参数资料
型号: TLV2542IDR
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封装: GREEN, PLASTIC, MS-012AA, SOIC-8
文件页数: 28/31页
文件大小: 778K
代理商: TLV2542IDR
TLV2541, TLV2542, TLV2545
2.7-V TO 5.5-V, LOW-POWER, 12-BIT, 140/200 KSPS,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN
SLAS245E MARCH 2000 REVISED APRIL 2010
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
timing diagrams/conversion cycles (continued)
SCLK
1
2
3
4
5
6
12
13
14
15
16
1
CS
FS
OD9
OD8
OD11
OD10
OD7
OD6
OD0
SDO
t(sample)
tc
t(powerdown)
Figure 3. TLV2541 Timing: Control via CS and FS or FS Only
SCLK
2
3
4
5
1
12
16
CS
SDO
t(powerdown)
tc
1
4
16
12
4
1
t(sample)
>8 SCLKs, MUX Toggles to AIN1
AIN0 Result
tc
<8 SCLKs, MUX
Resets to AIN0
t(sample)
OD11
OD0
Figure 4. TLV2542 Reset Timing
OD8
SCLK
1
2
3
4
5
6
12
13
14
15
16
CS
OD7
OD6
OD5
OD0
SDO
t(sample)
tc
t(powerdown)
7
OD9
1
OD10
OD9
OD11
OD10
OD11
Figure 5. TLV2542 and TLV2545 Timing
using CS as the FS input
When interfacing the TLV2541 with the TMS320 DSP, the FSR signal from the DSP may be connected to the
CS input if this is the only device on the serial port. This saves one output terminal from the DSP. (Output data
changes on the falling edge of SCLK. This is the default configuration for the TLV2542 and TLV2545.)
相关PDF资料
PDF描述
TLV2545IDR 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLV2542IDG4 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLV2545CDGKR 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLV2545IDGKG4 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLV2541ID 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
相关代理商/技术参数
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TLV25431DW 制造商:Texas Instruments 功能描述:
TLV2543C 制造商:Texas Instruments 功能描述:
TLV2543CDB 功能描述:模数转换器 - ADC 12-Bit 66 kSPS Serial Out 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
TLV2543CDBG4 功能描述:模数转换器 - ADC 12-Bit 66 kSPS Serial Out 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