ADC 6 Especificaciones descargar pdf (Pagina 27)

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

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

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

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

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

TOTAL

Total Supply Current 1:2 Demux Mode

2260 2481 mA (max)

PDI = PDQ = Low

Non-Demux Mode

2220 mA

PDI = PDQ = Low

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)

CLK (max)

Maximum Sampling Clock

1.8 GHz

Frequency

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)

80 % (max)

Sampling Clock Low Time See

(2)

278 111 ps (min)

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.

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