ADC12034 National Semiconductor Corporation, ADC12034 Datasheet - Page 7

• Manufacturer Part Number: ADC12034
• Description: Self-calibrating 12-bit Plus Sign Serial I/o A/d Converters With Mux And Sample/hold
• Manufacturer: National Semiconductor Corporation

TUE
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
REF
A/D
CH
MUXOUT
R
ON
Total Unadjusted Error
Multiplexer Chan-to-Chan
Matching
Power Supply Sensitivity
Output Data from “12-Bit
Conversion of Offset”
Output Data from “12-Bit
Conversion of Full-Scale”
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, A/DIN2 Analog Input
Capacitance
A/DIN1, A/DIN2 Analog Input
Leakage Current
CH0–CH7 and COM Input Voltage
CH0–CH7 and COM Input
Capacitance
MUX Output Capacitance
Off Channel Leakage CH0–CH7
and COM Pins (Note 16)
On Channel Leakage CH0–CH7
and COM Pins (Note 16)
MUXOUT1 and MUXOUT2
Leakage Current
MUX On Resistance
R
Chan-to-Chan Crosstalk
MUX Bandwidth
ON
Matching Chan-to-Chan
Parameter
Integral Linearity Error
+ Full-Scale Error
− Full-Scale Error
Offset Error
8-bit + sign mode after Auto-Zero
(Notes 12, 13, 14)
V
(see Table 5) (Note 20)
(see Table 5) (Note 20)
f
f
f
V
f
f
f
V
V
On Channel = 5V and Off Channel = 0V
On Channel = 0V and Off Channel = 5V
On Channel = 5V and Off Channel = 0V
On Channel = 0V and Off Channel = 5V
V
V
V
V
IN
IN
IN
IN
IN
IN
+
IN
IN
IN
MUXOUT
IN
IN
IN
= 1 kHz, V
= 20 kHz, V
= 40 kHz, V
= 1 kHz, V
= 20 kHz, V
= 40 kHz, V
= +5V ±10%, V
= 5 V
= ±5V, where S/(N+D) drops 3 dB
= +5.0V or V
= 2.5V and V
= 2.5V and V
= 5 V
P-P
= 5.0V or V
P-P
, where S/(N+D) drops 3 dB
, f
IN
IN
IN
IN
IN
IN
IN
= 5 V
= ±5V, V
= 40 kHz
Conditions
IN
= 5 V
= 5 V
= ±5V, V
= ±5V, V
MUXOUT
MUXOUT
REF
7
= 0V
MUXOUT
P-P
= +4.096V
P-P
P-P
, V
REF
= 2.4V
= 2.4V
, V
, V
REF
REF
REF
REF
REF
+
= 0V
+
+
= 5.0V
+
= 5.0V
= 5.0V
+
+ = 5.0V
= 5.0V
= 5.0V
(Note 10)
Typical
±0.05
−0.01
−0.01
±0.5
±0.5
±0.5
±0.5
±0.1
69.4
68.3
65.7
77.0
73.9
67.0
0.01
0.01
0.01
−72
850
31
40
85
75
10
20
90
5
(V
GND − 0.05
(Note 11)
A
Limits
+) + 0.05
4095
4093
1150
±3/4
±1.5
±1.5
±1.0
−0.3
−0.3
+10
−10
0.3
0.3
0.3
±1
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LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (max)
LSB (min)
LSB (min)
µA (max)
µA (max)
µA (max)
µA (max)
µA (min)
µA (min)
(Limits)
Ω (max)
V (max)
V (min)
Units
LSB
LSB
kHz
kHz
kHz
dB
dB
dB
dB
dB
dB
pF
pF
pF
pF
dB
%