AD768–SPECIFICATIONS
Parameter
RESOLUTION
DC ACCURACY
1
Linearity Error
T
A
= +25°C
T
MIN
to T
MAX
Differential Nonlinearity
T
A
= +25°C
T
MIN
to T
MAX
Monotonicity (13-Bit)
ANALOG OUTPUT
Offset Error
Gain Error
Full-Scale Output Current
2
Output Compliance Range
Output Resistance
Output Capacitance
REFERENCE OUTPUT
Reference Voltage
Reference Output Current
3
REFERENCE INPUT
Reference Input Current
Reference Bandwidth
4
Small Signal, IREF = 5 mA
±
0.1 mA
Large Signal, IREF = 4 mA
±
2 mA
TEMPERATURE COEFFICIENTS
Unipolar Offset Drift
Gain Drift
5
Gain Drift
6
Reference Voltage Drift
DYNAMIC PERFORMANCE
7
Maximum Output Update Rate
Output Settling Time (t
ST
) (to 0.025%)
Output Propagation Delay (t
PD
)
Glitch Impulse
Output Rise Time (10% to 90%)
Output Fall Time (10% to 90%)
Output Noise (DB0–DB15 High, into 50
Ω)
Differential Gain Error
Differential Phase Error
DIGITAL INPUTS
Logic “1” Voltage
Logic “0” Voltage
Logic “1” Current
Logic “0” Current
Input Capacitance
Input Setup Time (t
S
)
Input Hold Time (t
H
)
Latch Pulse Width (t
LPW
)
(T
MIN
to T
MAX
, V
DD
= +5.0 V, V
EE
= –5.0 V, LADCOM, REFCOM, DCOM = 0 V, IREFIN = 5 mA,
CLOCK = 10 MHz, unless otherwise noted)
Min
16
Typ
Max
Units
Bits
–8
–8
±
4
+8
+8
LSB
LSB
–6
±
2
+6
LSB
–8
+8
LSB
GUARANTEED OVER RATED SPECIFICATION TEMPERATURE RANGE
–0.2
–1.0
20
–1.2
0.8
1.0
3
2.5
+5.0
5
28
9
–5
–20
–40
–30
30
40
25
10
35
5
5
3
0.01
0.01
+5
+20
+40
+30
+5.0
1.2
+0.2
+1.0
% of FSR
% of FSR
mA
V
kΩ
pF
V
mA
mA
MHz
MHz
ppm of FSR/
o
C
ppm of FSR/
o
C
ppm of FSR/
o
C
ppm/
o
C
MSPS
ns
ns
pV-s
ns
ns
nV/√Hz
%
Degree
V
V
µA
µA
pF
ns
ns
ns
2.475
2.525
+15
7
1
35
3.5
–10
–10
10
10
5
10
1.5
+10
+10
AC LINEARITY
7
Spurious-Free Dynamic Range (SFDR Within a Window)
F
OUT
= 1.002 MHz; CLOCK = 10 MHz; 2 MHz Span
F
OUT
= 1.002 MHz; CLOCK = 20 MHz; 2 MHz Span
F
OUT
= 5.002 MHz; CLOCK = 30 MHz; 10 MHz Span
Spurious-Free Dynamic Range (SFDR to Nyquist)
F
OUT
= 1.002 MHz; CLOCK = 10 MHz
F
OUT
= 1.002 MHz; CLOCK = 20 MHz
F
OUT
= 5.002 MHz; CLOCK = 30 MHz
Total Harmonic Distortion (THD)
F
OUT
= 1.002 MHz; CLOCK = 10 MHz
F
OUT
= 1.002 MHz; CLOCK = 20 MHz
F
OUT
= 5.002 MHz; CLOCK = 30 MHz
–2–
86
85
78
74
73
67
–71
–66
–61
79
dB
dB
dB
dB
dB
dB
dB
dB
dB
REV. B
70
–68
AD [ ANALOG DEVICES ]
