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参数资料
| 型号： | MAX1068CEEG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 18/30页 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT 200KSPS 24-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 位数： | 14 |
| 采样率（每秒）： | 200k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 762mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 24-QSOP |
| 包装： | 管件 |
| 输入数目和类型： | 8 个单端，单极 |
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MAX1067/MAX1068
Multichannel, 14-Bit, 200ksps Analog-to-Digital
Converters
______________________________________________________________________________________
25
QSPI Interface
Using the high-speed QSPI interface with CPOL = 0
and CPHA = 0, the MAX1067/MAX1068 support a
maximum fSCLK of 4.8MHz. Figure 21a shows the
MAX1067/MAX1068 connected to a QSPI master and
Figure 21b shows the associated interface timing.
PIC16 with SSP Module and PIC17
Interface
The MAX1067/MAX1068 are compatible with a PIC16/
PIC17 controller (C), using the synchronous serial-port
(SSP) module.
To establish SPI communication, connect the controller
as shown in Figure 22a and configure the PIC16/PIC17
as system master by initializing its synchronous serial-
port control register (SSPCON) and synchronous serial-
port status register (SSPSTAT) to the bit patterns shown
in Tables 7 and 8.
In SPI mode, the PIC16/PIC17 Cs allow 8 bits of data to
be synchronously transmitted and received simultane-
ously. Three consecutive 8-bit-wide readings (Figure
22b) are necessary to obtain the entire 14-bit result from
the ADC. DOUT data transitions on the serial clock’s
falling edge and is clocked into the C on SCLK’s rising
edge. The first 8-bit-wide data stream contains all zeros.
The 2nd 8-bit-wide data stream contains the MSB
through D6. The 3rd 8-bit-wide data stream contains bits
D5 through D0 followed by S1 and S0.
DOUT*
CS
SCLK
*WHEN CS IS HIGH, DOUT = HIGH-Z
MSB
20
16
D13
D12
D11
D10
D9
D8
D7
HIGH-Z
S1
S0
24
12
14
8
6
D6
D3
D2
D1
LSB
D5
D4
SAMPLING INSTANT
D0
Figure 21b. QSPI Interface Timing Sequence (External Clock, 8-Bit Data Transfer, CPOL = CPHA = 0)
CONTROL BIT
SETTINGS
SYNCHRONOUS SERIAL-PORT CONTROL REGISTER (SSPCON)
WCOL
BIT7
X
Write Collision Detection Bit
SSPOV
BIT6
X
Receive Overflow Detection Bit
SSPEN
BIT5
1
Synchronous Serial-Port Enable Bit:
0: Disables serial port and configures these pins as I/O port pins.
1: Enables serial port and configures SCK, SDO, and SCI pins as serial
port pins.
CKP
BIT4
0
Clock Polarity Select Bit. CKP = 0 for SPI master-mode selection.
SSPM3
BIT3
0
SSPM2
BIT2
0
SSPM1
BIT1
0
SSPM0
BIT0
1
Synchronous Serial-Port Mode Select Bit. Sets SPI master-mode and
selects fCLK = fOSC / 16.
Table 7. Detailed SSPCON Register Contents
X = Don’t care.
QSPI
SCLK
DOUT
CS
SCK
MISO
VDD
SS
CS
MAX1067
MAX1068
Figure 21a. QSPI Connections
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1068CEEG+ | 功能描述:模数转换器 - ADC MultiCh 14-Bit 200ksps 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 |
| MAX1068CEEG+T | 功能描述:模数转换器 - ADC MultiCh 14-Bit 200ksps 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 |
| MAX1068CEEG-T | 功能描述:模数转换器 - ADC 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 |
| MAX1069 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:58.6ksps, 14-Bit, 2-Wire Serial ADC in a 14-Pin TSSOP |
| MAX1069_10 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:58.6ksps, 14-Bit, 2-Wire Serial ADC in a 14-Pin TSSOP |
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