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ADC1205 View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
ADC1205 12-Bit Plus Sign ?P Compatible A/D Converters National-Semiconductor
National ->Texas Instruments National-Semiconductor
ADC1205 Datasheet PDF : 18 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Electrical Characteristics (Continued)
The following specifications apply for DVCC e AVCC e 5V VREF e 5V fCLK e 1 0 MHz Vb e b5V for bipolar input range or
Vb e GND for unipolar input range unless otherwise specified Bipolar input range is defined as b5 05V s VIN(a) s 5 05V
l l b5 05V s VIN(b) s 5 05V and VIN(a) b VIN(b) s 5 05V Unipolar input range is defined as b0 05V s VIN(a) s 5 05V
l l b0 05V s VIN(b) s 5 05V and VIN(a) b VIN(b) s 5 05V 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
Typ
(Note 8)
Tested
Limit
(Note 9)
Design
Limit
(Note 10)
ADC1205CCJ-1 ADC1225CCD-1
Typ
(Note 8)
Tested
Limit
(Note 9)
Design
Limit
(Note 10)
Limit
Units
CONVERTER CHARACTERISTICS (Continued)
Minimum Analog Input
Voltage
Unipolar Input
Range
Bipolar Input
Range
GND-0 05
bVCCb0 05
GND-0 05 GND-0 05 V
bVCb0 05 bVCCb0 05 V
Maximum Analog Input
Voltage
Unipolar Input
Range
Bipolar Input
Range
VCCa0 05
VCCa0 05
VCCa0 05 VCCa0 05 V
VCCa0 05 VCCa0 05 V
DC Common-Mode Error
g
g
g
g
g
LSB
Power Supply Sensitivity
AVCCeDVCCe
5Vg5%
Vb e b5V g 5%
Zero Error
g
Positive and Negative
g
Full-Scale Error
Linearity Error
g
g
g
LSB
g
g
LSB
g
g
LSB
DIGITAL AND DC CHARACTERISTICS
VIN(1) Logical ‘‘1’’ Input
VCCe5 25V
20
Voltage (Min)
All Inputs except
CLK IN
20
20
V
VIN(0) Logical ‘‘0’’ Input
VCCe4 75V
08
Voltage (Max)
All Inputs except
CLK IN
08
08
V
IIN(1) Logical ‘‘1’’ Input
Current (Max)
VINe5V
0 005
1
0 005
1
mA
IIN(0) Logical ‘‘0’’ Input
Current (Max)
VINe0V
b0 005
b1
b0 005
b1
mA
VTa (Min) Minimum Positive- CLK IN
Going Threshold Voltage
31
27
31
27
27
V
VTa (Max) Maximum Positive- CLK IN
Going Threshold Voltage
31
35
31
35
35
V
VTb (Min) Minimum Negative- CLK IN
Going Threshold Voltage
18
14
18
14
14
V
VTb (Max) Maximum Negative- CLK IN
Going Threshold Voltage
18
21
18
21
21
V
VH(Min) Minimum Hysteresis
VTa(Min)bVTb(Max)
VH(Max) Maximum Hysteresis
VTa(Max)bVTb(Min)
CLK IN
CLK IN
13
06
13
21
13
06
13
21
06
V
21
V
3
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