Datasheet > MAX2681

MAX2681

更新时间： 2023-12-20 18:44:15

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亚德诺 - ADI		/
页数	文件大小	规格书
12页	2151K
描述
400MHz至2.5GHz、低噪声、SiGe下变频混频器

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数据手册

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MAX2681 数据手册

MAX2680/MAX2681/

MAX2682

400MHz to 2.5GHz, Low-Noise,

SiGe Downconverter Mixers

Typical Operating Characteristics (continued)

(Typical Operating Circuit, V

= SHDN = +3.0V, P

= -25dBm, P = -5dBm, T = +25°C, unless otherwise noted.)

RFIN LO A

MAX2680

MAX2681

MAX2682

TURN-OFF/ON CHARACTERISTICS

SHDN

2V/div

SHDN

2V/div

SHDN

2V/div

IFOUT

50mV/

div

IFOUT

50mV/

div

IFOUT

50mV/

div

Z1 = 39pF

500ns/div

Z1 = 39pF

500ns/div

Z2 = 39pF

500ns/div

Pin Conﬁguration

TOP VIEW

SHDN

MAX2680

MAX2681

MAX2682

GND

RFIN

IFOUT

SOT23-6

Pin Description

NAME

FUNCTION

Local-Oscillator Input. Apply a local-oscillator signal with an amplitude of -10dBm to 0 (50Ω source).

AC-couple this pin to the oscillator with a DC-blocking capacitor. Nominal DC voltage is V

- 0.4V.

GND

RFIN

Mixer Ground. Connect to the ground plane with a low-inductance connection.

Radio Frequency Input. AC-couple to this pin with a DC-blocking capacitor. Nominal DC voltage is 1.5V.

See the Applications Information section for details on impedance matching.

Intermediate Frequency Output. Open-collector output requires an inductor to V . AC-couple to this pin

with a DC-blocking capacitor. See the Applications Information section for details on impedance matching.

IFOUT

Supply Voltage Input, +2.7V to +5.5V. Bypass with a capacitor to the ground plane. Capacitor value depends

upon desired operating frequency.

Active-Low Shutdown. Drive low to disable all device functions and reduce the supply current to less than

SHDN

5μA. For normal operation, drive high or connect to V

Maxim Integrated

│ 8

www.maximintegrated.com

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