adc12041 National Semiconductor Corporation, adc12041 Datasheet - Page 5

• Manufacturer Part Number: adc12041
• Description: 12-bit Plus Sign 216 Khz Sampling Analog-to-digital Converter
• Manufacturer: National Semiconductor Corporation

Symbol
I
R
CV
I
I
Symbol
IN
I
V
V
I
I
V
A
ST
C
The following specifications apply to the ADC12041 for V
sion mode, f
common-mode voltage, and minimum acquisition time, unless otherwise specified. Boldface limits apply for T
to T
Symbol
IH
IL
The following specifications apply to the ADC12041 for V
sion mode, f
common-mode voltage, and minimum acquisition time, unless otherwise specified. Boldface limits apply for T
to T
REF
ON
Power Supply Characteristics
Analog Input Characteristics
Reference Inputs
Digital Logic Input/Output Characteristics
Symbol
The following specifications apply to the ADC12041 for V
version mode, f
2.048V common-mode voltage, and minimum acquisition time, unless otherwise specified. Boldface limits apply for T
+
The following specifications apply to the ADC12041 for V
version mode, f
2.048V common-mode voltage, and minimum acquisition time, unless otherwise specified. Boldface limits apply for T
= T
= T
IH
IL
OH
REF
IN
MAX
MIN
MIN
MAX
; all other limits T
V
ADC Input On Resistance
ADC Input Capacitance
to T
; all other limits T
to T
IN
V
Standby Supply Current
(I
+ and V
D
A
CLK
MAX
MAX
CLK
Reference Input Current
Reference Input Capacitance
+ + I
+ Analog Supply Current
Logic High Input Voltage
Logic Low Input Voltage
Logic High Input Current
Logic Low Input Current
Logic High Output Voltage
CLK
CLK
; all other limits T
; all other limits T
= 12.0 MHz, R
= 12.0 MHz, R
A
Parameter
+)
IN
= 12.0 MHz, R
= 12.0 MHz, R
− Input Leakage Current
Parameter
Parameter
A
A
Parameter
= T
= T
J
S
S
J
= 25˚C
= 25 , source impedance for V
= 25 , source impedance for V
A
A
= 25˚C
S
S
= T
= T
= 25 , source impedance for V
= 25 , source impedance for V
J
J
= 25˚C
= 25˚C
Start Command (Performing a conversion)
with SYNC configured as an input and driven
with a 214 kHz signal. Bus width set to 13.
f
f
Standby Mode
f
f
CLK
CLK
CLK
CLK
= 12.0 MHz, Reset Mode
= 12.0 MHz, Conversion
= Stopped
= 12.0 MHz
V
V
V
Refer to section titled INPUT CURRENT.
V
Analog Input Signal: 1 kHz
(Note 20) 80 kHz
IN
IN
IN
REF
(Continued)
+ = 5V
− = 0V
= 2.5V
+ 4.096V, V
V
V
V
V
V
I
OUT
A
A
A
A
A
IN
IN
A
A
+ = V
+ = V
Conditions
+ = V
+ = V
+ = V
+ = V
+ = V
Conditions
= 5V
= 0V
Conditions
= −1.6 mA
Conditions
5
D
D
D
D
D
D
D
REF
REF
+ = 5V, V
+ = 5V, V
+ = 5.5V
+ = 4.5V
+ = 4.5V
+ = 5V, V
+ = 5V, V
REF
+ and V
+ and V
REF
REF
− = 0V
+ and V
+ and V
REF
REF
REF
REF
REF
REF
+ = 4.096V, V
+ = 4.096V, V
+ = 4.096V, V
+ = 4.096V, V
+
− 1 , fully differential input with fixed 2.048V
REF
REF
(Note 10)
−
−
1 , fully differential input with fixed 2.048V
Typical
−0.035
0.035
(Note 10)
2.4
Typical
1 , fully differential input with fixed
1 , fully differential input with fixed
145
136
85
(Note 10)
Typical
REF
(Note 10)
REF
100
REF
REF
2.3
2.3
Typical
5
±
1000
− = 0.0V, 12-Bit + sign conver-
0.05
10
− = 0.0V, 12-bit + sign conver-
− = 0.0V, 12-bit + sign con-
− = 0.0V, 12-bit + sign con-
(Note 11)
Limits
(Note 11)
−2.0
2.2
0.8
2.0
2.4
(Note 11)
Limits
Limits
(Note 11)
120
4.0
15
Limits
2.0
A
A
= T
= T
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J
J
µA (max)
µA (max)
mA (max)
V (max)
µA (max)
µA (max)
= T
V (min)
V (min)
(Limit)
= T
µA (max)
(Limit)
A
A
(Limit)
Unit
(Limit)
Unit
Unit
mA
Unit
= T
µA
µA
= T
pF
MIN
MIN
pF
J
J