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| 型号： | ADA4830-2BCPZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/23页 |
| 文件大小： | 0K |
| 描述： | IC AMP BATT PROTECT DUAL 16LFCSP |
| 标准包装： | 1 |
| 放大器类型： | 差分 |
| 电路数： | 2 |
| 转换速率： | 220 V/µs |
| -3db带宽： | 84MHz |
| 电流 - 电源： | 6.8mA |
| 电流 - 输出 / 通道： | 125mA |
| 电压 - 电源，单路/双路(±)： | 2.9 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 16-LFCSP-WQ（3x3） |
| 包装： | 标准包装 |
| 其它名称： | ADA4830-2BCPZ-R7DKR |
High Speed Difference Amplifier with Input
Short-to-Battery Protection
Data Sheet
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2011–2012 Analog Devices, Inc. All rights reserved.
FEATURES
Input overvoltage (short-to-battery) protection of up to 18 V
Short-to-battery output flag for wire diagnostics
Wide input common-mode range with single 5 V supply
High performance video amplifier with 0.50 V/V gain
3 dB bandwidth of 84 MHz
250 V/s slew rate (2 V step)
Excellent video specifications
0.1 dB flatness to 28 MHz
SNR of 73 dB to 15 MHz
Differential gain/phase of 0.1%/0.1°
Wide supply range: 2.9 V to 5.5 V
Enable/output disable mode
Space saving 3 mm × 3 mm LFCSP package
Wide operating temperature range: 40°C to +125°C
Qualified for automotive applications
APPLICATIONS
Automotive vision systems
Automotive infotainment
Surveillance systems
GENERAL DESCRIPTION
The ADA4830-1 (single) and ADA4830-2 (dual) are monolithic,
high speed difference amplifiers that integrate input overvoltage
(short-to-battery) protection of up to 18 V with a wide input
common-mode voltage range and excellent ESD robustness.
They are intended for use as receivers for differential or pseudo
differential CVBS and other high speed video signals in harsh,
noisy environments such as automotive infotainment and vision
systems. The ADA4830-1 and ADA4830-2 combine high speed
and precision, which allows for accurate reproduction of CVBS
video signals, yet rejects unwanted common-mode error voltages.
The short-to-battery protection that is integrated into the
ADA4830-1 and ADA4830-2 employs fast switching circuitry to
clamp and hold internal voltage nodes at a safe level when an input
overvoltage condition is detected. This protection allows the inputs
of the ADA4830-1 and ADA4830-2 to be directly connected to a
remote video source, such as a rearview camera, without the
need for large expensive series capacitors. The ADA4830-1 and
ADA4830-2 can withstand direct short-to-battery voltages as
high as 18 V on their input pins.
The ADA4830-1 and ADA4830-2 are designed to operate at supply
voltages as low as 2.9 V and as high as 5.5 V, using only 6.8 mA
of supply current per channel. These devices provide true single-
supply capability, allowing the input signal to extend 8.5 V
FUNCTIONAL BLOCK DIAGRAM
STB
ENA
+VS
GND
+VS
R/2
R
R/2
R
INN
INP
VREF
×1
VOUT
ADA4830-1
10020-
001
Figure 1.
STB1
ENA1
+VS1
STB2
ENA2
+VS2
GND2
GND1
+VS
R/2
R
R/2
R
INN1
INP1
VREF1
×1
VOUT1
VOUT2
ADA4830-2
+VS
10020-
102
R
R/2
R
INN2
INP2
VREF2
×1
R/2
Figure 2.
below ground rail and to 8.5 V above ground on a single 5 V
supply. At the output, the amplifier can swing to within 250 mV
of either supply rail into a 150 Ω load.
The ADA4830-1 and ADA4830-2 present a gain of 0.50 V/V at their
output. This is designed to keep the video signal within the allowed
range of the video decoder, which is typically 1 V p-p or less.
The ADA4830-1W and ADA4830-2W are automotive grade
version, qualified for automotive applications. See the
Automotive Products section for more details.
The ADA4830-1 and ADA4830-2 are available in 3 mm × 3 mm
LFCSP packages, 8-lead and 16-lead, respectively, and are specified
for operation over the automotive temperature range of 40°C
to +125°C.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADA4830-2WBCPZ-R7 | 制造商:AD 制造商全称:Analog Devices 功能描述:High Speed Difference Amplifier with Input |
| ADA484 | 制造商:AD 制造商全称:Analog Devices 功能描述:16-Bit, 1 MSPS PulSAR ADC in MSOP QFN |
| ADA4841 | 制造商:AD 制造商全称:Analog Devices 功能描述:14-Bit, 500 kSPS PulSAR ADC in MSOP |
| ADA4841-1 | 制造商:AD 制造商全称:Analog Devices 功能描述:16-Bit Lower Power |
| ADA4841-1YR-EBZ | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Power, Low Noise and Distortion ail-to-Rail Output Amplifiers |
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