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参数资料
| 型号： | MAX1202AEAP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 23/24页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 8CH 20-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 66 |
| 位数： | 12 |
| 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： | 管件 |
| 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 |
______________________________________________________________Pin Description
MAX1202/MAX1203
5V, 8-Channel, Serial, 12-Bit ADCs
with 3V Digital Interface
8
_______________________________________________________________________________________
-1.0
-0.8
-0.6
-0.4
0
INTEGRAL NONLINEARITY
vs. DIGITAL
1.0
0.4
0.6
0.8
MAX1202
TOC09
DIGITAL CODE
INL
(LSB)
3000
0
-0.2
750
1500
2250
0.2
3750
4500
-120
0
FFT PLOT
20
MAX1202
TOC10
FREQUENCY (kHz)
AMPLITUDE
(dB)
-20
-40
-60
-80
-100
33.25
0
66.50
VSS = -5V
____________________________Typical Operating Characteristics (continued)
(VDD = 5V ±5%; VL = 2.7V to 3.6V; VSS = 0V; fSCLK = 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion cycle
(133ksps); MAX1202—4.7F capacitor at REF pin; MAX1203—external reference, VREF = 4.096V applied to REF pin; TA = +25°C;
unless otherwise noted.)
Serial-Strobe Output. In internal clock mode, SSTRB goes low when the MAX1202/MAX1203 begin
the analog-to-digital conversion, and goes high when the conversion is finished. In external clock
mode, SSTRB pulses high for one clock period before the MSB decision. High impedance when CS
is high (external clock mode).
SSTRB
16
Serial-Data Input. Data is clocked in at SCLK’s rising edge.
DIN
17
Active-Low Chip Select. Data is not clocked into DIN unless CS is low. When CS is high, DOUT is
high impedance.
CS
18
Serial-Clock Input. SCLK clocks data in and out of the serial interface. In external clock mode, SCLK
also sets the conversion speed. (Duty cycle must be 40% to 60% in external clock mode.)
SCLK
19
Positive Supply Voltage, +5V ±5%
VDD
20
Input to the Reference-Buffer Amplifier. Tie REFADJ to VDD to disable the reference-buffer amplifier.
REFADJ
12
Ground; IN- Input for Single-Ended Conversions
GND
13
Supply Voltage for Digital Output Pins. Voltage applied to VL determines the positive output swing of
the Digital Outputs (DOUT, SSTRB). 2.7V
≤ VL ≤ 5.25V.
VL
14
Serial-Data Output. Data is clocked out at SCLK’s falling edge. High impedance when CS is high.
DOUT
15
Reference-Buffer Output/ADC Reference Input. In internal reference mode (MAX1202 only), the refer-
ence buffer provides a 4.096V nominal output, externally adjustable at REFADJ. In external reference
mode, disable the internal buffer by pulling REFADJ to VDD.
REF
11
Three-Level Shutdown Input. Pulling SHDN low shuts the MAX1202/MAX1203 down to 10A (max)
supply current; otherwise, the MAX1202/MAX1203 are fully operational. Pulling SHDN to VDD puts the
reference-buffer amplifier in internal compensation mode. Letting SHDN float puts the reference-
buffer amplifier in external compensation mode.
SHDN
10
PIN
Negative Supply Voltage. Tie VSS to -5V ±5% or to GND.
VSS
9
Sampling Analog Inputs
CH0–CH7
1–8
FUNCTION
NAME
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1202AEAP+ | 功能描述:模数转换器 - ADC 12-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 |
| MAX1202AEAP+T | 功能描述:模数转换器 - ADC 12-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 |
| MAX1202AEAP-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 |
| MAX1202AEPP | 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 |
| MAX1202AEPP+ | 功能描述:模数转换器 - ADC 12-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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