SPECIFICATIONS
ELECTRICAL
At T
A
= T
MIN
to T
MAX
, V
DD
= +5V, V
EE
= –15V to +5V, sampling frequency of 117kHz, f
IN
= 10kHz; unless otherwise specified.
ADS774JE, JP, JU
PARAMETER
RESOLUTION
INPUTS
ANALOG
Voltage Ranges: Unipolar
Bipolar
Impedance:
0 to +10V,
±5V
±10V,
0V to +20V
DIGITAL
(CE, CS, R/C, A
O
, 12/8)
Voltages: Logic 1
Logic 0
Current
Capacitance
TRANSFER CHARACTERISTICS
DC ACCURACY
At +25°C
Linearity Error
Unipolar Offset Error (adjustable to zero)
Bipolar Offset Error (adjustable to zero)
Full-Scale Calibration Error
(1)
(adjustable to zero)
No Missing Codes Resolution
T
MIN
to T
MAX (3)
Linearity Error
Full-Scale Calibration Error
Unipolar Offset
Bipolar Offset
No Missing Codes Resolution
AC ACCURACY
(4)
Spurious Free Dynamic Range
Total Harmonic Distortion
Signal-to-Noise Ratio
Signal-to-(Noise + Distortion) Ratio
Intermodulation Distortion
(F
IN1
= 20kHz, F
IN2
= 23kHz)
TEMPERATURE COEFFICIENTS
Unipolar Offset
Bipolar Offset
Full-Scale Calibration
POWER SUPPLY SENSITIVITY
Change in Full-Scale Calibration
(6)
+4.75V < V
DD
< +5.25V
Max Change
CONVERSION TIME
(Including Acquisition Time)
t
AQ
+ t
C
at 25°C:
8-Bit Cycle
12-Bit Cycle
12-Bit Cycle, T
MIN
to T
MAX
:
SAMPLING DYNAMICS
Sampling Rate at 25°C
T
MIN
to T
MAX
Aperture Delay, t
AP
With V
EE
= +5V
With V
EE
= 0V to –15V
Aperture Uncertainty (Jitter)
With V
EE
= +5V
With V
EE
= 0V to –15V
Settling time to 0.01% for
Full-Scale Input Change
125
117
20
1.6
300
10
1.4
(5)
ADS774KE, KP, KU
MAX
12
MIN
TYP
MAX
T
UNITS
Bits
MIN
TYP
8.5
35
+2.0
–0.5
–5
12
50
0 to +10, 0 to +20
±5, ±10
T
T
+5.5
+0.8
+5
T
T
T
T
T
T
T
T
V
V
kΩ
kΩ
V
V
µA
pF
0.1
5
T
T
±1
±2
±10
±0.25
12
±1
±0.47
±4
±12
12
73
69
68
78
–77
72
71
–75
12
76
–72
71
70
T
T
T
T
T
12
±1/2
T
±4
T
LSB
LSB
LSB
% of FS
Bits
(2)
±1/2
±0.37
±3
±5
LSB
% of FS
LSB
LSB
Bits
dB
dB
dB
dB
–75
±1
±2
±12
T
T
T
ppm/°C
ppm/°C
ppm/°C
±1/2
T
LSB
5.5
7.5
8
5.9
8
8.5
T
T
T
T
T
T
T
T
µs
µs
µs
kHz
kHz
T
T
T
T
T
ns
µs
ps, r ms
ns, r ms
µs
®
ADS774
2
BURR-BROWN [ BURR-BROWN CORPORATION ]
