Datasheet > ADUM7704-8BRIZ-RL7

ADUM7704-8BRIZ-RL7

更新时间： 2022-05-14 22:21:08

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
22页	384K
描述
16-Bit, Isolated, Sigma-Delta Modulator

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Data Sheet

ADuM7704

SPECIFICATIONS

V_DD1= 4.5 V to 20 V, V _DD2= 3 V to 5.5 V, V_IN+= −50 mV to +50 mV, V_IN−= 0 V, T_A= −40°C to +125°C (1±-lead SOIC_W), T_A= −40°C to

+105°C (8-lead SOIC_IC), MCLKIN frequency (f_MCLKIN) = 20 MHz, tested with a sinc3 filter, and a 25± decimation rate, unless otherwise

noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

STATIC PERFORMANCE

Resolution

Bits

Filter output truncated to 16 bits

Integral Nonlinearity (INL)¹

Differential Nonlinearity (DNL)¹

Offset Error¹

0.99

0.13

0.18

0.25

0.6

LSB

µV/°C

µV/V

% FSR

ppm/°C

µV/°C

ppm/V

Guaranteed no missed codes to 16 bits

Initial at T_A= 25°C

0.05

0.1

2.5

Offset Drift vs. Temperature¹

16-lead SOIC_W

8-lead SOIC_IC

Offset Drift vs. V_DD1

Gain Error¹

Gain Error Drift vs. Temperature¹

0.2

31.3

Initial at T_A= 25°C

15.6

Gain Error Drift vs. V_DD1

ANALOG INPUT

Input Voltage Range

−64

−50

+64

+50

µA

Full-scale range

For specified performance

Input Common-Mode Voltage Range

Dynamic Input Current

−0.2 to +0.8

0.05

0.01

V_IN+= 50 mV, V_IN−= 0 V

V_IN+= 0 V, V_IN−= 0 V

DC Leakage Current

Input Capacitance

V_IN+or V_IN−left floating

V_IN+= 1 kHz

DYNAMIC SPECIFICATIONS

Signal-to-Noise-and-Distortion Ratio (SINAD)¹

SNR¹

76.5

78.6

−78

−89

−97

Total Harmonic Distortion (THD)¹

Peak Harmonic or Spurious-Free Dynamic

Range Noise (SFDR)¹

Effective Number of Bits (ENOB)¹

12.4

Bits

ISOLATION COMMON-MODE TRANSIENT

IMMUNITY (CMTI)¹

Common-mode voltage (|V_CM|) = 2 kV

Static and Dynamic

150

kV/µs

V_DD2= 5.5 V

V_DD2= 3.3 V

LOGIC INPUTS

CMOS with Schmitt trigger

Input High Voltage (V_IH)

Input Low Voltage (V_IL)

Input Current (I_IN)

Input Capacitance (C_IN)

LOGIC OUTPUTS

0.7 × V_DD2

µA

0.3 × V_DD2

0.6

Output High Voltage (V_OH)

Output Low Voltage (V_OL)

V_DD2− 0.4 V_DD2− 0.2

0.2

Output current (I_OUT) = −4 mA

I_OUT= 4 mA

0.4

Rev. 0 | Page 3 of 22

1 234 5 6 7...22

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