHz
74
0.1
77
–77
–77
70
71
13
150
130
150
2.0
10
2.1
*
77
–74
–74
69
70
±10V/±5V
6.3
4.2
2.5
2.6
380
CONDITIONS
MIN
TYP
MAX
12
*
*
*
*
*
*
ADS7800KP/KU/BH
MIN
TYP
MAX
*
UNITS
Bits
V
kΩ
kΩ
µs
µs
kHz
%
ppm/°C
LSB
(2)
LSB
LSB
ppm/°C
LSB
LSB
LSB
LSB
dB
(4)
dB
dB
dB
dB
ns
ps, rms
ns
ns
*
V
µA
±10V
Range
±5V
Range
Conversion Alone
Acquisition + Conversion
4.4
2.9
8.1
5.4
2.7
3.0
*
*
*
*
*
*
333
*
±0.50
±0.35
*
±1/2
±3/4
Ensured
±2
*
6
±1
±1
Ensured
±4
1
±1/2
±1/2
±1
*
*
±1/2
*
80
–80
–80
72
73
*
*
*
*
*
*
f
IN1
f
IN2
–77
–77
67
68
–0.3
+2.4
–5
+5
+0.8
+5.3
*
*
*
*
*
*
V
V
µA
µA
I
SINK
= 1.6mA
I
SOURCE
= 500µA
0.0
+2.4
±0.1
Parallel, 12-bit or 8-bit/4-bit
Binary Offset Binary
+0.4
*
+5.0
*
±5
*
*
*
*
V
V
µA
–11.4
+4.75
–15
+5.0
3.5
18
135
–16.5
+5.25
6
25
215
*
*
*
*
*
*
*
*
*
*
*
*
V
V
mA
mA
mW
2
ADS7800
www.ti.com
SBAS001A
ROCHESTER [ Rochester Electronics ]
