参数资料
型号: MAX1368ECM+T
厂商: Maxim Integrated
文件页数: 33/36页
文件大小: 0K
描述: IC PANEL METER 3.5 DIG 48LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
显示器类型: LED
配置: 7 段显示
接口: 串行
数字或字符: A/D,3.5 位数字
电源电压: 2.7 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 带卷 (TR)
Microcontroller-Interface, 4.5-/3.5-Digit Panel
Meters with 4–20mA Output
Power-Supply Rejection (PSR)—ADC
PSR is a measure of the data converter’s level of immu-
nity to power-supply fluctuations. PSR assumes that the
converter’s linearity is unaffected by changes in the
power-supply voltage. Power-supply rejection ratio
(PSRR) is the ratio of the input signal change to the
change in the converter output. PSRR is typically mea-
Power-Supply Rejection—V/I Converter
PSR is a measure of the data converter’s level of immu-
nity to power-supply fluctuations. PSR assumes that the
converter’s linearity is unaffected by changes in the
power-supply voltage. Note that the V/I converter cur-
rent output (4–20mA) power-supply rejection is with
respect to the 7V to 30V loop supply.
sured in dB.
MAX1366 Typical Operating Circuit
DAC_VDD
SUPPLY VOLTAGE
IN
MAX6126
0.1 μ F
OUTF
OUTS
GNDS
GND
0.1 μ F
V EXT
7V TO 30V
V IN
AIN+
AIN-
SEGA–SEGDP
SEGMENT
CONNECTIONS
DIG0–DIG4
DIGIT
CONNECTIONS
GND_DAC
REF_DAC
0.1 μ F
DACVOUT
DEPLETION-
MODE
FET
4.75V TO
5.25V
CMP
REG_FORCE
REG_VDD
REG_AMP
CONV_IN
EN_BPM
EN_I
DACDATA_SEL
4–20mA/0 TO 16mA
CURRENT-LOOP OUTPUT
4–20mA
PLC INPUT
4-20OUT
MAX1366
REFSELE
DV DD
R L
ADC
LOWBATT
CLK
SCLK
CS
LEDV
DIN
μ C
0.1 μ F
10 μ F
0.1 μ F
LED_EN
DV DD
DAC_VDD
DOUT
EOC
L ISO
0.1 μ F
AV DD
SET
NEGV
GND REF-
REF+
LEDG
GND_V/I
CS_DAC
2.7V TO
5.25V
10 μ F
25k ?
0.1 μ F
10 μ F
______________________________________________________________________________________
33
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MAX136CMH+D 功能描述:模数转换器 - ADC Low-Pwr 3 1/2 Digit ADC 2.5sps RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32