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参数资料
| 型号： | MAX1280BEUP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/24页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 400KSPS 20-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 位数： | 12 |
| 采样率（每秒）： | 400k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 559mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 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 个伪差分，单极；4 个伪差分，双极 |
MAX1280/MAX1281
400ksps/300ksps, Single-Supply, Low-Power, 8-Channel,
Serial 12-Bit ADCs with Internal Reference
16
______________________________________________________________________________________
progress. In software power-down mode, the serial
interface remains active, waiting for a new control byte
to start conversion and switch to full-power mode.
Once the conversion is completed, the device goes
into the programmed power mode until a new control
byte is written.
The power-up delay is dependent on the power-down
state. Software low-power modes will be able to start
conversion immediately when running at decreased
clock rates (see Power-Down Sequencing). During
power-on reset, when exiting software full power-down
mode or exiting hardware shutdown, the device goes
immediately into full-power mode and is ready to con-
vert after 2s when using an external reference. When
using the internal reference, wait for the typical power-
up delay from a full power-down (software or hard-
ware), as shown in Figure 9.
Software Power-Down
Software power-down is activated using bits PD1 and
PD0 of the control byte. When software shutdown is
asserted, the ADC completes the conversion in
progress and powers down into the specified low-
quiescent-current state (2A, 0.9mA, or 1.3mA).
The first logic 1 on DIN is interpreted as a start bit and
puts the MAX1280/MAX1281 into their full-power mode.
Following the start bit, the data input word or control
byte also determines the next power-down state. For
example, if the DIN word contains PD1 = 0 and PD0 =
1, a 0.9mA power-down starts after the conversion.
112
B11
B6
B0
B11
B6
B0
B11
B6
16
8
1
12
16
8
5
1
12
16
8
51
SETC
S
CONTROL BYTE 2
S
CONTROL BYTE 1
S
DIN
SCLK
DOUT
SSTRB
CS
CONTROL BYTE 0
CONVERSION RESULT 0
CONVERSION RESULT 1
5
HIGH-Z
Figure 8. Continuous 16-Clock/Conversion Timing
PD1/PD0
MODE
CONVERTING
AFTER
CONVERSION
INPUT COMPARATOR
REFERENCE
00
Full Power-Down
(FULLPD)
2.5mA
2A
Off
01
Fast Power-Down
(FASTPD)
2.5mA
0.9mA
Reduced Power
On
10
Reduced-Power
Mode (REDPD)
2.5mA
1.3mA
Reduced Power
On
11
Operating Mode
2.5mA
2.0mA
Full Power
On
CIRCUIT SECTIONS*
TOTAL SUPPLY CURRENT
Table 4. Software-Controlled Power Modes
*Circuit operation between conversions; during conversion, all circuits are fully powered up.
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相关代理商/技术参数 |
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| MAX1280EVC16 | 功能描述:数据转换 IC 开发工具 MAX1280 Eval System RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX1280EVKIT | 功能描述:数据转换 IC 开发工具 MAX1280 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX1281BCUP | 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 |
| MAX1281BCUP+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 300ksps 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 |
| MAX1281BCUP+T | 功能描述:模数转换器 - ADC 12-Bit 8Ch 300ksps 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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