Datasheet > AD4680BCPZ-RL7

AD4680BCPZ-RL7

更新时间： 2022-05-14 22:21:38

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
29页	427K
描述
Differential Inputs, 1 MSPS/500 kSPS, Dual Simultaneous Sampling SAR ADCs

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AD4680BCPZ-RL7 数据手册

Data Sheet

AD4680/AD4681

SPECIFICATIONS

V_CC= 3.0 V to 3.6 V, V_LOGIC= 1.65 V to 3.6 V, reference voltage (V_REF) = 2.5 V internal, sampling frequency (f_SAMPLE) = 1 MSPS (AD4680)

or 500 kSPS (AD4681), T_A= −40°C to +125°C, no oversampling enabled, unless otherwise noted. FS is full scale.

Table 2.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

RESOLUTION

Bits

THROUGHPUT

AD4680

AD4681

500

MSPS

kSPS

DC ACCURACY

No Missing Codes

Differential Nonlinearity (DNL) Error

Integral Nonlinearity (INL) Error

Gain Error

Gain Error Temperature Drift

Gain Error Match

Offset Error

Bits

LSB

% FS

ppm/°C

% FS

μV/°C

−1.0

−1.5

−0.015

−11

−0.01

−0.2

−0.5

−2

0.7

0.002

+1.0

+1.5

+0.015

+11

+0.01

+0.2

+0.5

0.002

0.01

At 25°C, V_CC= 3.3 V

Zero Error Drift

Zero Error Matching

AC ACCURACY

0.5

0.1

−0.5

+0.5

Input frequency (f_IN) = 1 kHz

V_REF= 3.3 V external

Dynamic Range

93.3

91.8

95.2

92.5

100

112

−113

−104

92.5

Oversampled Dynamic Range

Signal-to-Noise Ratio (SNR)

Oversampling ratio (OSR) = 4×

V_REF= 3.3 V external

89.5

OSR = 8×, RES = 1, V_REF= 3.3 V external

f_IN= 100 kHz

Spurious-Free Dynamic Range (SFDR)

Total Harmonic Distortion (THD)

f_IN= 100 kHz

V_REF= 3.3 V external

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

Channel to Channel Isolation

ANALOG INPUT

−110

Voltage Range

Absolute Input Voltage

Common-Mode Input Range

(A_INx+) – (A_INx−)

A_INx+, A_INx−

−V_REF

−0.1

+V_REF

V_REF+ 0.1

0.2 to V_REF

0.2

−

Analog Input Common-Mode Rejection

Ratio (CMRR)

_IN= 500 kHz

−75

DC Leakage Current

Input Capacitance

0.1

μA

When in track mode

When in hold mode

SAMPLING DYNAMICS

Input Bandwidth

At −0.1 dB

At −3 dB

MHz

Aperture Delay

Aperture Delay Match

Aperture Jitter

100

Rev. 0 | Page 3 of 29

1 234 5 6 7...29

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