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參數(shù)資料
| 型號(hào)： | TC7109CPL |
| 廠商： | TelCom Semiconductor, Inc. |
| 英文描述： | 12-BIT UP-COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS |
| 中文描述： | 12位向上兼容的模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 5/21頁(yè) |
| 文件大?。?/td> | 274K |
| 代理商： | TC7109CPL |
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TELCOM SEMICONDUCTOR, INC.
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TC7109/A PIN DESCRIPTION
40-Pin PDIP
Pin Number
Symbol
Description
1
2
GND
STATUS
Digital ground, 0V, ground return for all digital logic.
Output HIGH during integrate and deintegrate until data is latched. Output LOW
when analog section is in auto-zero or zero-integrator configuration.
Polarity — High for positive input.
Overrange — High if overranged.
Bit 12 (Most Significant Bit)
Bit 11
Bit 10
Bit 9
Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1 (Least Significant Bit)
Input High — Normal operation. Input LOW — Forces all bit outputs HIGH.
Note:
This input is used for test purposes only.
Low-Byte Enable — With MODE (Pin 21) LOW, and CE/LOAD (Pin 20) LOW,
taking this pin LOW activates low-order byte outputs, B1–B8. With MODE (Pin 21)
HIGH, this pin serves as low-byte flag output used in handshake mode. See
Figures 7, 8, and 9.
High-Byte Enable — With MODE (Pin 21) LOW, and CE/LOAD (Pin 20) LOW,
taking this pin LOW activates high-order byte outputs, B9–B12, POL, OR. With
MODE (Pin 21) HIGH, this pin serves as high-byte flag output used in handshake
mode. See Figures 7, 8, and 9.
Chip Enable/Load — With MODE (Pin 21) LOW, CE/LOAD serves as a master
output enable. When HIGH, B1–B12, POL, OR outputs are disabled. When
MODE (Pin 21) is HIGH, a load strobe is used in handshake mode. See Figure 7,
8, and 9.
Input LOW — Direct output mode where CE/LOAD (Pin 20), HBEN (Pin 19), and
LBEN (Pin 18) act as inputs directly controlling byte outputs.
Input Pulsed HIGH — Causes immediate entry into handshake mode and output
of data as in Figure 9.
Input HIGH — Enables CE/LOAD (Pin 20), HBEN (Pin 19), and LBEN (Pin 18)
as outputs, handshake mode will be entered and data output as in Figures 7 and
8 at conversions completion.
Oscillator Input
Oscillator Output
Oscillator Select — Input HIGH configures OSC IN, OSC OUT, BUF OSC OUT as
RC oscillator — clock will be same phase and duty cycle as BUF OSC OUT. Input
LOW configures OSC IN, OSC OUT for crystal oscillator — clock frequency will
be 1/58 of frequency at BUF OSC OUT.
Buffered Oscillator Output
Input HIGH — Conversions continuously performed every 8192 clock pulses.
Input LOW — Conversion in progress completed; converter will stop in auto-zero
seven counts before integrate.
3
4
5
6
7
8
9
POL
OR
B
12
B
11
B
10
B
9
B
8
B
7
B
6
B
5
B
4
B
3
B
2
B
1
TEST
10
11
12
13
14
15
16
17
18
19
20
21
MODE
22
23
24
OSC IN
OSC OUT
OSC SEL
25
26
BUF OSC OUT
HBEN
CE/LOAD
RUN/HOLD
All Three-State Data Bits
TC7109
TC7109A
12-BIT
μ
P-COMPATIBLE
ANALOG-TO-DIGITAL CONVERTERS
LBEN
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC7109CPL | 制造商:Microchip Technology Inc 功能描述:IC 12BIT ADC 7109 DIP40 |
| TC7109CPL | 制造商:Microchip Technology Inc 功能描述:Special Function IC Package/Case:40-PDIP |
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| TC7110A | 制造商:Thomas & Betts 功能描述:Fittings Connector 4inch Steel |
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