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参数资料
| 型号： | MAX1261BCEI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 19/20页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12-BIT 250KSPS 28-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 位数： | 12 |
| 采样率（每秒）： | 250k |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 5.1mW |
| 电压电源： | 单电源 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 28-QSOP |
| 包装： | 管件 |
| 输入数目和类型： | 8 个单端，单极；8 个单端，双极；4 个伪差分，单极；4 个伪差分，双极 |
| 产品目录页面： | 1396 (CN2011-ZH PDF) |
MAX1261/MAX1263
250ksps, +3V, 8-/4-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
8
_______________________________________________________________________________________
Pin Description
MAX1263
MAX1261
FUNCTION
24
23
22
21
20
19
18
17
16
15
—
14
13
12
11
10
9
8
7
6
5
4
3
PIN
2
1
Digital Power Supply. VLOGIC powers the digital outputs of the data converter and can
range from +1.8V to (VDD + 300mV).
VLOGIC
28
Analog +5V Power Supply. Bypass with a 0.1F capacitor to GND.
VDD
27
Bandgap Reference Buffer Output/External Reference Input. Add a 4.7F capacitor to
GND when using the internal reference.
REF
26
Bandgap Reference Output/Bandgap Reference Buffer Input. Bypass to GND with a
0.01F capacitor. When using an external reference, connect REFADJ to VDD to disable
the internal bandgap reference.
REFADJ
25
Analog and Digital Ground
GND
24
Ground Reference for Analog Inputs. Sets zero-code voltage in single-ended mode and
must be stable to ±0.5 LSB during conversion.
COM
23
Analog Input Channel 0
CH0
22
Analog Input Channel 1
CH1
21
Analog Input Channel 2
CH2
20
Analog Input Channel 3
CH3
19
Analog Input Channel 4
CH4
18
Analog Input Channel 5
CH5
17
Analog Input Channel 6
CH6
16
Analog Input Channel 7
CH7
15
Active-Low Chip Select. When CS is high, digital outputs (D7–D0) are high impedance.
CS
14
Clock Input. In external clock mode, drive CLK with a TTL-/CMOS-compatible clock. In
internal clock mode, connect this pin to either VDD or GND.
CLK
13
Active-Low Write Select. When CS is low in internal acquisition mode, a rising edge on WR
latches in configuration data and starts an acquisition plus a conversion cycle. When CS is
low in external acquisition mode, the first rising edge on WR ends acquisition and starts a
conversion.
WR
12
Active-Low Read Select. If CS is low, a falling edge on RD enables the read operation on
the data bus.
RD
11
INT goes low when the conversion is complete and the output data is ready.
INT
10
Tri-State Digital I/O Line (D0, HBEN = 0; D8, HBEN = 1)
D0/D8
9
Tri-State Digital I/O Line (D1, HBEN = 0; D9, HBEN = 1)
D1/D9
8
Tri-State Digital I/O Line (D2, HBEN = 0; D10, HBEN = 1)
D2/D10
7
Tri-State Digital I/O Line (D3, HBEN = 0; D11, HBEN = 1)
D3/D11
6
Tri-State Digital I/O Line (D4)
D4
5
Tri-State Digital I/O Line (D5)
D5
4
Tri-State Digital I/O Line (D6)
D6
3
Tri-State Digital I/O Line (D7)
D7
2
High Byte Enable. Used to multiplex the 12-bit conversion result:
1: Four MSBs are multiplexed on the data bus.
0: Eight LSBs are available on the data bus.
HBEN
1
NAME
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1261BCEI+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 250ksps 3.6V Precision 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 |
| MAX1261BCEI+T | 功能描述:模数转换器 - ADC 12-Bit 8Ch 250ksps 3.6V Precision 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 |
| MAX1261BCEI-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 |
| MAX1261BEEI | 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 |
| MAX1261BEEI+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 250ksps 3.6V Precision 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 |
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