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参数资料
| 型号： | NTE2028 |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | SEVEN SEGMENT DECODER/DRIVER, INVERTED OUTPUT, PDIP16 |
| 封装： | DIP-16 |
| 文件页数： | 1/4页 |
| 文件大小： | 31K |
| 代理商： | NTE2028 |
NTE2028
Integrated Circuit
7–Segment High Voltage Decoder/Driver
Description:
The NTE2028 is an integrated circuit in a 16–Lead DIP type package custom designed to decode
four lines of BCD and drive a gas–filled seven–segment display tube.
Each output constitutes a switchable, adjustable current sink which provides constant current to the
tube segment, even with high tube anode supply tolerance or fluctuation. These current sinks have
a voltage compliance from 3V to at least 80V; typically the output current varies 1% for output voltage
changes of 3 to 50V. Each bit line of the decoder switches a current sink on or off as prescribed by
the input code. Each current sink is ratioed to the b–output current as required for even illumination
of all segments.
Output currents may be varied over the 0.2 to 1.5 mA range for driving various tube types or multiplex
operation. The output current is adjusted by connecting an external program resistor (Rp) from VCC
to the Program input in accordance with the programming curve. The circuit design provides a one–
to–one correlation between program input current and b–segment output current.
The Blanking Input provides unconditional blanking of any output display, while the Ripple Blanking
pins allow simple leading or trailing zero blanking.
Features:
D Current Sink Outputs
D Adjustable Output Current: 0.2 to 1.5mA
D High Output Breakdown Voltage: 110V Typ
D Suitable for Multiplex Operation
D Blanking and Ripple Blanking Provisions
D Low Fan–In and Low Power
Absolute Maximum Raings: (Note 1)
Supply Voltage, VCC
7V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Voltage (Except BI)
6V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Voltage (BI)
VCC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Segment Output Voltage
80V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, PD
600mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transient Segment Output Current (Note 2)
50mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg
–65
° to +150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead Temperature (During Soldering, 10sec), TL
+300
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot
be guaranteed. Except for “Operating Temperature Range” they are not meant to imply that
the device should be operated at these limits. The table of “Electrical Chracteristics” pro-
vides conditions for actual device operation.
Note 2. In all applications transient segment output current must be limited to 50mA. This may be
accomplished in DC applications by connecting a 2.2k resistor from the anode–supply filter
capacitor to the display anode, or by current limiting the anode driver in multiplex applica-
tions.
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相关代理商/技术参数 |
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| NTE2030 | 制造商:NTE Electronics 功能描述:IC, DISPLAY DRVR; No. of Digits / Alpha:-; No. of Segments:8; Driver Case Style:DIP; No. of Pins:18; Interface Type:-; Operating Temperature Min:0C; Operating Temperature Max:70C; Meter Display Type:-; Module Configuration:- 制造商:NTE Electronics 功能描述:18-Pin PDIP |
| NTE2031 | 制造商:NTE 制造商全称:NTE Electronics 功能描述:Integrated Circuit Seven-Segment Gas-Discharge Display Driver |
| NTE2032 | 制造商:NTE 制造商全称:NTE Electronics 功能描述:Integrated Circuit BCD-to-Seven-Segment Decoder Driver |
| NTE2033 | 制造商:NTE Electronics 功能描述:Trans Darlington NPN/PNP 50V 1.5A 16-Pin PDIP |
| NTE2047 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:MISCELLAMEOUS INTEGRATED CIRCUITS |
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