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| 型號(hào)： | AD8260ACPZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 20/32頁(yè) |
| 文件大小： | 0K |
| 描述： | IC AMP VGA DIFF LN 310MA 32LFCSP |
| 標(biāo)準(zhǔn)包裝： | 5,000 |
| 放大器類型： | 可變?cè)鲆?br> |
| 電路數(shù)： | 1 |
| 輸出類型： | 差分 |
| 轉(zhuǎn)換速率： | 730 V/µs |
| -3db帶寬： | 195MHz |
| 電流 - 輸入偏壓： | 200nA |
| 電流 - 電源： | 28.3mA |
| 電流 - 輸出 / 通道： | 310mA |
| 電壓 - 電源，單路/雙路(±)： | 3.3 V ~ 10 V，±3.3 V ~ 5 V |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 32-LFCSP-VQ |
| 包裝： | 帶卷 (TR) |
| 配用： | AD8260-EVALZ-ND - BOARD EVAL FOR AD8260 |
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AD8260
Rev. A | Page 27 of 32
CONNECTING THE EVALUATION BOARD
Figure 69 shows an evaluation board with typical test connec-
tions. The various pieces of test equipment are representative,
and equivalent equipment may be substituted.
The AD8260 includes two amplifier channels: a high current
driver and a digitally controlled VGA that is independently
enabled. The slide switch labeled ENABLE functions as the chip
enable, the GNSx switches permit the preamplifier/VGA to
operate, and the TX_EN switch enables the high current driver.
These independent enable functions permit the device to
operate in a send or listen mode when used as a transceiver.
The high current driver features differential inputs and is
optimally driven by a differential signal source. The input signal
is monitored at the 2-pin header labeled INP, using a differential
probe such as the Tektronix P6247 (not shown). Two 49.9 Ω
resistors are provided (R12 and R13), either for terminating
coaxial cables from a signal generator or to be used as load
resistors for a DAC with a current source output. An optional
external load resistor is connected at the SMA connector TXOP
and the output signal monitored at the 2-pin header labeled
TXOP_1.
As shipped, the gain of the high current driver is 1.5×, its default
value. The internal differential network with resistor values of
1 kΩ and 1.5 kΩ establishes this value. Other values of gain are
realized by connecting external resistors to the device at Pin 23,
Pin 24, Pin 27, Pin 28, and Pin 31, as shown in Figure 68, which
shows the internal structure for the default gain and how the
gain can be modified.
CCOMP
INPP
INRP
VOCM
TXFB
INRN
INPN
TXOP
VMDO
1k
1k
1.5k
DEFAULT GAIN SETTING
COMPONENTS ARE SHOWN IN BLACK,
OPTIONAL COMPONENTS
ARE SHOWN IN GRAY.
1.5k
+
–
29
27
23
24
30
32
1
31
28
07192-
068
Figure 68. Gain-Setting Resistors of the High Current Driver
The VGA/preamplifier is completely independent of the high
current driver and features a single-ended input at the SMA
connector PRAI. The input signal is monitored at the header
VPRE_IN. The output is monitored at the 2-pin header
VGA_OUT.
The gain bits, GNS0 through GNS3, must be set before the
VGA/preamplifier can operate. Table 4 lists the binary gain
codes. The board is shipped with both enables (ENBL and
TXEN) engaged and the gain-code switches adjusted for
maximum DGA gain (1011). Resistor R5 and Resistor R6
establish the preamplifier gain and are 100 Ω as shipped for a
noninverting preamplifier gain of 2×.
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| AD8260ACPZ-WP | 功能描述:IC AMP VGA DIFF LN 310MA 32LFCSP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 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-SOIC 包裝:帶卷 (TR) |
| AD8260-EVALZ | 功能描述:BOARD EVAL FOR AD8260 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)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:- |
| AD8264 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad, 235 MHz, DC-Coupled VGA and Differential Output Amplifier |
| AD8264ACPZ | 功能描述:IC AMP VGA DIFF QUAD LN 40LFCSP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| AD8264ACPZ-R7 | 功能描述:IC AMP VGA DIFF QUAD LN 40LFCSP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 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:30pA 電壓 - 輸入偏移:2000µV 電流 - 電源:200µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 |
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