Datasheet Analog Devices AD7741YRZ — 数据表

a Single and Multichannel, Synchronous
Voltage-to-Frequency Converters
AD7741 FEATURES
AD7741: One Single-Ended Input Channel
AD7742: Two Differential or Three Pseudo-Differential
Input Channels
Integral Nonlinearity of 0.012% at fOUT(Max) = 2.75 MHz
(AD7742) and at fOUT(Max) = 1.35 MHz (AD7741)
Single +5 V Supply Operation
Buffered Inputs
Programmable Gain Analog Front-End
On-Chip +2.5 V Reference
Internal/External Reference Option
Power Down to 35 ␮A Max
Minimal External Components Required
8-Lead and 16-Lead DIP and SOIC Packages FUNCTIONAL BLOCK DIAGRAMS
VDD PD REFIN/OUT +2.5V
REFERENCE VOLTAGE-TOFREQUENCY
MODULATOR X1 VIN fOUT AD7741 CLOCK
GENERATION CLKIN APPLICATIONS
Low Cost Analog-to-Digital Conversion
Signal Isolation
AD7742 is obsolete CLKOUT VDD GND PD UNI/BIP GAIN AD7742 VIN1 …

a Single and Multichannel, Synchronous
Voltage-to-Frequency Converters
AD7741/AD7742 FEATURES
AD7741: One Single-Ended Input Channel
AD7742: Two Differential or Three Pseudo-Differential
Input Channels
Integral Nonlinearity of 0.012% at fOUT(Max) = 2.75 MHz
(AD7742) and at fOUT(Max) = 1.35 MHz (AD7741)
Single +5 V Supply Operation
Buffered Inputs
Programmable Gain Analog Front-End
On-Chip +2.5 V Reference
Internal/External Reference Option
Power Down to 35 ␮A Max
Minimal External Components Required
8-Lead and 16-Lead DIP and SOIC Packages FUNCTIONAL BLOCK DIAGRAMS
VDD PD REFIN/OUT +2.5V
REFERENCE VOLTAGE-TOFREQUENCY
MODULATOR X1 VIN fOUT AD7741 CLOCK
GENERATION CLKIN APPLICATIONS
Low Cost Analog-to-Digital Conversion
Signal Isolation CLKOUT VDD GND PD UNI/BIP GAIN AD7742 VIN1
VIN2 …