MAX4395 Maxim, MAX4395 Datasheet - Page 11

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MAX4395

Manufacturer Part Number
MAX4395
Description
The MAX4389/MAX4390/MAX4392–MAX4396 family of op amps are unity-gain stable devices that combine high-speed performance, rail-to-rail outputs, and disable mode
Manufacturer
Maxim
Datasheet

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The MAX4389/MAX4390/MAX4392–MAX4396 are dual-
supply, rail-to-rail, voltage-feedback amplifiers that
employ current-feedback techniques to achieve
500V/µs slew rates and 85MHz bandwidths. Excellent
harmonic distortion and differential gain/phase perfor-
mance make these amplifiers an ideal choice for a wide
variety of video and RF signal-processing applications.
The output voltage swings to within 200mV of each
supply rail. Local feedback around the output stage
ensures low open-loop output impedance to reduce
SC 7 0 / SO T 2 3
MAX4389
Ultra-Small, Low-Cost, 85MHz Op Amps with
SC 7 0
Applications Information
MAX4390
______________________________________________________________________________________
SO T 2 3
Detailed Description
µ M A X/ SO
M A X4 3 9 2
Rail-to-Rail Outputs and Disable
PIN
M A X4 3 9 3
µ M A X
6
SO / T SSO P
MAX4394
12
13
14
3
2
gain sensitivity to load variations. The input stage per-
mits common-mode voltages to the negative supply
and to within 2.25V of the positive supply rail.
The MAX4389/MAX4390/MAX4392–MAX4396 are inter-
nally compensated for unity gain. When configured for
unity gain, a 24Ω resistor (R
back path optimizes AC performance. This resistor
improves AC response by reducing the Q of the paral-
lel LC circuit formed by the parasitic feedback capaci-
tance and inductance.
SO / T SSO P
MAX4395
10
12
13
14
9
8
Pin Description (continued)
MAX4396
T SSO P
15
14
13
12
17
18
19
20
9
Choosing Resistor Values
DISABLEB
D ISABLE C
D ISABLE D
Unity-Gain Configuration
F
) in series with the feed-
NAME
OUTC
OUTD
INC+
IND+
INC-
IND-
S hutd ow n
Am p l i fi er B.
C onnect to
V
Amplifier C
Noninverting
Input
Amplifier C
Inverting Input
Amplifier C
Output
Shutdown
Amplifier C.
Connect to
V
Amplifier D
Noninverting
Input
Amplifier D
Inverting Input
Amplifier D
Output
Shutdown
Amplifier D.
Connect to
V
CC
CC
CC
FUNCTION
to E nab l e.
to Enable.
to Enable.
11

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