AD779 Analog Devices, AD779 Datasheet - Page 2

• Manufacturer Part Number: AD779
• Description: 14-Bit 128 kSPS Complete Sampling ADC
• Manufacturer: Analog Devices

AC SPECIFICATIONS
SIGNAL-TO-NOISE AND DISTORTION (S/N+D) RATIO
TOTAL HARMONIC DISTORTION (THD)
PEAK SPURIOUS OR PEAK HARMONIC COMPONENT
FULL POWER BANDWIDTH
FULL LINEAR BANDWIDTH
INTERMODULATION DISTORTION (IMD)
DIGITAL SPECIFICATIONS
Parameter
LOGIC INPUTS
LOGIC OUTPUTS
NOTES
1
2
Specifications subject to change without notice.
AD779–SPECIFICATIONS
Parameter
f
f
unless otherwise noted.
IN
A
–0.5 dB Input (Referred to 0 dB Input)
–20 dB Input (Referred to –20 dB Input)
–60 dB Input (Referred to –60 dB Input)
@ +25 C
T
2nd Order Products
3rd Order Products
V
V
I
I
C
V
V
I
C
= 9.08 kHz, f
IH
IL
OZ
amplitude = –0.5 dB (9.44 V p-p) bipolar mode full scale unless otherwise indicated. All measurements referred to a –0 dB (9.997 V p-p) input signal
IH
IL
OH
OL
MIN
IN
OZ
to T
MAX
B
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Input Capacitance
High Level Output Voltage
Low Level Output Voltage
High Z Leakage Current
High Z Output Capacitance
= 9.58 kHz, with f
SAMPLE
(T
f
lN
MIN
= 10.009 kHz unless otherwise noted)
= 128 kSPS.
to T
MAX
(All device types T
, V
CC
= +12 V
2
Test Conditions
V
V
I
I
I
V
OH
OH
OL
MIN
IN
IN
IN
5%, V
= 1.6 mA
= V
= 0 V
= 0.1 mA
= 0.5 mA
= V
to T
MAX
DD
DD
EE
–2–
= –12 V
, V
CC
Min
78
58
18
500
1
= +12 V
AD779J/A/S
5%, V
Typ
79
59
19
–90
0.003
–88
0.004
–90
1
–90
–90
5%, V
DD
= +5 V
Min
2.0
0
–10
–10
4.0
2.4
–10
EE
Max
–84
0.006
–82
0.008
–84
–84
–84
= –12 V
10%, f
Min
80
60
20
500
5%, V
SAMPLE
AD779K/B/T
DD
= 128 kSPS,
Max
V
0.8
+10
+10
10
0.4
+10
10
Typ
81
61
21
–90
0.003
–88
0.004
–90
1
–90
–90
= +5 V
DD
Max
–84
0.006
–82
0.008
–84
–84
–84
10%)
Units
V
V
pF
V
V
V
pF
REV. B
Units
dB
dB
dB
dB
%
dB
%
dB
MHz
kHz
dB
dB
A
A
A