参数资料
型号: AMC78L05LPF
厂商: Electronic Theatre Controls, Inc.
英文描述: 100mA / 3-TERMINAL 5V REGULATOR
中文描述: 百毫安/三端5V稳压器
文件页数: 1/28页
文件大小: 468K
代理商: AMC78L05LPF
AMC7820
SBAS231B – MARCH 2002
www.ti.com
DESCRIPTION
The AMC7820 is a complete analog monitoring and control
circuit that includes an 8-channel, 12-bit Analog-to-Digital
Converter (ADC), three 12-bit Digital-to-Analog Converters
(DACs), nine operational amplifiers, a thermistor current source,
an internal +2.5V reference, and an SPI
serial interface.
External reference may be applied. Typical power dissipation
is 40mW. For the ADC, the unbuffered analog input range is
0V to +5.0V, and the buffered analog common-mode input
range is 0V to +3.8V. For the DACs, the analog output range
is 0V to +2.5V or 0V to +5.0V.
The AMC7820 is ideal for multichannel applications where
low power and small size are critical. The AMC7820 is
available in a TQFP-48 package and is fully specified and
tested over the –40
°
C to +85
°
C temperature range.
SPI is a trademark of Motorola.
FEATURES
G
100kHz SAMPLING RATE 12-BIT ADC
G
8 ANALOG INPUT CHANNELS
G
THREE 12-BIT DACS
G
NINE OPERATIONAL AMPLIFIERS
G
THERMISTOR CURRENT SOURCE
G
INTERNAL 2.5V REFERENCE
G
SPI SERIAL INTERFACE
G
3V LOGIC COMPATIBLE
G
SINGLE +5V SUPPLY
G
LOW POWER: 40mW
G
TQFP-48 PACKAGE
Copyright 2001, Texas Instruments Incorporated
ANALOG MONITORING AND CONTROL
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
APPLICATIONS
G
CW LASER AND PUMP LASER CURRENT
CONTROL IN DWDM
G
TEC COOLER CURRENT CONTROL IN DWDM
G
OPTICAL POWER MONITORING
G
TUNABLE LASER
AMC7820
ADC
12-Bit ADC/DAC
Current Source
up to 1mA
5 Precision OPAs
E
2
DAC2
SPI
Interface
and
Control
DAC1
DAC0
AMC7820
Reference
(2.5V)
8-Channel MUX
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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