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参数资料
| 型号： | TLV1570CPWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封装： | GREEN, TSSOP-20 |
| 文件页数： | 28/32页 |
| 文件大小： | 634K |
| 代理商： | TLV1570CPWR |
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TLV1570
2.7 V TO 5.5 V 8-CHANNEL 10-BIT 1.25-MSPS
SERIAL ANALOG-TO-DIGITAL CONVERTER
SLAS169B – DECEMBER 1997– REVISED OCTOBER 2000
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
configuration register (CR) definition
BIT
DESCRIPTION
5 V
3 V
Software power down:
X
DI15
0:
1:
Normal
Power down enabled
X
DI14
Reads out values of the internal register, 1 – read. Only DI15 – DI1 are read out.
X
These two bits select the self-test voltage to be applied to the ADC input during next clock cycle:
X
00:
Allow AIN to come in normally
DI13, DI12
01:
Apply AGND to AIN
10:
Apply VREF/2 to AIN
11:
N/A
Choose speed application
X
DI11
0:
High speed (higher power consumption)
1:
Low speed (lower power consumption)
This bit enables channel auto-scan function.
X
DI10
0:
1:
Autoscan disabled
Autoscan enabled
DI9 – DI7 These three bits select which of the eight
channels is to be used (if DI10 = 0).
DI9, DI8 These two bits select the channel swept
sequence used by auto scan mode (if DI10 = 1)
X
000:
Channel 0 selected as input
00:
Analog inputs CH0, CH1, CH2,
….., CH7
sequentially selected
001:
Channel 1 selected as input
01:
Analog inputs CH1, CH3, CH5, CH7
sequentially selected
DI9, DI8, DI7
010:
Channel 2 selected as input
10:
Analog inputs CH0, CH2, CH4, CH6
sequentially selected
011:
Channel 3 selected as input
11:
Analog inputs CH7, CH6, CH5,
….., CH0
sequentially selected
100:
Channel 4 selected as input
DI7 Auto-scan reset
101:
Channel 5 selected as input
0:
No reset
110:
Channel 6 selected as input
1:
Reset autoscan sequence
111:
Channel 7 selected as input
Selects Internal or external reference voltage:
X
DI6
0:
1:
External
Internal
Selects internal reference voltage value to be applied to the ADC during next conversion cycle.
DI5
0:
2.3 V
X
1:
3.8 V
X
Enables/disables autopower-down function:
X
DI4
1:
Enable
0:
Disable
DI3
Performance optimizer – linearity
0: AVDD = 5.5 V to 3.6 V
1: AVDD = 3.5 V to 2.7 V
X
DI2
Always write 0 (reserved bit)
X
DI1
Always write 0 (reserved bit)
X
DI0
Always write 0 (reserved bit)
X
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| TLV1570CPWRG4 | 功能描述:模数转换器 - ADC 10-Bit 1.25 MSPS 8-Ch DSP 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 |
| TLV1570EVM | 功能描述:EVALUATION MODULE FOR TLV1570 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| TLV1570IDW | 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 |
| TLV1570IDWG4 | 功能描述:模数转换器 - ADC 10-Bit 1.25 MSPS 8-Ch DSP 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 |
| TLV1570IDWR | 制造商:Texas Instruments 功能描述: |
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