参数资料
型号: MAX1409CAP+T
厂商: Maxim Integrated Products
文件页数: 38/48页
文件大小: 0K
描述: IC DAS 16BIT LP 20-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
类型: 数据采集系统(DAS)
分辨率(位): 16 b
采样率(每秒): 60
数据接口: 串行
电压电源: 模拟和数字
电源电压: 2.7 V ~ 3.6 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 带卷 (TR)
MAX1407/MAX1408/MAX1409/MAX1414
Low-Power, 16-Bit Multichannel DAS with
Internal Reference,10-Bit DACs, and RTC
______________________________________________________________________________________
43
counter electrode is configured as a transimpedance
amplifier to measure the current. Figure 25 shows a three
electrode potentiostat application that is driven at all the
electrodes and measured at the working electrode. With
this application, the DAC connected to the working elec-
trode sets the bias voltage relative to the reference elec-
trode and also measures the current that the sensor pro-
duces. The DAC connected to the reference and counter
electrodes takes advantage of the force/sense outputs to
Figure 23. Self-Biased Two Electrode Potentiostat Application
MAX1407
MAX1409
MAX1414
IN0
AUX.
VOLTAGE
INPUTS
REF
IN1
IN2
IN3
ALL I/O AVAILABLE AS INPUTS TO ADC AND COMPARATOR.
MAX1409 HAS IN0, OUT1, FB1, AND REF ONLY.
BAND
GAP
FB1
REF
OUT1
IF
RF
SENSOR
WE
CE
4.7
F
BUF
10-BIT DAC
Figure 24. Driven Two Electrode Potentiostat Application
MAX1407
MAX1414
IN0
AUX.
VOLTAGE
INPUTS
REF
IN1
IN2
IN3
ALL I/O AVAILABLE AS INPUTS TO ADC AND COMPARATOR.
BAND
GAP
FB1
FB2
REF
OUT1
OUT2
IF
RF
SENSOR
WE
CE
4.7
F
BUF
10-BIT DAC
Figure 25. Driven Three Electrode Potentiostat Application
MAX1407
MAX1414
IN0
AUX.
VOLTAGE
INPUTS
REF
IN1
IN2
IN3
ALL I/O AVAILABLE AS INPUTS TO ADC AND COMPARATOR.
BAND
GAP
FB1
FB2
REF
OUT1
OUT2
IF
RF
SENSOR
WE
CE
RE
4.7
F
BUF
10-BIT DAC
Figure 26. Optical Reflectometry Application
MAX1407
MAX1414
IN0
AUX.
VOLTAGE
INPUTS
REF
IN1
IN2
IN3
ALL I/O AVAILABLE AS INPUTS TO ADC AND COMPARATOR.
BAND
GAP
FB1
FB2
REF
OUT1
LED
QB
PHOTO-
DIODE
VBAT
OUT2
RB
4.7
F
BUF
10-BIT DAC
IF
RF
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