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參數(shù)資料
| 型號： | WM8146 |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | TVS 400W 40A UNIDIRECT SMA |
| 中文描述： | 12位（8 4位）線性傳感器圖像處理器 |
| 文件頁數(shù)： | 2/17頁 |
| 文件大?。?/td> | 195K |
| 代理商： | WM8146 |
WM8146
Product Preview
WOLFSON MICROELECTRONICS LTD
PP Rev 1.1 January 2000
2
PIN CONFIGURATION
ORDERING INFORMATION
DEVICE
TEMP. RANGE
PACKAGE
XWM8146CDW/V
0 to 70
o
C
28-pin SOIC
SEN
OP[1]
OP[0]
SCK
SDI
DVDD2
OP[7]
OP[2]
OP[3]
OP[4]
OP[5]
OP[6]
GINP
AGND1
VRB
VRT
VMID
VRLC
BINP
AVDD
DGND
AGND2
DVDD1
OEB
VSMP
RLC
MCLK
RINP
WM8146
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PIN DESCRIPTION
PIN
1
2
3
NAME
RINP
AGND2
DVDD1
TYPE
DESCRIPTION
Red channel input video.
Analogue ground (0V).
Digital supply (5V) for logic and clock generator. This must be operated at the same
potential as AVDD.
Output Hi-Z control, all digital outputs disabled when OEB = 1.
Video sample synchronisation pulse.
Selects reset level clamp on a pixel-by-pixel basis
–
active high. Tie high to use on
every pixel.
Master clock. This clock is applied at N times the input pixel rate (N = 2, 3, 6, 8 or
any multiple of 2 thereafter depending on input sample mode).
Digital ground (0V).
Enables the serial interface when high.
Digital supply (5V/3.3V), all digital I/O pins.
Serial interface data input.
Serial interface clock.
Digital multiplexed output data bus.
Analogue input
Supply
Supply
4
5
6
OEB
VSMP
RLC
Digital input
Digital input
Digital input
7
MCLK
Digital input
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
DGND
SEN
DVDD2
SDI
SCK
OP[0]
OP[1]
OP[2]
OP[3]
OP[4]
OP[5]
OP[6]
OP[7]
AVDD
AGND1
VRB
Supply
Digital input
Supply
Digital input
Digital input
Digital output
Digital output
Digital output
Digital output
Digital output
Digital output
Digital output
Digital output
Supply
Supply
Analogue output
OEB = 0: ADC output data is available in (8+4bit) multiplexed format on pins OP[7] to
OP[0]. See Operational Timing diagrams for details.
OEB = 1: Output is Hi=Z.
Analogue supply (5V). This must be operated at the same potential as DVDD1.
Analogue ground (0V).
Lower reference point of ADC reference string
This pin must be connected to AGND via a decoupling capacitor.
Upper reference point of ADC reference string
This pin must be connected to AGND via a decoupling capacitor.
Buffered mid-point of ADC reference string
This pin must be connected to AGND via a decoupling capacitor.
Selectable analogue output voltage for RLC.
This pin must be connected to AGND via a decoupling capacitor.
Blue channel input video.
Green channel input video.
24
VRT
Analogue output
25
VMID
Analogue output
26
VRLC
Analogue output
27
28
BINP
GINP
Analogue input
Analogue input
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