Datasheet > LTC2311-12

LTC2311-12

更新时间： 2023-12-20 18:44:06

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	1263K
描述
具宽输入共模范围的 12 位带符号位、5Msps 差分输入 ADC

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LTC2311-12 数据手册

LTC2311-12

POWER REQUIREMENTS ^Thel denotes the specifications which apply over the full operating temperature

range, otherwise specifications are at T_A= 25°C (Note 4).

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

5V Operation

3.3V Operation

4.75

3.13

5.25

3.47

Supply Voltage

1.71

2.63

μA

–

Supply Current

5Msps Sample Rate (A = A = ±V)

8.8

2.4

±.1

VDD

Nap Mode Current

Sleep Mode Current

Conversion Done (I

)

3.5

1±

NAP

VDD

= 3.3V, Sleep Mode (I

+ I

)

SLEEP

VDD

OVDD

CMOS I/O Mode

Supply Current

Power Dissipation

Nap Mode

5Msps Sample Rate (C = 5pF)

1.1

1.5

μW

OVDD

–

= 3.3V 5Msps Sample Rate (A = A = ±V)

D_3.3V

D_5V

= 3.3V Conversion Done (I

+ I

)

OVDD

7.5

±.3

5±

VDD

Sleep Mode

= 3.3V Sleep Mode (I

+ I

)

VDD

OVDD

–

Power Dissipation

Nap Mode

= 5V 5Msps Sample Rate (A = A = ±V)

3±

μW

= 5V Conversion Done (I

+ I

)

OVDD

VDD

Sleep Mode

= 5V Sleep Mode (I

+ I

)

OVDD

±.5

VDD

LVDS I/O Mode

Supply Current

Power Dissipation

Nap Mode

5Msps Sample Rate (R = 1±±Ω)

2.5

3.5

µW

OVDD

–

= 3.3V 5Msps Sample Rate (A = A = ±V)

IN IN

D_3.3V

= 3.3V Conversion Done (I

+ I

)

VDD

OVDD

Sleep Mode

= 3.3V Sleep Mode (I

+ I

)

±.3

VDD

OVDD

–

Power Dissipation

Nap Mode

= 5V 5Msps Sample Rate (A = A = ±V)

2±

µW

D_5V

= 5V Conversion Done (I

+ I

)

OVDD

VDD

Sleep Mode

= 5V Sleep Mode (I

+ I

)

OVDD

±.5

VDD

ADC TIMING CHARACTERISTICS The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at T_A= 25°C (Note 4).

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

CMOS, LVDS I/O Modes

Maximum Sampling Frequency

Time Between Conversions

Acquisition Time

Msps

SMPL

(Note 11)

2±±

38.1

161.9

1±±±±±±

CYC

ACQ

Conversion Time

CONV

CNV High Time

CNVH

(Note 11)

1±

SCK Quiet Time from CNV↓

SCK Delay Time to CNV↑

SCK Period

DCNVSCKL

DSCKLCNVH

SCK

(Note 11)

2±

(Notes 12, 13)

9.4

SCK High Time

SCKH

SCK Low Time

SCKL

Rev. A

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