Datasheet > AD8290

AD8290

更新时间： 2024-02-15 11:45:02

品牌	Logo	应用领域
亚德诺 - ADI		传感器放大器
页数	文件大小	规格书
20页	455K
描述
G = 50, CMOS Sensor Amplifier with Current Excitation

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技术参数
数据手册

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AD8290 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	QCCN, LCC16,.12SQ,20	Reach Compliance Code：	compliant
风险等级：	5.59	模拟集成电路 - 其他类型：	ANALOG CIRCUIT
JESD-30 代码：	S-PQCC-N16	功能数量：	1
端子数量：	16	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	QCCN	封装等效代码：	LCC16,.12SQ,20
封装形状：	SQUARE	封装形式：	CHIP CARRIER
电源：	3/3.3 V	认证状态：	Not Qualified
子类别：	Other Analog ICs	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	Base Number Matches：	1

AD8290 数据手册

AD8290

SPECIFICATIONS

V_CC= 2.6 V to 5.0 V, T_A= 25°C, C_FILTER= 6.8 nF, output antialiasing capacitor = 68 nF, R_SET= 3 kΩ, common-mode input = 0.6 V, unless

otherwise noted.

Table 1.

Parameter

Test Conditions

Min

Typ

Max

Unit

COMMON-MODE REJECTION RATIO (CMRR) Input voltage (V_INP− V_INN

)

range of 0.2 V to V_CC− 1.7 V

CMRR DC

NOISE

110

120

0.75

900

Amplifier and VREF

VOLTAGE OFFSET

Output Offset

Input referred, f = 0.1 Hz to 10 Hz

μV p-p

Reference is internal and set to

900 mV nominal

865

935

Output Offset TC

PSR

−40°C < T_A< +85°C

−300

+300

μV/°C

120

INPUT CURRENT

Input Bias Current

Input Offset Current

DYNAMIC RESPONSE

Small Signal Bandwidth –3 dB

−1000

−2000

100

200

+1000

+2000

With external filter capacitors,

C_FILTER= 6.8 nF and output

0.25

kHz

antialiasing capacitor = 68 nF

GAIN

Gain

0.5

V/V

Gain Error

−1.0

−25

+1.0

+25

Gain Nonlinearity

Gain Drift

0.0075

−40°C < T_A< +85°C

ppm/°C

INPUT

Differential Input Impedance

Input Voltage Range

OUTPUT

50||1

MΩ||pF

0.2

V_CC− 1.7

Output Voltage Range

V_OUT= Gain × (V_INP− V_INN) +

Output Offset

0.075

V_CC− 0.075

Output Series Resistance

CURRENT EXCITATION

10 20%

kΩ

Excitation Current Range

Excitation Current Accuracy

Excitation Current Drift

Excitation current = 0.9 V/R_SET

−40°C < T_A< +85°C

300

1300

+1.0

+250

3000

μA

−1.0

−250

692

ppm/°C

External Resistor for Setting

Excitation Current (R_SET

)

Excitation Current Power

Supply Rejection

Excitation Current Pin Voltage

−2.0

+0.2

+2.0

μA/V

V_CC− 1.0

Excitation Current Output Resistance

Required Capacitor from Ground to

100

0.1

MΩ

μF

Excitation Current Pin (C_BRIDGE

)

ENABLE

ENBL High Level

V_CC< 2.9 V

V_CC> 2.9 V

V_CC− 0.5

2.4

V_CC

0.8

ENBL Low Level

GND

Start-Up Time for ENBL

5.0

Rev. B | Page 3 of 20

1 234 5 6 7...20

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