Datasheet > ADS131E04_14

ADS131E04_14

更新时间： 2022-10-12 16:27:11

品牌	Logo	应用领域
德州仪器 - TI		监控
页数	文件大小	规格书
60页	1805K
描述
Analog Front-End for Power Monitoring, Control, and Protection

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ADS131E04_14 数据手册

ADS131E04

ADS131E06

ADS131E08

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SBAS561A –JUNE 2012–REVISED APRIL 2013

ELECTRICAL CHARACTERISTICS

Minimum and maximum specifications apply from –40°C to +105°C. Typical specifications are at +25°C. All specifications are

at DVDD = 1.8 V, AVDD = 3 V, AVSS = 0 V, V_REF= 2.4 V, external f_CLK= 2.048 MHz, data rate = 8 kSPS, and gain = 1,

unless otherwise noted.

ADS131E0x

PARAMETER

ANALOG INPUTS

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Full-scale differential input voltage

(AINP – AINN)

±V_REF/ gain

See the Input Common-Mode

Range subsection of the PGA

Settings and Input Range section

Input common-mode range

C_i

I_IB

Input capacitance

Input bias current

DC input impedance

PGA output in normal range

200

MΩ

PGA PERFORMANCE

Gain settings

1, 2, 4, 8, 12

See

Table 3

Bandwidth

ADC PERFORMANCE

Data rates up to 16 kSPS

32- and 64-kSPS data rate

f_CLK= 2.048 MHz

Bits

Resolution

Data rate

kSPS

CHANNEL PERFORMANCE (DC Performance)

INL

Integral nonlinearity

Dynamic range

Full-scale, best fit

G = 1

ppm

105

Gain settings other than 1

See Noise Measurements section

E_O

E_G

Offset error

350

0.65

0.1

μV

μV/°C

Offset error drift

Gain error

Excluding voltage reference error

Excluding voltage reference drift

Gain drift

ppm/°C

% of FS

Gain match between channels

0.2

CHANNEL PERFORMANCE (AC Performance)

CMRR Common-mode rejection ratio

PSRR Power-supply rejection ratio

Crosstalk

f_CM= 50 Hz and 60 Hz⁽¹⁾

f_PS= 50 Hz and 60 Hz

f_IN= 50 Hz and 60 Hz

–110

–80

–110

AVDD = 3V, V_REF

= 2.4V

0.04

3000:1 dynamic range with a 1-second

Accuracy

measurement (V_RMS/ I_RMS

)

AVDD = 5 V, V_REF

= 4V

0.025

SNR

THD

Signal-to-noise ratio

f_IN= 50 Hz and 60 Hz, gain = 1

10 Hz, –0.5 dBFs

107

–93

Total harmonic distortion

FAULT DETECT AND ALARM

Comparator threshold accuracy

EXTERNAL REFERENCE

±30

AVDD = 3 V, V_REF= (VREFP – VREFN)

AVDD = 5 V, V_REF= (VREFP – VREFN)

2.5

AVDD

Reference input voltage

VREFN Negative input

VREFP Positive input

Input impedance

AVSS

AVDD –

2.5

AVSS +

2.5

AVDD

kΩ

(1) CMRR is measured with a common-mode signal of (AVSS + 0.3 V) to (AVDD – 0.3 V). The values indicated are the minimum of the

eight channels.

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与ADS131E04_14相关器件

型号	品牌	获取价格	描述	数据表
ADS131E04IPAG	TI	获取价格	Analog Front-End for Power Monitoring, Control, and Protection
ADS131E04IPAGR	TI	获取价格	Analog Front-End for Power Monitoring, Control, and Protection
ADS131E06	TI	获取价格	Analog Front-End for Power Monitoring, Control, and Protection
ADS131E06IPAG	TI	获取价格	Analog Front-End for Power Monitoring, Control, and Protection
ADS131E06IPAGR	TI	获取价格	Analog Front-End for Power Monitoring, Control, and Protection
ADS131E08	TI	获取价格	Analog Front-End for Power Monitoring, Control, and Protection
ADS131E08IPAG	TI	获取价格	Analog Front-End for Power Monitoring, Control, and Protection
ADS131E08IPAGR	TI	获取价格	Analog Front-End for Power Monitoring, Control, and Protection
ADS131E08S	TI	获取价格	用于电源监控和保护、具有快速启动功能的 24 位 64kSPS 8 通道同步采样 Δ-Σ
ADS131E08SPAG	TI	获取价格	用于电源监控和保护、具有快速启动功能的 24 位 64kSPS 8 通道同步采样 Δ-Σ

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