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参数资料
| 型号： | THS1207CDA |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
| 封装： | GREEN, PLASTIC, TSSOP-32 |
| 文件页数： | 28/32页 |
| 文件大小： | 317K |
| 代理商： | THS1207CDA |
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THS1207
SLAS284A – AUGUST 2000 – REVISED DECEMBER 2002
www.ti.com
5
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
AINP
32
I
Analog input, single-ended or positive input of differential channel A
AINM
31
I
Analog input, single-ended or negative input of differential channel A
BINP
30
I
Analog input, single-ended or positive input of differential channel B
BINM
29
I
Analog input, single-ended or negative input of differential channel B
AVDD
23
I
Analog supply voltage
AGND
24
I
Analog ground
BVDD
7
I
Digital supply voltage for buffer
BGND
8
I
Digital ground for buffer
CONV_CLK
15
I
Digital input. This input is the conversion clock input.
CS0
22
I
Chip select input (active low)
CS1
21
I
Chip select input (active high)
DGND
17
I
Digital ground. Ground reference for digital circuitry.
DVDD
18
I
Digital supply voltage
D0 – D9
1–6,
9–12
I/O/Z
Digital input, output; D0 = LSB
D10/RA0
13
I/O/Z
Digital input, output. The data line D10 is also used as an address line (RA0) for the control register. This is
required for writing to the control register 0 and control register 1. See Table 7.
D11/RA1
14
I/O/Z
Digital input, output (D11 = MSB). The data line D11 is also used as an address line (RA1) for the control register.
This is required for writing to control register 0 and control register 1. See Table 7.
REFIN
28
I
Common-modereference input for the analog input channels. It is recommended that this pin be connected to the
reference output REFOUT.
REFP
26
I
Reference input, requires a bypass capacitor of 10
F to AGND in order to bypass the internal reference voltage.
An external reference voltage at this input can be applied. This option can be programmed through control
register 0. See Table 8.
REFM
25
I
Reference input, requires a bypass capacitor of 10
F to AGND in order to bypass the internal reference voltage.
An external reference voltage at this input can be applied. This option can be programmed through control
register 0. See Table 8.
REFOUT
27
O
Analog fixed reference output voltage of 2.5 V. Sink and source capability of 250
A. The reference output
requires a capacitor of 10
F to AGND for filtering and stability.
RD(1)
19
I
The RD input is used only if the WR input is configured as a write only input. In this case, it is a digital input, active
low as a data read select from the processor. See timing section.
SYNC
16
O
Synchronization output. This signal indicates in a multichannel operation that data of channel A is brought to the
digital output and can therefore be used for synchronization.
WR (R/W)(1)
20
I
This input is programmable. It functions as a read-write input R/W and can also be configured as a write-only
input WR, which is active low and used as data write select from the processor. In this case, the RD input is used
as a read input from the processor. See timing section.
(1) The start-conditions of RD and WR (R/W) are unknown. The first access to the ADC has to be a write access to initialize the ADC.
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相关代理商/技术参数 |
参数描述 |
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| THS1207CDAG4 | 功能描述:模数转换器 - ADC 12-Bit 6MSPS Simult Sampling Quad Ch 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 |
| THS1207CDAR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| THS1207EVM | 制造商:Texas Instruments 功能描述:THS1207 ANALOG TO DIGITAL CONVERTER EVM - Bulk |
| THS1207IDA | 功能描述:模数转换器 - ADC 12-Bit 6MSPS Simult Sampling Quad Ch 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 |
| THS1207IDAG4 | 功能描述:模数转换器 - ADC 12-Bit 6MSPS Simult Sampling Quad Ch 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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