Specifications

ADC12D1800RF
www.ti.com SNAS518I –JULY 2011–REVISED JANUARY 2014
3.11 Converter Electrical Characteristics
Power Supply Characteristics
ADC12D1800RF
Units
Symbol Parameter Conditions
(Limits)
Typ Lim
I
A
Analog Supply Current PDI = PDQ = Low 1360 mA
PDI = Low; PDQ = High 745 mA
PDI = High; PDQ = Low 745 mA
PDI = PDQ = High 2.7 mA
I
TC
Track-and-Hold and Clock Supply PDI = PDQ = Low 515 mA
Current
PDI = Low; PDQ = High 305 mA
PDI = High; PDQ = Low 305 mA
PDI = PDQ = High 650 µA
I
DR
Output Driver Supply Current PDI = PDQ = Low 275 mA
PDI = Low; PDQ = High 145 mA
PDI = High; PDQ = Low 145 mA
PDI = PDQ = High 6 µA
I
E
Digital Encoder Supply Current PDI = PDQ = Low 110 mA
PDI = Low; PDQ = High 65 mA
PDI = High; PDQ = Low 65 mA
PDI = PDQ = High 34 µA
I
TOTAL
Total Supply Current 1:2 Demux Mode
2260 2481 mA (max)
PDI = PDQ = Low
Non-Demux Mode
2220 mA
PDI = PDQ = Low
P
C
Power Consumption 1:2 Demux Mode
PDI = PDQ = Low 4.29 4.7 W (max)
PDI = Low; PDQ = High 2.39 W
PDI = High; PDQ = Low 2.39 W
PDI = PDQ = High 6.5 mW
Non-Demux Mode
PDI = PDQ = Low 4.22 W
3.12 Converter Electrical Characteristics
AC Electrical Characteristics
ADC12D1800RF
Units
Symbol Parameter Conditions
(Limits)
Typ Lim
Sampling Clock (CLK)
f
CLK (max)
Maximum Sampling Clock
1.8 GHz
Frequency
f
CLK (min)
Minimum Sampling Clock Non-DES Mode; LFS = 0b 300 MHz
Frequency
Non-DES Mode; LFS = 1b 150 MHz
DES Mode 500 MHz
Sampling Clock Duty Cycle f
CLK(min)
≤ f
CLK
≤ f
CLK(max)
(1)
20 % (min)
50
80 % (max)
t
CL
Sampling Clock Low Time See
(2)
278 111 ps (min)
t
CH
Sampling Clock High Time See
(2)
278 111 ps (min)
(1) This parameter is specified by design and/or characterization and is not tested in production.
(2) This parameter is specified by design and is not tested in production.
Copyright © 2011–2014, Texas Instruments Incorporated Electrical Specifications 27
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