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參數資料
| 型號： | VV5410 |
| 廠商： | 意法半導體 |
| 英文描述： | Mono and Colour Digital Video CMOS Image Sensors |
| 中文描述： | 莫諾和數字視頻彩色CMOS圖像傳感器 |
| 文件頁數： | 89/105頁 |
| 文件大?。?/td> | 489K |
| 代理商： | VV5410 |
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CMOS Sensor; Customer Datasheet, Rev 3.0, 28 September 2000
VV5410 & VV6410
Commercial in confidence
cd5410-6410f-3-0.fm
11.1.4 Audio Amplifier Bandwidth
1
The audio circuit can be bandwidth limited to a first order, through the use of minimum external circuitry. The two outputs, AoutP
and AoutN, require compensation capacitors that may also be used to define the bandwidth of the circuit.
In addition, the inclusion of a resistor (microphone biasing) and decoupling capacitor at the input allows a first order high pass
filter to be realised. This can easily be designed to remove frequencies below 50Hz/60Hz (mains electricity noise).
11.2 Voltage Regulators
VV5410/VV6410 contains three on-chip voltage regulators, two of which are capable of being powered-down via the serial
interface. The third regulator, controlling the band gap references is never powered down. The band gap circuitry is extremely low
power consuming only 30
μ
A.
11.2.1 Regulator for Digital System
The output of the regulator, Reg3V3, powers the digital logic and can power an external co-processor. The regulator is powered
up by default. The regulator has its own discrete power supply and can source a load of 300
μ
A -> 150mA and will regulate to
3.0V 10% from an input range of 4-6V. When VV5410/VV6410 is in the USB compatible suspend mode, the clocks to the digital
logic are removed to limit power consumption to approximately 80
μ
A. If an external 3.3V supply is available, this regulator may
be overdriven by an external 3.3V supply to directly power the logic. This voltage regulator is never powered down.
11.2.2 Regulator for Audio Amplifier
The output of the regulator for the audio amplifier, Aud3V3, drives the load resistor for the microphone and the audio pre-
amplifier. As this regulator is capable of being powered-down via the serial interface, all control signals from the digital logic are
low during low power/standby. This regulator will be powered up by default.
11.2.3 Regulator for Video Supply/Analogue Core
The output of the regulator for the video supply,Vid3V3, powers the analog core. This regulator is capable of being powered-
down via the serial interface but will be powered up by default. Note that the sensor will be in low power mode initially and
therefore
11.3 Valid Supply Voltage Configurations
The power supplies to the VV5410 and VV6410 sensors can be configured such that the sensor will operate in a number of
systems:
USB system (sensor will regulate the nominal 5V supply to 3V3 internally) with optional BJT to provide power for a companion
chip.
Direct drive the sensor with 3V3 (internal voltage regulators will be powered down in this mode).
The next 2figures will detail the options described above:
2.
3.
Minimum dynamic range includes dcout (i.e. Vclip- OUT_DC is greater than Vppmin/2)
Assumes 10
μ
F bypass capacitors on all supplies and well separated supplies and grounds
1. Each audio output must have a capacitor (Ccomp) connected to ground to avoid any oscillation
Compensation Capacitor (nF)
3dB Bandwidth
Units
1
175
kHz
10
41
kHz
100
4.2
kHz
Table 62 : Compensation capacitor values
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| VV5430C001 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Monochrome Analog Output CMOS Image Sensors |
| VV5501C001 | 功能描述:視頻 IC Monochrome Sensor RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| VV5F3-30-041 | 制造商:SMC Corporation of America 功能描述:Manifold Base for VF series, base mt, 1/4 inch |
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