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參數資料
| 型號： | MAX1276CTC+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/18頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 1.8MSPS 12-TQFN |
| 標準包裝： | 2,500 |
| 位數： | 12 |
| 采樣率（每秒）： | 1.8M |
| 數據接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉換器數目： | 1 |
| 功率耗散（最大）： | 1.35W |
| 電壓電源： | 模擬和數字 |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 12-WQFN 裸露焊盤 |
| 供應商設備封裝： | 12-TQFN-EP（4x4） |
| 包裝： | 帶卷 (TR) |
| 輸入數目和類型： | 1 個差分，單極 |
General Description
The MAX1276/MAX1278 are low-power, high-speed, seri-
al-output, 12-bit, analog-to-digital converters (ADCs) that
operate at up to 1.8Msps and have an internal reference.
These devices feature true-differential inputs, offering bet-
ter noise immunity, distortion improvements, and a wider
dynamic range over single-ended inputs. A standard
SPI/QSPI/MICROWIRE interface provides the clock
necessary for conversion. These devices easily interface
with standard digital signal processor (DSP) synchronous
serial interfaces.
The MAX1276/MAX1278 operate from a single +4.75V to
+5.25V supply voltage. The MAX1276/MAX1278 include
a 4.096V internal reference. The MAX1276 has a unipolar
analog input, while the MAX1278 has a bipolar analog
input. These devices feature a partial power-down mode
and a full power-down mode for use between conver-
sions, which lower the supply current to 2mA (typ) and
1A (max), respectively. Also featured is a separate
power-supply input (VL), which allows direct interfacing to
+1.8V to VDD digital logic. The fast conversion speed,
low-power dissipation, excellent AC performance, and DC
accuracy (±1.25 LSB INL) make the MAX1276/MAX1278
ideal for industrial process control, motor control, and
base-station applications.
The MAX1276/MAX1278 come in a 12-pin TQFN pack-
age, and are available in the extended (-40°C to +85°C)
temperature range.
Applications
Data Acquisition
Communications
Bill Validation
Portable Instruments
Motor Control
Features
o 1.8Msps Sampling Rate
o Only 55mW (typ) Power Dissipation
o Only 1A (max) Shutdown Current
o High-Speed, SPI-Compatible, 3-Wire Serial Interface
o 70dB S/(N + D) at 525kHz Input Frequency
o Internal True-Differential Track/Hold (T/H)
o Internal 4.096V Reference
o No Pipeline Delays
o Small 12-Pin TQFN Package
MAX1276/MAX1278
1.8Msps, Single-Supply, Low-Power, True-
Differential, 12-Bit ADCs with Internal Reference
________________________________________________________________
Maxim Integrated Products
1
12
AIN+
11
N.C.
10
SCLK
45
N.C.
6
GND
1
2
REF
3
9
8
7
RGND
CNVST
DOUT
VL
MAX1276
MAX1278
AIN-
VDD
TQFN
TOP VIEW
PART
TEMP RANGE
PIN-
PACKAGE
INPUT
MAX1276ETC+T
-40
°C to +85°C 12 TQFN
Unipolar
MAX1278ETC+T
-40
°C to +85°C 12 TQFN
Bipolar
Pin Configuration
Ordering Information
MAX1276
MAX1278
DOUT
AIN+
4.7
μF
10
μF
10
μF
4.75V TO +5.25V
0.01
μF
0.01
μF
0.01
μF
+1.8V TO VDD
AIN-
REF
VDD
DIFFERENTIAL
INPUT
VOLTAGE
RGND
VL
GND
CNVST
SCLK
μC/DSP
+
-
Typical Operating Circuit
19-3364; Rev 1; 4/09
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
EVALUATION
KIT
AVAILABLE
+
Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1276ETC | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1276ETC+ | 功能描述:模數轉換器 - ADC 12-Bit 1.8Msps 4.096V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1276ETC+T | 功能描述:模數轉換器 - ADC 12-Bit 1.8Msps 4.096V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1276ETC-T | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1276EVC16 | 功能描述:模數轉換器 - ADC 1.8Msps Single-Supply Low-Power True-Differential 12-Bit ADCs with Internal Reference RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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