MAX4221CSE+T

更新时间： 2024-01-21 18:28:26

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数据手册

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MAX4221CSE+T 数据手册

3 3 0 MHz Bu ffe re d Vid e o S w it c h e s /

Cro s s p o in t Bu ild in g Blo c k s

/MAX421

______________________________________________________________P in De s c rip t io n

NAME

FUNCTION

MAX4111 MAX4121 MAX4221

Analog (signal) ground. Since inputs are isolated by these grounds, GND

should be as noise-free as possible.

1, 3

2, 4, 5, 7

GND

—

2, 4

—

Logic Input. Channel Selection Bit for the 2x1. See Table 2.

Signal Input

—

1, 3

—

IN0, IN1

N.C.

Signal Input

No Connect—not internally connected

Negative Power-Supply Voltage. Connect to -5V. Decouple to power ground.

Signal Output

—

OUT

—

6, 8

IN2, IN3

Signal Inputs for the dual 2x1 switch

Positive Power-Supply Voltage. Connect to +5V. Decouple to power ground.

Logic Input. Output Enable for the 1x1, 2x1 switches. A logic high on this

pin enables the output. A logic low causes the output to assume a high-

impedance state, and reduces supply current.

—

SEL3,

SEL2

Logic Inputs. Channel Selection Bits for OUT1 of the dual 2x1 (MAX4221).

See Table 3.

—

9, 10

11, 13

15, 16

OUT1,

OUT0

Signal Outputs

SEL1,

SEL0

Logic Inputs. Channel Selection Bits for OUT0 of the dual 2x1 (MAX4221). See

Table 3.

The d e s ig n of the s witc hing me c ha nis m limits the

_______________De t a ile d De s c rip t io n

inevitable glitch to less than 13mVp-p. In addition, the

glitch pulse is positive to avoid confusion with negative

sync pulses.

The MAX4111/MAX4121/MAX4221 video switches are

manufactured with Maxim’s proprietary, ultra-high fre-

quency, complementary bipolar process that yields

high bandwidth and low capacitance. Make-before-

break switching is used to reduce noise and glitches,

even when switching from part to part in large arrays.

The input buffers provide a constant high input imped-

ance, and prevent the make-before-break action from

feeding back to the input.

Unity-gain buffers isolate other inputs from the switch-

ing action of large multiplex arrays. These buffers can

drive 5kΩ resistive loads. In addition, these devices

drive capacitive loads without oscillation. Load capaci-

tance is limited only by system bandwidth require-

ments.

The MAX4111/MAX4121/MAX4221 d o not c onta in

buffer latches. The digital inputs are transparent.

_______________________________________________________________________________________

1...4 5 678 9 10...12

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与MAX4221CSE+T相关器件

型号	品牌	获取价格	描述	数据表
MAX4221CSE-T	MAXIM	获取价格	SPDT, 2 Func, 1 Channel, BIPolar, PDSO16, 0.150 INCH, SO-16
MAX4222	MAXIM	获取价格	High-Speed, Single-Supply, Gain of @, Closed-Loop, Rail-to-Rail Buffers with Enable
MAX4222	ADI	获取价格	高速、单电源、增益为+2、闭环、满摆幅缓冲器，带有使能端
MAX4222EEE	MAXIM	获取价格	High-Speed, Single-Supply, Gain of @, Closed-Loop, Rail-to-Rail Buffers with Enable
MAX4222EEE/GH9	MAXIM	获取价格	Buffer Amplifier
MAX4222EEE/GH9-T	MAXIM	获取价格	Buffer Amplifier
MAX4222EEE+	MAXIM	获取价格	Buffer Amplifier, 4 Func, BIPolar, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP-16
MAX4222EEE+T	MAXIM	获取价格	Buffer Amplifier, 4 Func, BIPolar, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP-16
MAX4222EEE-T	MAXIM	获取价格	Buffer Amplifier, 4 Func, BIPolar, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP-16
MAX4222ESD	MAXIM	获取价格	High-Speed, Single-Supply, Gain of @, Closed-Loop, Rail-to-Rail Buffers with Enable

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