参数资料
型号: ADS1191IPBSR
厂商: Texas Instruments
文件页数: 42/67页
文件大小: 0K
描述: IC AFE 16BIT 8KSPS 1CH 32TQFP
标准包装: 1,000
位数: 16
通道数: 1
电压 - 电源,模拟: 2.7 V ~ 5.25 V
电压 - 电源,数字: 1.7 V ~ 3.6 V
封装/外壳: 32-TQFP
供应商设备封装: 32-TQFP(5x5)
包装: 带卷 (TR)
MUX1[3:0] = 0000
RLD1P = 1
RLD1N = 1
MUX1[3:0] = 0010
PGA1
RLD2P = 0
RLD2N = 0
PGA2
RLD_AMP
RLDOUT
RLDINV
RLDIN/RLDREF
Filter or
Feedthrough
Device
IN1P
IN1N
EMI
Filter
MUX
EMI
Filter
IN2N
IN2P
RLDREF_INT = 1
2
(AVDD + AVSS)
RLDREF_INT = 0
1 M
(1)
1.5 nF
(1)
SBAS566A – DECEMBER 2011 – REVISED SEPTEMBER 2012
Input Multiplexer (Measuring the Right Leg Drive Signal)
Also, the RLDOUT signal can be routed to a channel (that is not used for the calculation of RLD) for
measurement. Figure 43 shows the register settings to route the RLDIN signal to channel 2. The measurement is
done with respect to the voltage on the RLDREF pin. If RLDREF is chosen to be internal, it would be at (AVDD +
AVSS)/2. This feature is useful for debugging purposes during product development.
(1) Typical values for example only.
Figure 43. RLDOUT Signal Configured to be Read Back by Channel 2
Copyright 2011–2012, Texas Instruments Incorporated
47
Product Folder Links: ADS1191 ADS1192
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