Datasheet > ADUM1234BRWZ-RL1

ADUM1234BRWZ-RL1

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
亚德诺 - ADI		驱动器
页数	文件大小	规格书
12页	278K
描述
Isolated, Precision Half-Bridge Driver, 0.1 A Output

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ADUM1234BRWZ-RL1 数据手册

ADuM1234

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

DDA

14 GND

13 NC

12 NC

DD1

ADuM1234

GND

TOP VIEW

(Not to Scale)

DISABLE

DDB

GND

DD1

NC = NO CONNECT

Figure 2. Pin Configuration

Table 8. ADuM1234 Pin Function Descriptions

Pin No.

Mnemonic

Description

Logic Input A.

Logic Input B.

V_IA

V_IB

V_DD1

3¹, 8¹

Input Supply Voltage, 4.5 V to 5.5 V.

GND₁

DISABLE

Ground Reference for Input Logic Signals.

Input Disable. Disables the isolator inputs and refresh circuits. Outputs take on default low state.

No Connect.

6, 7, 12², 13²NC

GND_B

V_OB

V_DDB

GND_A

V_OA

Ground Reference for Output B.

Output B.

Output B Supply Voltage, 12 V to 18 V.

Ground Reference for Output A.

Output A.

V_DDA

Output A Supply Voltage, 12 V to 18 V.

¹Pin 3 and Pin 8 are internally connected. Connecting both pins to V_DD1is recommended.

Pin 12 and Pin 13 are floating and should be left unconnected.

Table 9. Truth Table (Positive Logic)

V_IA/V_IBInput

V_DD1State

DISABLE

V_OA/V_OBOutput

Notes

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Output returns to input state within 1 μs of V_DD1power restoration.

Rev. 0 | Page 6 of 12

1...3 4 567 8 9...12

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