Datasheet > AD736_12

AD736_12

更新时间： 2022-05-19 15:31:55

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
20页	480K
描述
Low Cost, Low Power, True RMS-to-DC Converter

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AD736_12 数据手册

Data Sheet

AD736

SPECIFICATIONS

At 25°C 5 V supplies, ac-coupled with 1 kHz sine wave input applied, unless otherwise noted. Specifications in bold are tested on all

production units at final electrical test. Results from those tests are used to calculate outgoing quality levels.

Table 1.

AD736J/AD736A

AD736K/AD736B

Min Typ Max

Parameter

Conditions

Min

Typ

Max

Unit

TRANSFER FUNCTION

CONVERSION ACCURACY

Total Error, Internal Trim¹

All Grades

V_OUT= √Avg (V_IN)

1 kHz sine wave

Using C_C

0 mV rms to 200 mV rms

200 mV to 1 V rms

0.3/0.3

−1.2

0.5/0.5

2.0

0.2/0.2 0.3/0.3 ±mV/±± of reading

−1.2

2.0

± of reading

T_MINto T_MAX

A and B Grades

J and K Grades

@ 200 mV rms

0.7/0.7

0.007

0.5/0.5 ±mV/±± of reading

0.007

±± of reading/°C

vs. Supply Voltage

@ 200 mV rms Input

V_S= ±5 V to ±16.5 V

V_S= ±5 V to ±3 V

+0.06

−0.18

1.3

0.25

0.1/0.5

+0.1

−0.3

2.5

+0.06

−0.18

1.3

0.25

0.1/0.3

+0.1

−0.3

2.5

±/V

DC Reversal Error, DC-Coupled @ 600 mV dc

± of reading

±mV/±± of reading

Nonlinearity², 0 mV to 200 mV

Total Error, External Trim

ERROR VS. CREST FACTOR³

Crest Factor = 1 to 3

@ 100 mV rms

0 mV rms to 200 mV rms

0.35

C_AV, C_F= 100 µF

0.7

2.5

0.7

2.5

± additional error

Crest Factor = 3 to 5

INPUT CHARACTERISTICS

High Impedance Input

Signal Range (Pin 2)

Continuous RMS Level

V_S= +2.8 V, −3.2 V

V_S= ±5 V to ±16.5 V

V_S= +2.8 V, −3.2 V

V_S= ±5 V

200

mV rms

V rms

Peak Transient Input

0.9

4.0

0.9

4.0

±2.7

V_S= ±16.5 V

Input Resistance

Input Bias Current

10¹²

Ω

V_S= ±3 V to ±16.5 V

Low Impedance Input

Signal Range (Pin 1)

Continuous RMS Level

V_S= +2.8 V, –3.2 V

V_S= ±5 V to ±16.5 V

V_S= +2.8 V, −3.2 V

V_S= ±5 V

300

mV rms

V rms

Peak Transient Input

±1.7

±3.8

±11

±1.7

±3.8

±11

V_S= ±16.5 V

Input Resistance

Maximum Continuous

Nondestructive Input

6.4

9.6

±12

6.4

9.6

±12

kΩ

V p-p

All supply voltages

Input Offset Voltage⁴

J and K Grades

A and B Grades

vs. Temperature

vs. Supply

150

µV/°C

µV/V

V_S= ±5 V to ±16.5 V

V_S= ±5 V to ±3 V

Rev. I | Page 3 of 20

1 234 5 6 7...20

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