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器件3D模型￥ 91.363
ADS8327IPWR 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
AD转换器
封装:
TSSOP-16
描述:
低功耗， 16位， 500千赫，单/双单极性输入，模拟 - 数字转换器，串行接口 LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE
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引脚图在P10Hot
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封装尺寸在P40P41P43P44
型号编码规则在P2
标记信息在P40P41
封装信息在P2P40P41P42P43P44
技术参数、封装参数在P3P4P5P6P7
应用领域在P1P50
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ADS8327IPWR数据手册
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REF−
+IN
REF+
SDI
SCLK
SDO
CDAC
SAR
COMPARATOR
OUTPUT
LATCH
and
3−STATE
DRIVER
CONVERSION
and
CONTROL
LOGIC
−IN
+IN1
+IN0
COM
NC
OSC
_
+
ADS8328 ADS8327
FS/CS
CONVST
EOC/INT/CDI
ADS8327
ADS8328
www.ti.com
SLAS415E – APRIL 2006– REVISED JANUARY 2011
LOW POWER, 16-BIT, 500-kHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL
CONVERTERS WITH SERIAL INTERFACE
Check for Samples: ADS8327, ADS8328
1
FEATURES
APPLICATIONS
• Communications
• 2.7-V to 5.5-V Analog Supply, Low Power:
• Transducer Interface
– 10.6 mW (500 kHz, +VA = 2.7 V,
• Medical Instruments
+VBD = 1.8 V)
• Magnetometers
• 500-kHz Sampling Rate
• Industrial Process Control
• Excellent DC Performance
• Data Acquisition Systems
– ±1.5 LSB Typ, ±2 LSB Max INL
• Automatic Test Equipment
– ±0.6 LSB Typ, ±1 LSB Max DNL
– 16-Bit NMC Over Temperature
DESCRIPTION
– ±0.5 mV Max Offset Error at 2.7 V
The ADS8327 is a low power, 16-bit, 500-kSPS
– ±1 mV Max Offset Error at 5 V
analog-to-digital converter with a unipolar input. The
• Excellent AC Performance at f
I
= 10 kHz with
device includes a 16-bit capacitor-based SAR A/D
converter with inherent sample and hold.
91 dB SNR, 100 dB SFDR, –96 dB THD
• Built-In Conversion Clock (CCLK)
The ADS8328 is based on the same core and
includes a 2-to-1 input MUX with programmable
• 1.65 V to 1.5×(+VA) I/O Supply
option of TAG bit output. Both the ADS8327 and
– SPI/DSP Compatible Serial
ADS8328 offer a high-speed, wide voltage serial
– SCLK up to 50 MHz
interface and are capable of chain mode operation
when multiple converters are used.
• Comprehensive Power-Down Modes:
– Deep Power-Down
These converters are available in a 16-lead TSSOP
or 4x4 QFN packages and are fully specified for
– Nap Power-Down
operation over the industrial –40°C to +85°C
– Auto Nap Power-Down
temperature range.
• Unipolar Input Range: 0 V to V
REF
Table 1. Low Power, High-Speed SAR Converter
• Software Reset
Family
• Global CONVST (Independent of CS)
Type/Speed 500 kHz 1 MHz
• Programmable Status/Polarity EOC/INT
Single ADS8327 ADS8329
• 16-Pin 4×4 QFN or 16-Pin TSSOP Packages
16 Bit Pseudo-Diff
Dual ADS8328 ADS8330
• Multi-Chip Daisy Chain Mode
• Programmable TAG Bit Output
• Auto/Manual Channel Select Mode
1
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.
PRODUCTION DATA information is current as of publication date.
© 2006–2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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