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參數(shù)資料
| 型號(hào)： | MAX4205EUA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 13/14頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC BUFFER OPEN LOOP 8-UMAX |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 緩沖器 |
| 電路數(shù)： | 2 |
| 轉(zhuǎn)換速率： | 4200 V/µs |
| -3db帶寬： | 720MHz |
| 電流 - 輸入偏壓： | 800nA |
| 電壓 - 輸入偏移： | 1000µV |
| 電流 - 電源： | 2.2mA |
| 電流 - 輸出 / 通道： | 44mA |
| 電壓 - 電源，單路/雙路(±)： | ±4 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-uMAX |
| 包裝： | 帶卷 (TR) |
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_______________Detailed Description
The MAX4200–MAX4205 wide-band, open-loop buffers
feature high slew rates, high output current, low
2.1nV√Hz voltage-noise density, and excellent capaci-
tive-load-driving capability. The MAX4200/MAX4203
are single/dual buffers with up to 660MHz bandwidth,
230MHz 0.1dB gain flatness, and a 4200V/s slew rate.
The MAX4201/MAX4204 single/dual buffers with inte-
grated 50 output termination resistors, up to 780MHz
bandwidth, 280MHz gain flatness, and a 4200V/s slew
rate, are ideally suited for driving high-speed signals
over 50 cables. The MAX4202/MAX4205 provide
bandwidths up to 720MHz, 230MHz gain flatness,
4200V/s slew rate, and integrated 75 output termina-
tion resistors for driving 75 cables.
With an open-loop gain that is slightly less than +1V/V,
these devices do not have to be compensated with the
internal dominant pole (and its associated phase shift)
that is present in voltage-feedback devices. This fea-
ture allows the MAX4200–MAX4205 to achieve a nearly
constant group delay time of 405ps over their full fre-
quency range, making them well suited for a variety of
RF and IF signal-processing applications.
These buffers operate with ±5V supplies and consume
only 2.2mA of quiescent supply current per buffer while
providing up to ±90mA of output current drive capability.
__________Applications Information
Power Supplies
The MAX4200–MAX4205 operate with dual supplies
from ±4V to ±5.5V. Both VCC and VEE should be
bypassed to the ground plane with a 0.1F capacitor
located as close to the device pin as possible.
Layout Techniques
Maxim recommends using microstrip and stripline tech-
niques to obtain full bandwidth. To ensure that the PC
board does not degrade the amplifier’s performance,
design it for a frequency greater than 6GHz. Pay care-
ful attention to inputs and outputs to avoid large para-
sitic capacitance. Whether or not you use a
constant-impedance board, observe the following
guidelines when designing the board:
Do not use wire-wrap boards, because they are too
inductive.
Do not use IC sockets, because they increase para-
sitic capacitance and inductance.
MAX4200–MAX4205
Ultra-High-Speed, Low-Noise, Low-Power,
SOT23 Open-Loop Buffers
8
_______________________________________________________________________________________
______________________________________________________________Pin Description
No Connection. Not Internally Connected
N.C.
1
1, 2, 5, 8
—
Buffer Input
IN
3
—
Buffer 1 Input
IN1
—
1
Buffer 1 Output
OUT1
—
2
Negative Power Supply
VEE
2
4
—
Negative Power Supply for Buffer 1
VEE1
—
3
Negative Power Supply for Buffer 2
VEE2
—
4
Buffer 2 Input
IN2
—
5
Buffer 2 Output
OUT2
—
6
Buffer Output
OUT
5
6
—
Positive Power Supply
VCC
4
7
—
Positive Power Supply for Buffer 2
VCC2
—
7
Positive Power Supply for Buffer 1
VCC1
—
8
NAME
FUNCTION
SOT23-5
SO
SO/MAX
MAX4200/MAX4201/MAX4202
PIN
MAX4203
MAX4204
MAX4205
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