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參數資料
| 型號： | AD7741YR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬專用變換器 |
| 英文描述： | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| 中文描述： | VOLTAGE-FREQUENCY CONVERTER, 6.144 MHz, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 5/12頁 |
| 文件大小： | 131K |
| 代理商： | AD7741YR |
REV. 0
AD7741/AD7742
–5–
AD7741 PIN FUNCTION DESCRIPTION
Pin No.
Mnemonic
Function
1
V
DD
Power Supply Input. These parts can be operated from +4.75 V to +5.25 V and the supply should
be adequately decoupled to GND.
Ground reference point for all circuitry on the part.
External Clock Output. When the master clock for the device is a crystal, the crystal is connected
between CLKIN and CLKOUT. When an external clock is applied to CLKIN, the CLKOUT pin
provides an inverted clock signal. This clock should be buffered if it is to be used as a clock source
elsewhere in the system.
External Clock Input. The master clock for the device can be provided in the form of a crystal or an
external clock. A crystal may be tied across the CLKIN and CLKOUT pins. Alternatively, the
CLKIN pin may be driven by a CMOS-compatible clock and CLKOUT left unconnected. The
frequency of the master clock may be as high as 6 MHz.
This is the reference input to the core of the VFC and defines the span of the VFC. If this pin is left
unconnected, the internal 2.5 V reference is used. Alternatively, a precision external reference (e.g.,
REF192) may be used to overdrive the internal reference. The internal bandgap reference has a
high output impedance in order to allow it to be overdriven.
The analog input to the VFC. It has an input range from 0 V to V
REF
. This input is buffered so it
draws virtually no current from whatever source is driving it.
Active Low Power-Down pin. When this input is low, the part enters power-down mode where it
typically consumes 15
μ
A of current.
Frequency Output. This pin provides the output of the synchronous VFC.
2
3
GND
CLKOUT
4
CLKIN
5
REFIN/OUT
6
V
IN
7
PD
8
f
OUT
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
8
7
6
5
1
2
3
4
V
DD
f
OUT
AD7741
GND
PD
CLKOUT
V
IN
CLKIN
REFIN/OUT
相關PDF資料 |
PDF描述 |
|---|---|
| AD7742YR | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| AD7741BN | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| AD7741BR | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| AD7742BN | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| AD7742BR | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7741YR-REEL | 功能描述:IC CONVERTER V TO FREQ 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - V/F 和 F/V 轉換器 系列:- 標準包裝:1 系列:- 類型:頻率至電壓 頻率 - 最大:10kHz 全量程:- 線性:±0.3% 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:Digi-Reel® 其它名稱:LM2917MX-8/NOPBDKR |
| AD7741YR-REEL7 | 功能描述:IC CONVERTER V TO FREQ 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - V/F 和 F/V 轉換器 系列:- 標準包裝:1 系列:- 類型:頻率至電壓 頻率 - 最大:10kHz 全量程:- 線性:±0.3% 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:Digi-Reel® 其它名稱:LM2917MX-8/NOPBDKR |
| AD7741YRZ | 功能描述:IC CONVERTER VOLT TO FREQ 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - V/F 和 F/V 轉換器 系列:- 標準包裝:1 系列:- 類型:頻率至電壓 頻率 - 最大:10kHz 全量程:- 線性:±0.3% 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:Digi-Reel® 其它名稱:LM2917MX-8/NOPBDKR |
| AD7742 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| AD7742BN | 制造商:Analog Devices 功能描述:VFC Sync 2.75MHz 16-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:SINGLE + MULTI-CHANNEL VFC I.C. - Bulk |
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