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參數資料
| 型號： | TLV2556IPWG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | GREEN, PLASTIC, TSSOP-20 |
| 文件頁數： | 1/37頁 |
| 文件大小： | 729K |
| 代理商： | TLV2556IPWG4 |
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TLV2556
SLAS355A – DECEMBER 2001 – REVISED SEPTEMBER 2002
12-BIT, 200-KSPS, 11 CHANNEL, LOW POWER, SERIAL ADC
WITH INTERNAL REFERENCE
1
www.ti.com
FEATURES
D 12-Bit-Resolution A/D Converter
D Up to 200-KSPS (150-KSPS for 3 V)
Throughput Bit With 12-Output Mode Over
Operating Temperature Range
D 11 Analog Input Channels
D 3 Built-In Self-Test Modes
D Programmable Reference (2.048/4.096 V
Internal, External)
D Inherent Sample and Hold Function
D Linearity Error ... ±1 LSB Max
D On-Chip Conversion Clock
D Programmable Conversion Status Output: INT
or EOC
D Unipolar or Bipolar Output Operation
D Programmable MSB or LSB First
D Programmable Power Down
D Programmable Output Data Length
D SPI Compatible Serial Interface With I/O Clock
Frequencies up to 15 MHz (CPOL=0, CPHA=0)
APPLICATIONS
D Industrial Process Control
D Portable Data Logging
D Battery Powered Instruments
D Automotive
DESCRIPTION
The
TLV2556
is
a
12-bit,
switched-capacitor,
successive-approximation, analog-to-digital converter.
The ADC has three control inputs [chip select (CS), the
input-output clock, and the address/control input
(DATAIN)], designed for communication with the serial
port of a host processor or peripheral through a serial
3-state output.
In addition to the high-speed converter and versatile
control capability, the device has an on-chip 14-channel
multiplexer that can select any one of 11 inputs or any
one
of
three
internal
self-test
voltages
using
configuration register 1. The sample-and-hold function
is automatic. At the end of conversion, when
programmed as EOC, the pin 19 output goes high to
indicate that conversion is complete. If pin 19 is
programmed as INT, the signal goes low when the
conversion is complete. The converter incorporated in
the
device
features
differential,
high-impedance
reference inputs that facilitate ratiometric conversion,
scaling, and isolation of analog circuitry from logic and
supply noise. A switched-capacitor design allows low-
error conversion over the full operating temperature
range. An internal reference is available and its voltage
level is programmable via configuration register 2
(CFGR2).
The TLV2556I is characterized for operation from
TA = –40°C to 85°C. See available options table for
package options.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
2002, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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15
14
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12
11
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
AIN8
GND
VCC
INT/EOC
I/O CLOCK
DATA IN
DATA OUT
CS
REF +
REF –
AIN10
AIN9
(TOP VIEW)
PW AND DW PACKAGE
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TLV2556IPWR | 功能描述:模數轉換器 - ADC 12-Bit 200 KSPS 11 Ch Lo-Pwr 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 |
| TLV2556IPWRG4 | 功能描述:模數轉換器 - ADC 12-Bit 200 KSPS 11 Ch Lo-Pwr 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 |
| TLV2556MPWREP | 功能描述:模數轉換器 - ADC EP 12B,200KSPS,11Ch Low Pwr,Serial 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 |
| TLV2556MPWREPG4 | 功能描述:模數轉換器 - ADC EP 12B,200KSPS,11Ch 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 |
| TLV2620ID | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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