Owner's manual

Converter Electrical Characteristics
The following specifications apply for (V
a
e
V
A
a
e
V
D
a
ea
5V, V
REF
a
ea
4.096V, and fully differential input with fixed
2.048V common-mode voltage) or (V
a
e
V
A
a
e
V
D
a
e
3.3V, V
REF
a
ea
2.5V and fully-differential input with fixed 1.250V
common-mode voltage), V
REF
b
e
0V, 12-bit
a
sign conversion mode, source impedance for analog inputs, V
REF
b
and
V
REF
a
s
25X,f
CK
e
f
SK
e
5 MHz, and 10 (t
CK
) acquisition time unless otherwise specified. Boldfade limits apply for T
A
e
T
J
e
T
MIN
to T
MAX
; all other limits T
A
e
T
J
e
25
§
C. (Notes 7, 8 and 9) (Continued)
Symbol Parameter Conditions
(Note 10)
Typical
Limits
(Limits)
Units
(Note 11)
STATIC CONVERTER CHARACTERISTICS (Continued)
Multiplexer Channel to Channel
g
0.05 LSB
Matching
Power Supply Sensitivity V
a
ea
5V
g
10%
V
REF
ea
4.096V
Offset Error
g
0.5 LSB
a
Full-Scale Error
g
0.5 LSB
b
Full-Scale Error
g
0.5 LSB
a
Integral Linearity Error
g
0.5 LSB
b
Integral Linearity Error
g
0.5 LSB
UNIPOLAR DYNAMIC CONVERTER CHARACTERISTICS
S/(N
a
D) Signal-to-Noise Plus f
IN
e
1 kHz, V
IN
e
5V
PP
,V
REF
a
e
5.0V 69.4 dB
Distortion Ratio f
IN
e
20 kHz, V
IN
e
5V
PP
,V
REF
a
e
5.0V 68.3 dB
f
IN
e
40 kHz, V
IN
e
5V
PP
,V
REF
a
e
5.0V 65.7 dB
b
3 dB Full Power Bandwidth V
IN
e
5V
PP
, where S/(N
a
D) drops 3 dB 31 kHz
DIFFERENTIAL DYNAMIC CONVERTER CHARACTERISTICS
S/(N
a
D) Signal-to-Noise Plus f
IN
e
1 kHz, V
IN
e
g
5V, V
REF
a
e
5.0V 77.0 dB
Distortion Ratio f
IN
e
20 kHz, V
IN
e
g
5V, V
REF
a
e
5.0V 73.9 dB
f
IN
e
40 kHz, V
IN
e
g
5V, V
REF
a
e
5.0V 67.0 dB
b
3 dB Full Power Bandwidth V
IN
e
g
5V, where S/(N
a
D) drops 3 dB 40 kHz
4