OPA3875 Triple 2-to-1 High-Speed Video Multiplexer

The OPA3875 offers a very wideband, 3-channel, 2:1 multiplexer in a small SSOP-16 package. Using only 11mA/ch, the OPA3875 provides three, gain of +2, video amplifier channels with greater than 400MHz large-signal bandwidth (4VPP). Gain accuracy and switching glitch are improved over earlier solutions using a new (patented) input stage switching approach. This technique uses current steering as the input switch while maintaining an overall closed-loop design. Gain matching between each of the 3-channel pairs is also significantly improved using this technique (<0.2% gain mismatch). With greater than 700MHz small-signal bandwidth at a gain of 2, the OPA3875 gives a typical 0.1dB gain flatness to greater than 150MHz.

	OPA3875
Iq per channel (Max) (mA)	11.3
Slew Rate (Typ) (V/us)	3100
Io (Typ) (mA)	70
Vs (Min) (V)	+/-3
Vs (Max) (V)	+/-6
Number of Channels	3
Pin/Package	16SSOP/QSOP
Acl, min stable gain (V/V)	2
BW @ Acl (MHz)	700
Diff Gain (%)	0.25
Diff Phase (deg)	0.25
Vio (Max) (mV)	7
THD (Fc=1 MHz) (Typ) (dB)	-85
Settling Time (0.1%) (Typ) (ns)	3
Offset Voltage Drift (+/-) (Max) (uV/Degrees Celsius)	50
Available Channels	3
Vn at Flatband (Typ) (nV/rtHz)	6.7
Approx. Price (US$)	2.55 | 1ku
Iib (Max) (nA)	18000
Noninverting Input Current Noise (pA/rtHz)	3.8
2nd Harmonic (dBc)	67
3rd Harmonic (dBc)	82
@ MHz	10
BW @ G=+2 (MHz)	700
0.1 dB BW Flatness (MHz)	250
Crosstalk (-dB)	-50

OPA3875 特性

• 700MHz SMALL-SIGNAL BANDWIDTH (AV = +2)
• 425MHz, 4VPP BANDWIDTH
• 0.1dB GAIN FLATNESS to 150MHz
• 4ns CHANNEL SWITCHING TIME
• LOW SWITCHING GLITCH: 40mVPP
• 3100V/us SLEW RATE
• 0.025%/0.025° DIFFERENTIAL GAIN, PHASE
• HIGH GAIN ACCURACY: 2.0V/V ±0.4%
• APPLICATIONS
• RGB SWITCHING
• LCD PROJECTOR INPUT SELECT
• WORKSTATION GRAPHICS
• TRIPLE ADC INPUT MUX
• DROP-IN UPGRADE TO LT1675

OPA3875 芯片订购指南

器件	状态	温度	价格	封装 | 引脚	封装数量 | 封装载体	丝印标记
OPA3875IDBQ	ACTIVE		3.05 | 1ku	SSOP/QSOP (DBQ) | 16	75 | TUBE
OPA3875IDBQG4	ACTIVE		3.05 | 1ku	SSOP/QSOP (DBQ) | 16	75 | TUBE
OPA3875IDBQR	ACTIVE		2.55 | 1ku	SSOP/QSOP (DBQ) | 16	2500 | LARGE T&R
OPA3875IDBQRG4	ACTIVE		2.55 | 1ku	SSOP/QSOP (DBQ) | 16	2500 | LARGE T&R

OPA3875 质量与无铅数据

器件	环保计划*	铅/焊球涂层	MSL 等级/回流焊峰	环保信息与无铅 (Pb-free)	DPPM / MTBF / FIT 率
OPA3875IDBQ	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	OPA3875IDBQ	OPA3875IDBQ
OPA3875IDBQG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	OPA3875IDBQG4	OPA3875IDBQG4
OPA3875IDBQR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	OPA3875IDBQR	OPA3875IDBQR
OPA3875IDBQRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	OPA3875IDBQRG4	OPA3875IDBQRG4

OPA3875 应用技术支持与电子电路设计开发资源下载

1. OPA3875 数据资料 dataSheet 下载.PDF
2. TI 德州仪器特殊功能放大器产品选型与价格 . xls
3. 所选封装材料的热学和电学性质 (PDF 645 KB)
4. 高速数据转换 (PDF 1967 KB)
5. 使您的仪器放大器设计达到最佳效果 (zhct011.PDF, 897 KB)
6. 低成本电流并联监视器 IC 使动圈式仪表设计复兴 (zhct030.PDF, 1.04 MB)
7. Demystifying the Operational Transconductance Amplifier (sboa117.HTM, 8 KB)
8. Using the OPA3875 with the OPA3875 to Generate 4mA to 20mA Output (PDF 167 KB)
9. 在 PSPICE 中使用德州仪器 (TI) SPICE 模型 (zhca088.HTM, 8 KB)
10. PowerPADTM Thermally Enhanced Package (slma002g.HTM, 8 KB)
11. 运算放大器的单电源操作 (PDF 2174 KB)
12. Tuning in Amplifiers (PDF 44 KB)
13. Op Amp Performance Analysis (PDF 76 KB)
14. An Error Analysis of the ISO102 in a Small Signal Measuring Application (PDF 29 KB)
15. Level Shifting Signals with Differential Amplifiers (PDF 23 KB)
16. Operational Amplifier Macromodels: A Comparison (PDF 59 KB)

OPA3875 工具与软件

培训内容	型号	软件/工具类型
OPA3875EVM 评估模块	OPA3875EVM	开发电路板/EVM