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ADC12L032CIWM Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No. de pieza ADC12L032CIWM
Descripción Electrónicos  3.3V Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
Download  35 Pages
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

ADC12L032CIWM Datasheet(HTML) 4 Page - National Semiconductor (TI)

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Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Positive Supply Voltage
(V
+ =V
A+=VD+)
6.5V
Voltage at Inputs and Outputs
except CH0–CH7 and COM
−0.3V to V
+ +0.3V
Voltage at Analog Inputs
CH0–CH7 and COM
GND −5V to V
+
+5V
|V
A+−VD+|
300 mV
Input Current at Any Pin (Note 3)
±30 mA
Package Input Current (Note 3)
±120 mA
Package Dissipation at
T
A = 25˚C
(Note 4)
500 mW
ESD Susceptibility (Note 5)
Human Body Model
1500V
Soldering Information
SO Package (Note 6):
Vapor Phase (60 seconds)
215˚C
Infrared (15 seconds)
220˚C
Storage Temperature
−65˚C to +150˚C
Operating Ratings (Notes 1, 2)
Operating Temperature Range
T
MIN
≤ T
A
≤ T
MAX
−40˚C
≤ T
A
≤ +85˚C
Supply Voltage
(V
+ =V
A+=VD+)
+3.0V to +5.5V
|V
A+−VD+|
≤ 100 mV
V
REF+
0VtoV
A+
V
REF
0Vto(V
REF+ −1V)
V
REF (VREF+−VREF−)
1V to V
A+
V
REF Common Mode Voltage Range
[(V
REF+)−(VREF−)] / 2
0.1 V
A+ to 0.6 VA+
A/DIN1, A/DIN2, MUXOUT1 and
MUXOUT2 Voltage Range
0V to V
A+
A/D IN Common Mode Voltage
Range
[(V
IN+)−(VIN−)] / 2
0V to V
A+
Package Thermal Resistance
Part Number
Thermal
Resistance (
θ
JA)
ADC12L030CIWM
70˚C/W
ADC12L032CIWM *
64˚C/W
ADC12L034CIWM *
57˚C/W
ADC12L038CIWM
50˚C/W
* This product is on lifetime buy or obsolete. Shown for
reference only.
Converter Electrical Characteristics
The following specifications apply for V
+ =V
A+=VD+ = +3.3 VDC,VREF+ = +2.500 VDC,VREF−=0VDC, 12-bit + sign conver-
sion mode, f
CK =fSK = 5 MHz, RS =25
Ω, source impedance for V
REF+ and VREF
≤ 25Ω, fully-differential input with fixed
1.250V common-mode voltage, and 10(t
CK) acquisition time unless otherwise specified. Boldface limits apply for TA =TJ =
T
MIN to TMAX; all other limits TA =TJ = 25˚C. (Notes 7, 8, 9)
Symbol
Parameter
Conditions
Typical
(Note 10)
Limits
(Note 11)
Units
(Limits)
STATIC CONVERTER CHARACTERISTICS
Resolution with No Missing Codes
12 + sign
Bits (min)
ILE
Integral Linearity Error
After Auto-Cal (Notes 12, 18)
±1/2
±1
LSB (max)
DNL
Differential Non-Linearity
After Auto-Cal
±1
LSB (max)
Positive Full-Scale Error
After Auto-Cal (Notes 12, 18)
±1/2
±2
LSB (max)
Negative Full-Scale Error
After Auto-Cal (Notes 12, 18)
±1/2
±2
LSB (max)
Offset Error
After Auto-Cal (Notes 5, 18)
V
IN(+)=VIN (−) = 1.250V
±1/2
±2
LSB (max)
DC Common Mode Error
After Auto-Cal (Note 15)
±2
±3.5
LSB (max)
TUE
Total Unadjusted Error
After Auto-Cal (Notes 12, 13, 14)
±1
LSB
Resolution with No Missing Codes
8-bit + sign mode
8 + sign
Bits (min)
INL
Integral Linearity Error
8-bit + sign mode (Note 12)
±1/2
LSB (max)
DNL
Differential Non-Linearity
8-bit + sign mode
±3/4
LSB (max)
Positive Full-Scale Error
8-bit + sign mode (Note 12)
±1/2
LSB (max)
Negative Full-Scale Error
8-bit + sign mode (Note 12)
±1/2
LSB (max)
Offset Error
8-bit + sign mode after Auto-Zero
V
IN(+)=VIN(−) = + 1.250V (Note 13)
±1/2
LSB (max)
TUE
Total Unadjusted Error
8-bit + sign mode after Auto-Zero
(Notes 12, 13, 14)
±3/4
LSB (max)
www.national.com
4


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