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ADC1225CCD Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # ADC1225CCD
Description  12-Bit Plus Sign mP Compatible A/D Converters
PDF  18 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

ADC1225CCD Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Electrical Characteristics (Continued)
The following specifications apply for DVCC e AVCC e 5V VREF e 5V fCLK e 10 MHz Vb eb5V for bipolar input range or
Vb e GND for unipolar input range unless otherwise specified Bipolar input range is defined as b505V s VIN(a) s 505V
b
505V s VIN(b) s 505V and
lVIN(a) b VIN(b)l s 505V Unipolar input range is defined as b005V s VIN(a) s 505V
b
005V s VIN(b) s 505V and
lVIN(a) b VIN(b)l s 505V Boldface limits apply from TMIN to TMAX all other limits TA e TJ
e
25 C (Notes 3 4 5 6 7)
Parameter
Conditions
ADC1205CCJ ADC1225CCD
ADC1205CCJ-1 ADC1225CCD-1
Units
Limit
Typ
Tested
Design
Typ
Tested
Design
(Note 8)
Limit
Limit
(Note 8)
Limit
Limit
(Note 9)
(Note 10)
(Note 9)
(Note 10)
CONVERTER CHARACTERISTICS
(Continued)
Minimum Analog Input
Unipolar Input
GND-005
GND-005
GND-005
V
Voltage
Range
Bipolar Input
b
VCCb005
b
VCb005 bVCCb005
V
Range
Maximum Analog Input
Unipolar Input
VCCa005
VCCa005 VCCa005
V
Voltage
Range
Bipolar Input
VCCa005
VCCa005 VCCa005
V
Range
DC Common-Mode Error
g
g
g
g
g
LSB
Power Supply Sensitivity
AVCCeDVCCe
5Vg5%
Vbeb5Vg5%
Zero Error
g
g
g
LSB
Positive and Negative
g
g
g
LSB
Full-Scale Error
Linearity Error
g
g
g
LSB
DIGITAL AND DC CHARACTERISTICS
VIN(1) Logical ‘‘1’’ Input
VCCe525V
20
20
20
V
Voltage (Min)
All Inputs except
CLK IN
VIN(0) Logical ‘‘0’’ Input
VCCe475V
08
08
08
V
Voltage (Max)
All Inputs except
CLK IN
IIN(1) Logical ‘‘1’’ Input
VINe5V
0005
1
0005
1
mA
Current (Max)
IIN(0) Logical ‘‘0’’ Input
VINe0V
b
0005
b
1
b
0005
b
1
mA
Current (Max)
VTa (Min) Minimum Positive-
CLK IN
31
27
31
27
27
V
Going Threshold Voltage
VTa (Max) Maximum Positive- CLK IN
31
35
31
35
35
V
Going Threshold Voltage
VTb (Min) Minimum Negative- CLK IN
18
14
18
14
14
V
Going Threshold Voltage
VTb (Max) Maximum Negative- CLK IN
18
21
18
21
21
V
Going Threshold Voltage
VH(Min) Minimum Hysteresis
CLK IN
13
06
13
06
06
V
VTa(Min)bVTb(Max)
VH(Max) Maximum Hysteresis CLK IN
13
21
13
21
21
V
VTa(Max)bVTb(Min)
3



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