ADC12L030CIWM National Semiconductor, ADC12L030CIWM Datasheet - Page 6

• Manufacturer Part Number: ADC12L030CIWM
• Description: 3.3V Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
• Manufacturer: National Semiconductor

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STATIC CONVERTER CHARACTERISTICS
UNIPOLAR DYNAMIC CONVERTER CHARACTERISTICS
S/(N+D)
DIFFERENTIAL DYNAMIC CONVERTER CHARACTERISTICS
S/(N+D)
REFERENCE INPUT, ANALOG INPUTS AND MULTIPLEXER CHARACTERISTICS
C
C
C
C
Symbol
The following specifications apply for V
sion mode, f
1.250V common-mode voltage, and 10(t
T
REF
A/D
CH
MUXOUT
Converter Electrical Characteristics
MIN
to T
MAX
Multiplexer Channel to Channel
Matching
Power Supply Sensitivity
Output Data from
“12-Bit Conversion of Offset”
(see Table 5 )
Output Data from
“12-Bit Conversion of Full-Scale”
(see Table 5 )
Signal-to-Noise Plus
Distortion Ratio
−3 dB Full Power Bandwidth
Signal-to-Noise Plus
Distortion Ratio
−3 dB Full Power Bandwidth
Reference Input Capacitance
A/DIN1 and A/DIN2 Analog Input
Capacitance
A/DIN1 and A/DIN2 Analog Input
Leakage Current
CH0–CH7 and COM Input Voltage
CH0–CH7 and COM Input
Capacitance
MUX Output Capacitance
Off Channel Leakage (Note 16)
CH0–CH7 and COM Pins
On Channel Leakage (Note 16)
CH0–CH7 and COM Pins
CK
; all other limits T
= f
SK
= 5 MHz, R
Parameter
+ Integral Linearity Error
− Integral Linearity Error
A
+ Full-Scale Error
− Full-Scale Error
= T
S
= 25 , source impedance for V
J
Offset Error
= 25˚C. (Notes 7, 8, 9)
+
CK
= V
) acquisition time unless otherwise specified. Boldface limits apply for T
A
+ = V
V
(Note 20)
(Note 20)
f
f
f
V
drops 3 dB
f
f
f
V
drops 3 dB
V
V
On Channel = 3.3V and
Off Channel = 0V
On Channel = 0V and
Off Channel = 3.3V
On Channel = 3.3V and
Off Channel = 0V
On Channel = 0V and
Off Channel = 3.3V
D
IN
IN
IN
IN
IN
IN
+
IN
IN
IN
IN
+ = +3.3 V
= 1 kHz, V
= 20 kHz, V
= 40 kHz, V
= 1 kHz, V
= 20 kHz, V
= 40 kHz, V
= +3.3V
= 2.5 V
=
= +3.3V or
= 0V
±
2.5V, where S/(N+D)
(Continued)
Conditions
PP
±
6
DC
10%
, where S/(N+D)
IN
IN
, V
IN
IN
IN
IN
REF
= 2.5 V
=
= 2.5 V
= 2.5 V
=
=
REF
±
+ and V
±
±
2.5V
+ = +2.500 V
2.5V
2.5V
PP
PP
PP
REF
−
DC
25 , fully-differential input with fixed
(Note 10)
, V
Typical
±
−0.01
−0.01
±
±
±
±
±
±
69.4
68.3
65.7
77.0
73.9
67.0
0.01
0.01
REF
0.05
31
40
85
75
10
20
0.5
0.5
0.5
0.5
0.5
0.1
− = 0 V
GND − 0.05
V
DC
(Note 11)
A
Limits
+ + 0.05
4095
4093
, 12-bit + sign conver-
±
±
±
−0.3
−0.3
+10
−10
0.3
0.3
±
1.5
1.5
1.0
1
A
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (min)
LSB (min)
µA (max)
µA (max)
µA (max)
= T
µA (min)
µA (min)
(Limits)
V (max)
V (min)
Units
LSB
LSB
LSB
kHz
kHz
dB
dB
dB
dB
dB
dB
pF
pF
pF
pF
J
=