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LM9822 датащи(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали LM9822
подробное описание детали  LM9822 3 Channel 42-Bit Color Scanner Analog Front End
PDF  22 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM9822 датащи(HTML) 4 Page - National Semiconductor (TI)

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Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
Internal Reference Characteristics
VREFMID
Mid Reference Output Voltage
2.5
V
VREF+ OUT
Positive Reference Output Voltage
3.5
V
VREF- OUT
Negative Reference Output Voltage
1.5
V
∆V
REF
Differential Reference Voltage
VREF+ OUT - VREF- OUT
2.0
V
System Characteristics (In units of 12 bit LSBs) (see section 5.1, Internal Offsets)
C
Analog Channel Gain Constant
(ADC Codes/V)
Includes voltage reference
variation, gain setting = 1
2107
1934
2281
LSB (min)
LSB (max)
VOS1
Pre-Boost Analog Channel Offset Error,
CCD Mode
17.3
-61
+94
LSB (min)
LSB (max)
VOS1
Pre-Boost Analog Channel Offset Error,
CIS Mode
27
-49
+103
LSB (min)
LSB (max)
VOS2
Pre-PGA Analog Channel Offset Error
-40
-124
+44
LSB (min)
LSB (max)
VOS3
Post-PGA Analog Channel Offset Error
-38
-130
+55
LSB (min)
LSB (max)
DC and Logic Electrical Characteristics
The following specifications apply for AGND=DGND=0V, VA=+5.0VDC, VD=+3.0 or +5.0VDC, fMCLK=12MHz. Boldface limits apply
for TA=TJ=TMIN to TMAX; all other limits A=TJ=25°C. (Notes 7& 8)
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
SCLK, SDI, SEN, MCLK, VSMP,CLMP Digital Input Characteristics
VIN(1)
Logical “1” Input Voltage
VA=5.25V
2.0
V (max)
VIN(0)
Logical “0” Input Voltage
VA=4.75V
0.8
V (min)
IIN
Input Leakage Current
VIN=VA
VIN=DGND
0.1
-0.1
µA(max)
µA(max)
CIN
Input Capacitance
5
pF
D0-D7 Digital Output Characteristics
VOUT(1)
Logical “1” Output Voltage
IOUT=-360µA
0.8*VD
V (min)
VOUT(0)
Logical “0” Output Voltage
IOUT=1.6mA
0.2*VD
V (max)
Power Supply Characteristics
IA
Analog Supply Current
Operating
75
108
mA (max)
Power Down
675
900
µA (max)
ID
Digital Supply Current (Note 15)
Operating
210
475
µA (max)
Power Down
2
25
µA (max)
Electrical Characteristics (Continued)
The following specifications apply for AGND=DGND=0V, VA=+5.0VDC, VD=+3.0 or +5.0VDC, fMCLK=12MHz. Boldface limits apply
for TA=TJ=TMIN to TMAX; all other limits TA=TJ=25°C. (Notes 7, 8, 12 & 16)



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