Datasheet

AD678–SPECIFICATIONS
REV. C
–2–
AC SPECIFICATIONS
AD678J/A/S AD678K/B/T
Parameter Min Typ Max Min Typ Max Units
SIGNAL-TO-NOISE AND DISTORTION (S/N+D) RATIO
2
–0.5 dB Input (Referred to –0 dB Input) 70 71 71 73 dB
–20 dB Input (Referred to –20 dB Input) 51 53 dB
–60 dB Input (Referred to –60 dB Input) 11 13 dB
TOTAL HARMONIC DISTORTION (THD)
3
–88 –80 –88 –80 dB
0.004 0.010 0.004 0.010 %
PEAK SPURIOUS OR PEAK HARMONIC COMPONENT –87 –80 –87 –80 dB
FULL POWER BANDWIDTH 1 1 MHz
FULL LINEAR BANDWIDTH 500 500 kHz
INTERMODULATION DISTORTION (IMD)
4
2nd Order Products –85 –80 –85 –80 dB
3rd Order Products –90 –80 –90 –80 dB
NOTES
1
f
IN
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 unless
otherwise indicated.
2
See Figures 13 and 14 for higher frequencies and other input amplitudes.
3
See Figure 12.
4
f
A
= 9.08 kHz, f
B
= 9.58 kHz, with f
SAMPLE
= 200 kSPS. See Definition of Specifications section and Figure 16.
Specifications subject to change without notice.
DIGITAL SPECIFICATIONS
Parameter Test Conditions Min Max Units
LOGIC INPUTS
V
IH
High Level Input Voltage 2.0 V
DD
V
V
IL
Low Level Input Voltage 0 0.8 V
I
IH
High Level Input Current V
IN
= V
DD
–10 +10 µA
I
IL
Low Level Input Current V
IN
= 0 V –10 +10 µA
C
IN
Input Capacitance 10 pF
LOGIC OUTPUTS
V
OH
High Level Output Voltage I
OH
= 0.1 mA 4.0 V
I
OH
= 0.5 mA 2.4 V
V
OL
Low Level Output Voltage I
OL
= 1.6 mA 0.4 V
I
OZ
High Z Leakage Current V
IN
= 0 or V
DD
–10 +10 µA
C
OZ
High Z Output Capacitance 10 pF
Specifications subject to change without notice.
(T
MIN
to T
MAX
, V
CC
= +12 V ⴞ 5%, V
EE
= –12 V ⴞ 5%, V
DD
= +5 V ⴞ 10%, f
SAMPLE
= 200 kSPS,
f
lN
= 10.06 kHz unless otherwise noted)
1
(All device types T
MIN
to T
MAX
, V
CC
= +12 V ⴞ 5%, V
EE
= –12 V ⴞ 5%, V
DD
= +5 V ⴞ 10%)