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| 型号： | MAX11040GUU+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/35页 |
| 文件大小： | 0K |
| 描述： | IC ADC 24BIT 4CH 38-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 位数： | 24 |
| 采样率（每秒）： | 64k |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 4 |
| 功率耗散（最大）： | 108mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 38-TFSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 38-TSSOP |
| 包装： | 管件 |
| 输入数目和类型： | 4 个差分，双极 |
| 配用： | MAXSPCSPARTAN6+-ND - ADC and DAC Eval Expansion Board |
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MAX11040K/MAX11060
24-/16-Bit, 4-Channel, Simultaneous-Sampling,
Cascadable, Sigma-Delta ADCs
12
Maxim Integrated
Detailed Description
The MAX11040K/MAX11060 are 24-/16-bit, simultane-
ous-sampling, 4-channel, sigma-delta ADCs including
support for synchronized sampling and daisy chaining
of the serial interface across multiple (up to eight)
devices. The serial interface of the set of synchronized
devices behaves as one device. Each channel includes
a differential analog input, a sigma-delta modulator, a
digital decimation filter, an independent programmable
sampling delay, and a buffered reference signal from
the internal or an external reference. The device con-
tains an internal crystal oscillator. The output data rate,
the effective sample rate of the ADC, is software pro-
grammable.
The devices operate from a single 3.0V to 3.6V analog
supply and a 2.7V to VAVDD digital supply. The 4-wire
serial interface is SPI/QSPI/MICROWIRE and DSP com-
patible.
ADC Modulator
Each channel of the devices performs analog-to-
digital conversion on its input using a dedicated
switched-capacitor sigma-delta modulator. The modula-
tor converts the input signal into low-resolution digital data
for which the average value represents the digitized sig-
nal information at 3.072Msps for a 24.576MHz XIN clock.
This data stream is then presented to the digital filter for
processing to remove the high-frequency noise that cre-
ates a high-resolution 24-/16-bit output data stream.
The input sampling network of the analog input consists
of a pair of 4pF capacitors (CSAMPLE), the bottom
plates of which are connected to AIN_+ and AIN_- dur-
ing the track phase and then shorted together during
the hold phase (see Figure 1). The internal switches
have a total series resistance of 400
Ω. Given a
24.576MHz XIN clock, the switching frequency is
3.072MHz. The sampling phase lasts for 120ns.
MAX11040K
MAX11060
CSAMPLE+
HOLD
TO ADC
RON
CSAMPLE-
TRACK
AIN_+
AIN_-
AVDD/2
Figure 1. Simplified Track/Hold Stage
MAX11040K
MAX11060
AIN0+
AIN0-
1
F
AIN0-
AIN0+
24.576MHz
REF0
AIN1+
AIN1-
1
F
AIN1-
AIN1+
REF1
AIN2+
AIN2-
1
F
AIN2-
AIN2+
REF2
AIN3+
AIN3-
1
F
AIN3-
AIN3+
REF3
1
F
REFIO
0.01
F
1
F
3.3V
AVDD
0.01
F
1
F
3.3V
DVDD
20pF
XIN
XOUT
CLKOUT
CASCOUT
CASCIN
DOUT
DRDYOUT
DIN
SCLK
CS
SYNC
DRDYIN
FAULT
OVRFLW
MICROCONTROLLER
OR DSP
AGND
DGND
Typical Operating Circuit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX11040GUU/GH9 | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX11040GUU+ | 功能描述:模数转换器 - ADC 24Bit 4Ch Simul-Samp Cascadable Sig Delt 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 |
| MAX11040GUU+T | 功能描述:模数转换器 - ADC 24Bit 4Ch Simul-Samp Cascadable Sig Delt 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 |
| MAX11040K | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs |
| MAX11040K_1111 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs |
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