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| 型号： | MAX1204AEAP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/23页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT 8CH 20-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 位数： | 10 |
| 采样率（每秒）： | 133k |
| 数据接口： | MICROWIRE?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 640mW |
| 电压电源： | 双 ± |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 8 个单端，单极；8 个单端，双极；4 个差分，单极；4 个差分，双极 |
MAX1204
5V, 8-Channel, Serial, 10-Bit ADC
with 3V Digital Interface
15
Maxim Integrated
__________ Applications Information
Power-On Reset
When power is first applied and if SHDN is not pulled
low, internal power-on reset circuitry activates the
MAX1204 in internal clock mode, ready to convert with
SSTRB = high. After the power supplies are stabilized,
the internal reset time is 100s. No conversions should
be performed during this phase. SSTRB is high on
power-up, and if CS is low, the first logical 1 on DIN is
interpreted as a start bit. Until a conversion takes
place, DOUT shifts out zeros.
Reference-Buffer Compensation
In addition to its shutdown function, SHDN also selects
internal or external compensation. The compensation
affects both power-up time and maximum conversion
speed. Compensated or not, the minimum clock rate is
100kHz due to droop on the sample-and-hold.
Float SHDN to select external compensation. The
Typical
Operating Circuit uses a 4.7F capacitor at REF. A value
of 4.7F or greater ensures stability and allows converter
operation at the 2MHz full clock speed. External com-
pensation increases power-up time (see the section
Choosing Power-Down Mode, and Table 5).
Internal compensation requires no external capacitor at
REF, and is selected by pulling SHDN high. Internal com-
pensation allows for the shortest power-up times, but is
only available using an external clock up to 400kHz.
Power-Down
Choosing Power-Down Mode
You can save power by placing the converter in a
low-current shutdown state between conversions.
Select full power-down or fast power-down mode via
bits 1 and 0 of the DIN control byte with SHDN high or
open (Tables 2 and 6). Pull SHDN low at any time to shut
down the converter completely. SHDN overrides bits 1
and 0 of the control byte.
Figure 11a. External Clock Mode, 15 Clocks/Conversion Timing
Figure 11b. External Clock Mode, 16 Clocks/Conversion Timing
SCLK
DIN
DOUT
CS
S
CONTROL BYTE 0
CONTROL BYTE 1
S
CONVERSION RESULT 0
CONVERSION RESULT 1
SSTRB
CONTROL BYTE 2
S
1
81
8
1
15
B2
B3
B4
B5
B6
B7
B8
B9
B1 B0 S1 S0
B2
B3
B4
B5
B6
B7
B8
B9
B1 B0 S1 S0
CS
SCLK
DIN
DOUT
S
CONTROL BYTE 0
CONTROL BYTE 1
S
CONVERSION RESULT 0
CONVERSION RESULT 1
B2
B3
B4
B5
B6
B7
B8
B9
B5
B6
B7
B8
B9
B1 B0 S1 S0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1204AEPP | 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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 |
| MAX1204AEPP+ | 功能描述:模数转换器 - ADC 10-Bit 8Ch 133ksps 5V 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 |
| MAX1204BCAP | 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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 |
| MAX1204BCAP+ | 功能描述:模数转换器 - ADC 10-Bit 8Ch 133ksps 5V 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 |
| MAX1204BCAP+T | 功能描述:模数转换器 - ADC 10-Bit 8Ch 133ksps 5V 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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