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| 型号： | MAX1202AEAP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/24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： | 2,000 |
| 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： | 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 |
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General Description
The MAX1202/MAX1203 are 12-bit data-acquisition
systems specifically designed for use in applications
with mixed +5V (analog) and +3V (digital) supply volt-
ages. They operate with a single +5V analog supply or
dual ±5V analog supplies, and combine an 8-channel
multiplexer, high-bandwidth track/hold, and serial inter-
face with high conversion speed and low power con-
sumption.
A 4-wire serial interface connects directly to
SPI/MICROWIRE devices without external logic,
and a serial strobe output allows direct connection to
TMS320-family digital signal processors. The
MAX1202/MAX1203 use either the internal clock or an
external serial-interface clock to perform successive-
approximation analog-to-digital conversions. The serial
interface operates at up to 2MHz.
The MAX1202 features an internal 4.096V reference,
while the MAX1203 requires an external reference. Both
parts have a reference-buffer amplifier that simplifies
gain trim. They also have a VL pin that is the power
supply for the digital outputs. Output logic levels (3V,
3.3V, or 5V) are determined by the value of the voltage
applied to this pin.
These devices provide a hard-wired SHDN pin and two
software-selectable power-down modes. Accessing the
serial interface automatically powers up the devices. A
quick turn-on time enables the MAX1202/MAX1203 to
be shut down between conversions, allowing the user
to optimize supply currents. By customizing power-
down between conversions, supply current can drop
below 10A at reduced sampling rates.
The MAX1202/MAX1203 are available in 20-pin SSOP
and DIP packages, and are specified for the commer-
cial, extended, and military temperature ranges.
Applications
5V/3V Mixed-Supply Systems
Data Acquisition
High-Accuracy Process Control
Battery-Powered Instruments
Medical Instruments
Features
o 8-Channel Single-Ended or 4-Channel
Differential Inputs
o Operates from Single +5V or Dual ±5V Supplies
o User-Adjustable Output Logic Levels
(2.7V to 5.25V)
o Low Power: 1.5mA (operating mode)
2A (power-down mode)
o Internal Track/Hold, 133kHz Sampling Rate
o Internal 4.096V Reference (MAX1202)
o SPI/MICROWIRE/TMS320-Compatible
4-Wire Serial Interface
o Software-Configurable Unipolar/Bipolar Inputs
o 20-Pin DIP/SSOP
MAX1202/MAX1203
5V, 8-Channel, Serial, 12-Bit ADCs
with 3V Digital Interface
________________________________________________________________
Maxim Integrated Products
1
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
TOP VIEW
DIP/SSOP
VDD
SCLK
CS
DIN
SSTRB
DOUT
VL
GND
REFADJ
REF
SHDN
VSS
CH7
CH6
CH5
CH4
CH3
CH2
CH1
CH0
MAX1202
MAX1203
Pin Configuration
19-1173; Rev 2; 5/98
EVALUATION
KIT
AVAILABLE
Typical Operating Circuit appears at end of data sheet.
SPI is a registered trademark of Motorola, Inc.
MICROWIRE is a registered trademark of National
Semiconductor Corp.
Ordering Information continued at end of data sheet.
*
Dice are specified at TA = +25°C, DC parameters only.
±1
Dice*
0°C to +70°C
MAX1202BC/D
MAX1202BCAP
MAX1202ACAP
MAX1202BCPP
MAX1202ACPP
PART
TEMP. RANGE
0°C to +70°C
20 SSOP
20 Plastic DIP
PIN-PACKAGE
INL
(LSB)
±1/2
±1
±1/2
±1
Ordering Information
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| MAX1202BC/D | 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 |
| MAX1202BCAP | 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 |
| MAX1202BCAP+ | 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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