MAX308, MAX309 정밀, 8채널 / 듀얼 4채널, 고성능, CMOS 아날로그 멀티플렉서

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The MAX308/MAX309 precision, monolithic, CMOS analog multiplexers (muxes) offer low on-resistance (less than 100Ω), which is matched to within 5Ω between channels and remains flat over the specified analog signal range (7Ω max). They also offer low leakage over temperature (NO-off leakage current less than 5nA at +85°C) and fast switching speeds (transition time less than 250ns). The MAX308 is a single-ended 1-of-8 device, and the MAX309 is a differential 2-of-4 device.

The MAX308/MAX309 are fabricated with Maxim's improved 44V silicon-gate process. Design improvements yield extremely low charge injection (less than 10pC) and guarantee electrostatic discharge protection greater than 2000V.

These muxes operate with a single +5V to +30V supply or bipolar ±5V to ±20V supplies, while retaining TTL/CMOS-logic input compatibility and fast switching. CMOS inputs provide reduced input loading. These improved parts are plug-in upgrades for the industry-standard DG408, DG409, DG508A, and DG509A.

주요기능

애플리케이션/용도

Guaranteed On-Resistance Match Between Channels, <5Ω Max
Low On-Resistance, <100Ω Max
Guaranteed Flat On-Resistance over Specified Signal Range, 7Ω Max
Guarateed Low Charge Injection, <10pC
NO-Off Leakage Current <5nA at +85°C
COM-Off Leakage Current <20nA at +85°C
ESD Protection >2000V
Plug-In Upgrade for Industry-Standard DG408/DG409/DG508A/DG509A
Single-Supply Operation (+5V to +30V) Bipolar-Supply Operation (±5V to ±20V)
Low Power Consumption, <300µW
Rail-to-Rail Signal Handling
TTL/CMOS-Logic Compatible

	오디오 신호 라우팅
	자동 시험 장비 (ATE)
	배터리 전원 애플리케이션
	통신 시스템
	안내 및 제어 시스템
	헤드 업 디스플레이
	군용 무선
	PBX, PABX
	샘플/홀드 회로

Key Specifications: Switches and Multiplexers (Mid Voltage)

Part Number

Configuration

Number of Channels

V_SUPPLY, Single (min) (V)

V_SUPPLY, Single (max) (V)

V_SUPPLY, Dual (min) (±V)

V_SUPPLY, Dual (max) (±V)

R_ON (max) (Ω)

I_{L (OFF)} (max) (nA)

t_ON (max) (nS)

t_OFF (max) (nS)

Q_INJECTION (pC)

C_ON (pF)

C_OFF (pF)

Features

V_ISO, Off-Isolation (dB)

V_CT, Crosstalk (dB)

ΔR_ON (max) (Ω)

R_FLAT(ON) (max) (Ω)

RoHS Available

Package

Smallest Available Package (max w/pins) (mm²)

Price^**

MAX308

8:1 Mux

4.5

100

0.75

150

•	Chip Enable

Yes

Ceramic DIP/16
DICE SALES/0
PDIP/16
SOIC/16
TSSOP/16

$1.83 @ 1k

MAX309

4:1 Mux

$1.83 @ 1k

See All Switches and Multiplexers (Mid Voltage) (284)

Notes:
^**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.