参数资料
型号: ISO7221AQDRQ1
厂商: Texas Instruments
文件页数: 10/24页
文件大小: 0K
描述: IC DGTL ISOLATOR 1MBPS DL 8SOIC
标准包装: 1
输入 - 1 侧/2 侧: 1/1
通道数: 2
电源电压: 3 V ~ 5.5 V
电压 - 隔离: 2500Vrms
数据速率: 1Mbps
传输延迟: 410ns
输出类型: CMOS
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 标准包装
工作温度: -40°C ~ 125°C
其它名称: 296-27336-6
ISO7220A-Q1
ISO7221A-Q1
ISO7221C-Q1
SLLS965C – JULY 2009 – REVISED MAY 2012
DEVICE I/O SCHEMATICS
Input
Output
www.ti.com
V CC1
V CC1
V CC1
V CC2
750 k W
IN
500 W
8 W
OUT
13 W
IEC SAFETY LIMITING VALUES
Safety limiting intends to prevent potential damage to the isolation barrier upon failure of input or output circuitry.
A failure of the IO can allow low resistance to ground or the supply and, without current limiting, dissipate
sufficient power to overheat the die and damage the isolation barrier potentially leading to secondary system
failures.
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
I S
T S
Safety input, output, or
supply current
Maximum case temperature
SOIC-8
SOIC-8
θ JA = 212°C/W, V I = 5.5 V, T J = 170°C, T A = 25°C
θ JA = 212°C/W, V I = 3.6 V, T J = 170°C, T A = 25°C
124
190
150
mA
°C
The safety-limiting constraint is the absolute maximum junction temperature specified in the absolute maximum
ratings table. The power dissipation and junction-to-air thermal impedance of the device installed in the
application hardware determines the junction temperature. The assumed junction-to-air thermal resistance in the
Thermal Characteristics table is that of a device installed in the JESD51-3, Low Effective Thermal Conductivity
Test Board for Leaded Surface Mount Packages and is conservative. The power is the recommended maximum
input voltage times the current. The junction temperature is then the ambient temperature plus the power times
the junction-to-air thermal resistance.
10
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Copyright ? 2009–2012, Texas Instruments Incorporated
Product Folder Link(s): ISO7220A-Q1 ISO7221A-Q1 ISO7221C-Q1
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