adc12c105eb National Semiconductor Corporation, adc12c105eb Datasheet - Page 6

• Manufacturer Part Number: adc12c105eb
• Description: 12-bit, 95/105 Msps A/d Converter
• Manufacturer: National Semiconductor Corporation

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V
Ext V
DYNAMIC CONVERTER CHARACTERISTICS, A
FPBW
SNR
SFDR
ENOB
THD
H2
H3
SINAD
IMD
DIGITAL INPUT CHARACTERISTICS (CLK, PD)
V
V
I
I
Symbol
Symbol
Symbol
IN(1)
IN(0)
RN
IN(1)
IN(0)
Dynamic Converter Electrical Characteristics
Unless otherwise specified, the following specifications apply: AGND = DRGND = 0V, V
+1.2V, f
limits apply for T
Logic and Power Supply Electrical Characteristics
Unless otherwise specified, the following specifications apply: AGND = DRGND = 0V, V
+1.2V, f
limits apply for T
REF
CLK
CLK
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Input Current
Logical “0” Input Current
Internal Reference bottom
External Reference Voltage
Full Power Bandwidth
Signal-to-Noise Ratio
Spurious Free Dynamic Range
Effective Number of Bits
Total Harmonic Disortion
Second Harmonic Distortion
Third Harmonic Distortion
Signal-to-Noise and Distortion Ratio
Intermodulation Distortion
= 105 MHz, 50% Duty Cycle, DCS disabled, V
= 105 MHz, 50% Duty Cycle, DCS disabled, V
MIN
MIN
≤
≤
Parameter
Parameter
Parameter
T
T
A
A
≤
≤
T
T
MAX
MAX
. All other limits apply for T
. All other limits apply for T
IN
V
V
V
V
(Note )
(Note )
-1 dBFS Input, −3 dB Corner
D
D
IN
IN
= -1dBFS
= 3.6V
= 3.0V
= 3.3V
= 0V
f
IN
CM
CM
= 19.5 MHz and 20.5MHz,
A
A
= V
= V
= 25°C (Notes 8, 9)
= 25°C (Notes 8, 9)
f
f
f
f
f
f
f
6
each -7 dBFS
f
f
IN
f
f
IN
f
f
IN
f
f
IN
f
f
IN
f
f
IN
f
f
IN
CMO
CMO
Conditions
Conditions
Conditions
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 240 MHz
= 240 MHz
= 240 MHz
= 240 MHz
= 240 MHz
= 240 MHz
= 240 MHz
= 10 MHz
= 70 MHz
= 10 MHz
= 70 MHz
= 10 MHz
= 70 MHz
= 10 MHz
= 70 MHz
= 10 MHz
= 70 MHz
= 10 MHz
= 70 MHz
= 10 MHz
= 70 MHz
, C
, C
L
L
= 5 pF/pin, . Typical values are for T
= 5 pF/pin. Typical values are for T
A
A
= +3.3V, V
= +3.3V, V
(Note 10)
(Note 10)
Typical
Typical
(Note 10)
Typical
0.98
1.20
70.5
11.5
11.3
11.1
70.8
68.6
−86
−85
−80
−95
−90
−86
−90
−86
−82
1.0
-82
71
69
90
86
82
70
−10
10
DR
DR
= +2.5V, Internal V
= +2.5V, Internal V
Limits
Limits
1.176
1.224
0.89
1.06
68.3
10.9
67.4
-74
-78
-78
78
Limits
A
2.0
0.8
A
= 25°C. Boldface
= 25°C. Boldface
(Limits)
(Limits)
(Note 2)
V (max)
V (max)
V (min)
V (min)
Units
Units
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
GHz
(Limits)
V (max)
Bits
Bits
Bits
V (min)
Units
REF
REF
µA
µA
=
=