Datasheet > LM9822CCWM1

LM9822CCWM1

更新时间： 2022-11-26 13:03:20

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
22页	244K
描述
LM9822 3 Channel 42-Bit Color Scanner Analog Front End

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数据手册

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LM9822CCWM1 数据手册

Absolute Maximum Ratings ^{(Notes 1& 2)}

Operating Ratings ^{(Notes 1& 2)}

Positive Supply Voltage (V⁺=V_A=V_D)

OperatingTemperature Range

V_ASupply Voltage

_MIN=0°C≤T_A≤T_MAX=+70°C

+4.75V to +5.25V

+3.0V to +5.25V

≤ 100mV

With Respect to GND=AGND=DGND

Voltage On Any Input or Output Pin

Input Current at any pin (Note 3)

Package Input Current (Note 3)

Package Dissipation at T_A= 25°C

ESD Susceptibility (Note 5)

Human Body Model

6.5V

-0.3V to V⁺+0.3V

±25mA

_DSupplyVoltage

V_D-V_A

±50mA

(Note 4)

OS_R, OS_G, OS_B

InputVoltage Range

-0.05V to _A+ 0.05V

SCLK, SDI, SEN, MCLK, VSMP, CLMP

InputVoltage Range

7000V

450V

-0.05V to V_D+ 0.05V

Machine Model

Soldering Information

Infrared, 10 seconds (Note 6)

Storage Temperature

235°C

-65°C to +150°C

Electrical Characteristics

The following specifications apply for AGND=DGND=0V, V_A=+5.0V_DC, V_D=+3.0 or +5.0V_DC, f_MCLK=12MHz. Boldface limits apply

for T_A=T_J=T_MINto T_MAX; all other limits T_A=T_J=25°C. (Notes 7, 8, 12 & 16)

Typical

(Note 9)

Limits

(Note 10)

Units

(Limits)

Symbol

Parameter

Conditions

CCD/CIS Source Requirements for Full Specified Accuracy and Dynamic Range

(Note 12)

Gain = 0.933

Gain = 3.0

Gain = 9.0

2.1

0.65

0.21

Sensor’s Maximum Peak Differential

Signal Range

V_{OS PEAK}

Full Channel Linearity (In units of 12 bit LSBs)

(Note 14)

+0.9

-0.4

-0.9

DNL

INL

Differential Non-Linearity

LSB(max)

-7

Integral Non-Linearity Error (Note 11)

±2.2

Analog Input Characteristics

OS , OS , OS_BInput Capacitance

µA (max)

Measured with OS = 3.5V_DC

CDS disabled

OS , OS , OS_BInput Leakage Current

CDS enabled

Coarse Color Balance PGA Characteristics

Monotonicity

bits (min)

.90

.96

V/V (min)

V/V (max)

₀(Minimum PGA Gain)

₃₁(Maximum PGA Gain)

PGA Setting = 0

PGA Setting = 31

0.93

3.0

2.95

3.07

V/V (min)

V/V (max)

x3 Boost Setting On

(Bit 5 of Gain Register is set)

2.86

3.08

V/V (min)

V/V (max)

x3 Boost Gain

3.0

Gain Error at any gain (Note 13)

±0.3

1.6

% (max)

Static OffsetDAC Characteristics (In units of 12 bit LSBs)

Monotonicity

bits (min)

LSB (min)

LSB (max)

OffsetDAC LSB size

PGA gain = 1

18.9

OffsetDAC Adjustment Range

PGA gain = 1

±585

±570

LSB (min)

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