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參數(shù)資料
| 型號： | MAX1275AETC-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | LJT 100C 100#22D PIN PLUG |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, QCC12 |
| 封裝： | 4 X 4 MM, 0.80 MM HEIGHT, MO-220, TQFN-12 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 1227K |
| 代理商： | MAX1275AETC-T |
General Description
The MAX1274/MAX1275 low-power, high-speed, serial-
output, 12-bit, analog-to-digital converters (ADCs) oper-
ate at up to 1.8Msps. These devices feature true-differen-
tial inputs, offering better 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 MAX1274/MAX1275 operate from a single +4.75V to
+5.25V supply voltage and require an external reference.
The MAX1274 has a unipolar analog input, while the
MAX1275 has a bipolar analog input. These devices fea-
ture a partial power-down mode and a full power-down
mode for use between conversions, which lower the sup-
ply current to 1mA (typ) and 1μA (max), respectively. Also
featured is a separate power-supply input (V
L
), which
allows direct interfacing to +1.8V to V
DD
digital logic. The
fast conversion speed, low-power dissipation, excellent
AC performance, and DC accuracy (
±
1 LSB INL) make
the MAX1274/MAX1275 ideal for industrial process con-
trol, motor control, and base-station applications.
The MAX1274/MAX1275 come in a 12-pin TQFN pack-
age, and are available in the commercial (0°C to +70°C)
and extended (-40°C to +85°C) temperature ranges.
Applications
Communications
Portable Instruments
Data Acquisition
Bill Validation
Motor Control
Features
1.8Msps Sampling Rate
Only 45mW (typ) Power Dissipation
Only 1μA (max) Shutdown Current
High-Speed, SPI-Compatible, 3-Wire Serial Interface
70dB S/(N + D) at 525kHz Input Frequency
Internal True-Differential Track/Hold (T/H)
External Reference
No Pipeline Delays
Small 12-Pin TQFN Package
M
1.8Msps, Single-Supply, Low-Power,
True-Differential, 12-Bit ADCs
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
12
AIN+
11
N.C.
10
SCLK
4
5
N.C.
6
GND
1
2
REF
3
9
8
7
RGND
CNVST
DOUT
V
L
MAX1274
MAX1275
AIN-
V
DD
TQFN
TOP VIEW
PART
TEMP RANGE
PIN-
PACKAGE
INPUT
MAX1274
ACTC-T
MAX1274BCTC-T
MAX1274AETC-T
MAX1274BETC-T
MAX1275
ACTC-T
MAX1275BCTC-T
MAX1275AETC-T
MAX1275BETC-T
0
°
C to +70
°
C
0
°
C to +70
°
C
-40
°
C to +85
°
C 12 TQFN-12
-40
°
C to +85
°
C 12 TQFN-12
0
°
C to +70
°
C
0
°
C to +70
°
C
-40
°
C to +85
°
C 12 TQFN-12
-40
°
C to +85
°
C 12 TQFN-12
12 TQFN-12
12 TQFN-12
Unipolar
Unipolar
Unipolar
Unipolar
Bipolar
Bipolar
Bipolar
Bipolar
12 TQFN-12
12 TQFN-12
Pin Configuration
Ordering Information
MAX1274
MAX1275
DOUT
AIN+
REF
4.7
μ
F
10
μ
F
10
μ
F
4.75V TO +5.25V
0.01
μ
F
0.01
μ
F
0.01
μ
F
+1.8V TO V
DD
AIN-
REF
V
DD
DIFFERENTIAL
INPUT
VOLTAGE
RGND
V
L
GND
CNVST
SCLK
μ
C/DSP
+
-
Typical Operating Circuit
19-3158; Rev 0; 1/04
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1274ACTC-T | 1.8Msps, Single-Supply, Low-Power, True-Differential, 12-Bit ADCs |
| MAX1274BCTC-T | 1.8Msps, Single-Supply, Low-Power, True-Differential, 12-Bit ADCs |
| MAX1275ACTC-T | 1.8Msps, Single-Supply, Low-Power, True-Differential, 12-Bit ADCs |
| MAX1275BCTC-T | 1.8Msps, Single-Supply, Low-Power, True-Differential, 12-Bit ADCs |
| MAX1275BETC-T | 1.8Msps, Single-Supply, Low-Power, True-Differential, 12-Bit ADCs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1275BCTC | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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 |
| MAX1275BCTC+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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 |
| MAX1275BCTC+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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 |
| MAX1275BCTC-T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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 |
| MAX1275BETC | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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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