LM98714BCMT datasheet(9/17 Pages) TI

Part #	LM98714BCMT

Description	LM98714 Three Channel, 16-Bit, 45 MSPS Digital Copier Analog Front End with Integrated CCD/CIS Sensor Timing Generator and LVDS Output

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Manufacturer	TI [Texas Instruments]

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LM98714

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SNAS254 – OCTOBER 2006

Electrical Characteristics (continued)

The following specifications apply for VA = VD = VR = VC = 3.3V, CL = 10pF, and fINCLK = 15MHz unless otherwise specified.

Boldface limits apply for TA = TMIN to TMAX; all other limits TA = 25°C.

(1)

Symbol

Parameter

Conditions

Min

Typ (2)

Max

Units

IOS

Output Short Circuit Current

VOUT = 0V, RL = 100Ω

7.9

mA

Power Supply Specifications

IA

VA Analog Supply Current

VA Normal State

60

97

125

mA

VA Low Power State

12

23

32

mA

(Powerdown)

IR

VR Digital Supply Current

VR Normal State

30

64

75

mA

(LVDS Outputs)

CMOS Output Data Format

15

47

55

mA

LVDS Output Data Format with

47

mA

Data Outputs Disabled

ID

VD Digital Output Driver Supply

LVDS Output Data Format

0.05

mA

Current

CMOS Output Data Format

12

40

mA

(ATE Loading of CMOS

Outputs > 50pF)

IC

VC CCD Timing Generator Output

Typical sensor outputs:

0.5

12

mA

Driver Supply Current

SH, CLK1=

Φ1A, CLK2=Φ2A,

CLK3=

ΦB, CLK4=ΦC,

CLK5=RS, CLK6=CP

(ATE Loading of CMOS

Outputs > 50pF)

PWR

Average Power Dissipation

LVDS Output Data Format

350

505

650

mW

CMOS Output Data Format

380

610

700

mW

(ATE Loading of CMOS

Outputs > 50pF)

Input Sampling Circuit Specifications

VIN

Input Voltage Level

CDS Gain=1x, PGA Gain=1x

2.3

Vp-p

CDS Gain=2x, PGA Gain= 1x

1.22

IIN_SH

Sample and Hold Mode

Source Followers Off

50

70

μA

Input Leakage Current

CDS Gain = 1x

(-70)

(-40)

OSX = VA (OSX = AGND)

Source Followers Off

75

105

μA

CDS Gain = 2x

(-105)

(-75)

OSX = VA (OSX = AGND)

Source Followers On

-200

-10

200

nA

CDS Gain = 2x

-16

OSX = VA (OSX = AGND)

CSH

Sample/Hold Mode

CDS Gain = 1x

2.5

pF

Equivalent Input Capacitance

CDS Gain = 2x

4

pF

IIN_CDS

CDS Mode

Source Followers Off

-300

7

300

nA

Input Leakage Current

OSX = VA (OSX = AGND)

(-25)

RCLPIN

CLPIN Switch Resistance

16

50

Ω

VCLP Reference Circuit Specifications

VCLP DAC Resolution

4

Bits

VCLP DAC Step Size

0.16

V

VVCLP

VCLP DAC Voltage Min Output

VCLP Config. Register =

0.14

0.26

0.43

V

0001 0000b

VCLP DAC Voltage Max Output

VCLP Config. Register =

2.38

2.68

2.93

V

0001 1111b

Resistor Ladder Enabled

VCLP Config. Register =

1.54

VA / 2

1.73

V

0010 xxxxb

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