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参数资料
| 型号： | TSA1201IF |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | ADC |
| 英文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封装： | 7 X 7 MM, PLASTIC, TQFP-48 |
| 文件页数： | 7/20页 |
| 文件大小： | 349K |
| 代理商： | TSA1201IF |
TSA1201
15/20
Figure 6 : Input dynamic range for the various configurations
The applications requiring single-ended inputs
can be configured like reported on Figure 7 for an
AC-coupled input or on Figure 8 and 9 for a
DC-coupled input.
In the case of AC-coupled analog input, the
analog inputs VIN and VINB are biased to the
same voltage that is the common mode voltage of
the circuit (INCM). The INCM and reference
voltages may remain at their internal level but can
also be fixed externally.
Figure 7 : AC-coupled Single-ended input
In the case of DC-coupled analog input with 1V
DC signal, the DC component of the analog input
set the common mode voltage. As an example
figure 8, INCM is set to the 1V DC analog input
while VREFM is connected to ground and VREFP
let internal; we achieve a 2Vpp differential
amplitude.
Figure 8 : DC-coupled 2Vpp analog input
Figure 9 describes a configuration for a 1Vpp ana-
log signal with a 0.5V DC input. In this case, while
VREFP is kept internal at 1V, VREFM is connect-
ed to VINB and INCM, externally to 0.5V; the dy-
namic is then 1Vpp (VREFP-VREFM=0.5V).
INCM
+FS: code 1023
VIN
VINB
0: code 511
-FS: code 0
Differential configuration
Single-ended configuration:
balanced inputs
Single-ended configuration:
unbalanced inputs
INCM
+FS: code 1023
-FS: code 0
0: code 511
INCM
VIN
+FS + offset: code > 1023
-FS + offset: code > 0
VIN
VINB
INCM
VIN
VINB
INCM
VIN
VINB
INCM
VIN
Wrong configuration!
Ao + ac
Ao
Ao + ac
Ao
Ao + ac
VIN - VINB
50
10nF
Signal source
TSA1201
VIN
VINB
INCM
33pF
100k
100k
common
mode
TSA1201
VIN
VINB
INCM
330pF
4.7uF
10nF
Analog
DC
AC+DC
VREFP
VREFM
VREFP-VREFM = 1 V
相关PDF资料 |
PDF描述 |
|---|---|
| TSA1201IFT | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| TSA1203IFT | 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, QFP48 |
| TSA1203IF | 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, QFP48 |
| TSA1203IFT-E | 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, QFP48 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TSA1201IFT | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:12-BIT, 50MSPS, 150mW A/D CONVERTER |
| TSA1203 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:DUAL-CHANNEL, 12-BIT, 40MSPS, 230mW A/D CONVERTER |
| TSA1203_06 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Dual-channel 12-bit 40Msps 215mW A/D converter |
| TSA1203IF | 功能描述:模数转换器 - ADC Dual Channel 12-Bit 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 |
| TSA1203IFT | 功能描述:模数转换器 - ADC Dual Channel 12-Bit 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 |
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