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| 型號： | ADA4861-3YRZ-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 7/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP CF TRPL LP 100MA 14SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 放大器類型： | 電流反饋 |
| 電路數(shù)： | 3 |
| 轉(zhuǎn)換速率： | 910 V/µs |
| -3db帶寬： | 370MHz |
| 電流 - 輸入偏壓： | 2.9µA |
| 電壓 - 輸入偏移： | 100µV |
| 電流 - 電源： | 17.9mA |
| 電流 - 輸出 / 通道： | 100mA |
| 電壓 - 電源，單路/雙路(±)： | 5 V ~ 12 V，±2.5 V ~ 6 V |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-SOIC |
| 包裝： | 帶卷 (TR) |
ADA4861-3
Rev. A | Page 14 of 16
05
70
8-
00
4
75
CABLE
75
CABLE
75
VOUT2
VOUT1
–VS
+VS
VIN
0.1F
10F
75
CABLE
75
+
–
RF
301
RG
301
ADA4861-3
RGB VIDEO DRIVER
Figure 50 shows a typical RGB driver application using bipolar
supplies. The gain of the amplifier is set at +2, where RF = RG =
301 Ω. The amplifier inputs are terminated with shunt 75 Ω
resistors, and the outputs have series 75 Ω resistors for proper
video matching. In Figure 50, the POWER-DOWN pins are not
shown connected to any signal source for simplicity. If the
power-down function is not used, it is recommended that the
power-down pins be tied to the negative supply and not be left
floating (not connected).
For applications that require a fixed gain of +2, consider using
the
Figure 51. Video Driver Schematic for Two Video Loads
another high performance triple current feedback amplifier that
can simplify design and reduce board area.
0.1
–0.9
–0.8
–0.7
–0.6
–0.5
–0.4
–0.3
–0.2
–0.1
0
1
10
100
400
0
57
08-
010
N
OR
M
A
L
IZ
E
D
GA
IN
(
d
B
)
FREQUENCY (MHz)
VS = ±5V
RL = 75
VOUT = 2V p-p
RF
301
RG
301
75
VOUT (R)
VIN (R)
7
5
6
RF
301
RG
301
75
VOUT (G)
VIN (G)
8
10
9
RF
301
RG
301
75
VOUT (B)
VIN (B)
14
12
13
1
2
3
10F
0.1F
+VS
4
0.1F
10F
–VS
11
PD1
PD2
PD3
05
70
8-
0
03
Figure 52. Large Signal Frequency Response for Various Supplies, RL = 75 Ω
POWER-DOWN PINS
The ADA4861-3 is equipped with three independent POWER
DOWN pins, one for each amplifier. This allows the user the
ability to reduce the quiescent supply current when an amplifier
is inactive. The power-down threshold levels are derived from
the voltage applied to the VS pin. When used in single-supply
applications, this is especially useful with conventional logic
levels. The amplifier is powered down when the voltage applied
to the POWER DOWN pins is greater than VS + 1 V. In a
single-supply application, this is > +1 V (that is, 0 V + 1 V), in a
±5 V supply application, the voltage is > 4 V. The amplifier is
enabled whenever the POWER DOWN pins are left either open
or the voltage on the POWER DOWN pins is lower than 1 V
above VS. If the POWER DOWN pins are not used, it is best to
connect them to the negative supply.
Figure 50. RGB Video Driver
DRIVING TWO VIDEO LOADS
In applications that require two video loads be driven
simultaneously, the ADA4861-3 can deliver. Figure 51 shows
the ADA4861-3 configured with dual video loads. Figure 52
shows the dual video load 0.1 dB bandwidth performance.
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| ADA4862-3 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Speed, G = +2, Low Cost, Triple Op Amp |
| ADA4862-3YR-EBZ | 功能描述:BOARD EVAL FOR ADA4862-3YR RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 運(yùn)算放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
| ADA4862-3YRZ | 功能描述:IC OPAMP CF TRPL LP 115MA 14SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:MicroAmplifier™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:5pA 電壓 - 輸入偏移:1500µV 電流 - 電源:220µA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 36 V，±2.25 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:剪切帶 (CT) 其它名稱:296-29363-1 |
| ADA4862-3YRZ-RL | 功能描述:IC OPAMP CF TRPL LP 115MA 14SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR) |
| ADA4862-3YRZ-RL7 | 功能描述:IC OPAMP CF TRPL LP 115MA 14SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR) |
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