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参数资料
| 型号： | TLV1562IDWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封装： | 1.27 MM PITCH, GREEN, SOIC-28 |
| 文件页数： | 37/41页 |
| 文件大小： | 600K |
| 代理商： | TLV1562IDWR |
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TLV1562
2.7 V TO 5.5 V, HIGH-SPEED LOW-POWER RECONFIGURABLE ANALOG-TO-DIGITAL
CONVERTER WITH 4-INPUT, DUAL S/H, PARALLEL INTERFACE, AND POWER DOWN
SLAS162 – SEPTEMBER 1998
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
control register
The TLV1562 is software configurable. The first two bits, MSBs (D9,8), are used to address the register set. The
rest of the 8 bits are used as data. There are two control registers, CR0 and CR1, for user configuration. All of
these register bits are written to the control register during a write cycle. A description of the control registers
and the input/output data formats are shown in Figure 1.
Pin D9
Index1
Pin D8
Index0
Pin D7
Pin D6
CR0
0
Offset Calibration Set OMS(1,0)
0,0 = Operate with calibration
0,1 = Measure system offset
1,0 = Measure internal offset
1,1 = Operate without calibration
0
1
Input Data Format
Pin D9
Pin D8
Pin D7
Pin D6
Pin D5
Pin D4
Pin D3
Pin D2
Pin D1
Pin D0
Output Data Format
10-Bit Conversion Result
4-Bit Conversion Result
8-Bit Conversion Result
CR1
D(5,4)
= 0,0
OD9
OD3
OD7
CR1
MSB
OD8
OD7
OD6
OD5
OD4
OD3
OD2
OD1
OD0
LSB
OD2
OD1
OD0
Z
OD6
OD5
OD4
OD3
OD2
OD1
OD0
Z
MSB
LSB
MSB
LSB
Conversion
Clock Select
0 = Internal
1 = External
Input Type:
0 = Single end
1 = Differential
Conversion Mode Select MS(1,0)
0,0 = Mono interrupt
0,1 = Dual interrupt
1,0 = Mono continuous
1,1 = Dual continuous
Channel Select CS(1,0)
0,0 = Ch1 or pair A
0,1 = Ch2 or pair A
1,0 = Ch3 or pair B
1,1 = Ch4 or pair B
System Offset Calibration: Short the system input to the system AGND
Internal Offset Calibration: Short the two inputs to the S/HA to AGND
0
Interrupt-Mode
Conversion
Started
0 = By RD
1 = By CSTART
Resolution Select BS(1,0)
0,0 = 10-Bit
0,1 = 4-Bit
1.0 = 8-Bit
1.1 = 12-Bit Test
0
Output Format
0 = 2’s
Complement
1 = Binary
Interrupt-Mode
Auto
Power Down
0 = Disabled
1 = Enabled
SW Power Down
0 = Normal
1 = S/W Power
Down
Register Index
Configuration Register Content
Configuration Result
CR1
D(5,4)
= 0,1
CR1
D(5,4)
= 1,0
Reference delta should be greater than 2 V when swing is reduced.
NOTE:
Z indicates bits write zero read zero back.
Pin D5
Pin D4
Pin D3
Pin D2
Pin D1
Pin D0
Figure 1. Input/Output Data Formats
NOTE:
Channel select bits CR0.(1,0), CS(1,0) are ignored when the device is in the dual (interrupt or
continuous) modes using differential inputs, since both differential input pairs are automatically
selected. CR0.0 (i.e., CS0 bit) is used to determine if channels 1 and 3 or channels 2 and 4 are
selected if single-ended input mode is used.
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相关代理商/技术参数 |
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| TLV1562IDWRG4 | 功能描述:模数转换器 - ADC 10-Bit 2 MSPS Quad Channel 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 |
| TLV1562IPW | 功能描述:模数转换器 - ADC 10bit Programmable 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 |
| TLV1562IPWG4 | 功能描述:模数转换器 - ADC 10-Bit 2 MSPS Quad Channel 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 |
| TLV1570 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2.7 V TO 5.5 V 8-CHANNEL 10-BIT 1.25-MSPS SERIAL ANALOG-TO-DIGITAL CONVERTER |
| TLV1570CDW | 功能描述:模数转换器 - ADC 10bit 1.25MSPS Ser 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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