參數(shù)資料
型號: MAX4189ESD+T
廠商: Maxim Integrated Products
文件頁數(shù): 7/23頁
文件大小: 0K
描述: IC AMP CURRENT SENSE 14-SOIC
標(biāo)準(zhǔn)包裝: 2,500
應(yīng)用: 電流反饋
電路數(shù): 3
-3db帶寬: 250MHz
轉(zhuǎn)換速率: 175 V/µs
電流 - 電源: 1.5mA
電流 - 輸出 / 通道: 55mA
電壓 - 電源,單路/雙路(±): 4.5 V ~ 11 V,±2.25 V ~ 5.5 V
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)
MAX4188/MAX4189/MAX4190
Single/Triple, Low-Glitch, 250MHz, Current-
Feedback Amplifiers with High-Speed Disable
______________________________________________________________________________________
15
Pin Descriptions
8
6
3
2
Disable Control Input. Amplifier is enabled when DISABLE ≥ (VCC - 2V)
and disabled when DISABLE ≤ (VCC - 3V).
Amplifier Output
4
Amplifier Noninverting Input
MAX4190
DISABLE
OUT
IN+
IN-
OUT2
Amplifier Inverting Input
1, 5
Amplifier 2 Output
IN2-
14
IN2+
VEE
Amplifier 2 Inverting Input
IN3+
13
Amplifier 2 Noninverting Input
12
IN3-
OUT3
Negative Power Supply. Connect VEE to -5V or to ground for single-supply
operation.
N.C.
OUT1
IN1-
7
11
Amplifier 3 Noninverting Input
IN1+
10
VCC
Amplifier 3 Inverting Input
DISABLE3
9
Amplifier 3 Output
PIN
NAME
DISABLE2
8
DISABLE1
No Connection. Not internally connected.
16
Amplifier 1 Output
15
7
14
13
Amplifier 1 Inverting Input
12
6
Amplifier 1 Noninverting Input
11
5
MAX4188/MAX4189
10
8, 9
7
Positive Power Supply. Connect VCC to +5V.
6
4
Disable Control Input for Amplifier 3. Amplifier 3 is enabled when
DISABLE3 ≥ (VCC - 2V) and disabled when DISABLE3 ≤ (VCC - 3V).
5
3
4
3
Disable Control Input for Amplifier 2. Amplifier 2 is enabled when
DISABLE2 ≥ (VCC - 2V) and disabled when DISABLE2 ≤ (VCC - 3V).
2
Disable Control Input for Amplifier 1. Amplifier 1 is enabled when
DISABLE1 ≥ (VCC - 2V) and disabled when DISABLE1 ≤ (VCC - 3V).
2
1
FUNCTION
1
SO/MAX
SO
QSOP
Detailed Description
The MAX4188/MAX4189/MAX4190 are very low-power,
current-feedback amplifiers featuring bandwidths up to
250MHz, 0.1dB gain flatness to 80MHz, and low differ-
ential gain (0.03%) and phase (0.05°) errors. These
amplifiers achieve very high bandwidth-to-power ratios
while maintaining low distortion, wide signal swing, and
excellent load-driving capabilities. They are optimized
for ±5V supplies but are also fully specified for single
+5V operation. Consuming only 1.5mA per amplifier,
these devices have ±55mA output current drive capabil-
ity and achieve low distortion even while driving 150
loads.
Wide bandwidth, low power, low differential phase/gain
error, and excellent gain flatness make the MAX4188
family ideal for use in portable video equipment such
as video cameras, video switchers, and other battery-
powered equipment. Their two-stage design provides
higher gain and lower distortion than conventional sin-
gle-stage, current-feedback amplifiers. This feature,
combined with a fast settling time, makes these devices
suitable for buffering high-speed analog-to-digital con-
verters.
The MAX4188/MAX4189/MAX4190 have a high-speed,
low-power disable mode that is activated by driving the
amplifiers’ DISABLE input low. In the disable mode, the
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