DG408

Single 8-Channel/Differential 4-Channel, CMOS Analog Multiplexers

Product Status: Mass Production

OVERVIEW

The DG408 Single 8-Channel, and DG409 Differential 4-Channel monolithic CMOS analog multiplexers are drop-in replacements for the popular DG508A and DG509A series devices. They each include an array of eight analog switches, a TTL/CMOS compatible digital decode circuit for channel selection, a voltage reference for logic thresholds and an ENABLE input for device selection when several multiplexers are present.

The DG408 and DG409 feature lower signal ON resistance (<100Ω) and faster switch transition time (tTRANS <250ns) compared to the DG508A or DG509A. Charge injection has been reduced, simplifying sample and hold applications. The improvements in the DG408 series are made possible by using a high-voltage silicon-gate process. An epitaxial layer prevents the latch-up associated with older CMOS technologies. Power supplies may be single-ended from +5V to +34V, or split from ±5V to ±20V.

The analog switches are bilateral, equally matched for AC or bidirectional signals. The ON resistance variation with analog signals is quite low over a ±5V analog input range.

KEY FEATURES

  • ON Resistance (Max, 25°C) 100Ω
  • Low Power Consumption (PD) <11mW
  • Fast Switching Action
  • tTRANS <250ns
  • tON/OFF(EN) <150ns
  • Low Charge Injection
  • Upgrade from DG508A/DG509A
  • TTL, CMOS Compatible
  • Single or Split Supply Operation
  • Pb-Free Plus Anneal Available (RoHS Compliant)

BLOCK DIAGRAM

 Block Diagram

PARAMETRICS

Parameters
DG408
Basic Information
生产状态
Mass Production
器件/通道数量
8
开关或MUX
MUX
配置
1 x 8:1
开关类型
N/A
RDS (ON)
40 Ω
泄漏
1 nA
源电容 (pf)
3
IS
200 µA
VCC (单) (最小值) (V)
5
VCC (单) (最大值) (V)
34
资质级别
Standard
TON (ns)
115
TOFF (ns)
105
电荷注入 (pC)
20
漏电容
37 pF
双电源电压 (最小值)
±5 V
双电源电压 (最大值)
±20 V
供电电压Vcc范围 (V)
+5 to +34, ±5 to ±20
CAN 采样
YES
温度范围
-55 to +125

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