Datasheet > AD4632-16

AD4632-16

更新时间： 2023-12-20 18:44:57

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
51页	2023K
描述
16位、500 kSPS、双通道SAR ADC

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AD4632-16 数据手册

Data Sheet

AD4630-16/AD4632-16

SPECIFICATIONS

VDD_5V = 5.4 V, VDD_1.8V = 1.8 V, VIO = 1.8 V, REFIN = 5 V, input common mode = 2.5 V, sampling frequency (f_S) = 2 MSPS or 500 kSPS

for the AD4630-16/AD4632-16, respectively, and all specifications T_MINto T_MAX, unless otherwise noted. Typical values are at T_A= 25°C.

Table 1. Specifications

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

RESOLUTION

Bits

ANALOG INPUT

Voltage Range

INx+ voltage (V_INx+) − INx− voltage (V_INx−

V_INx+, V_INx−to GND

)

−(65/64) × V_REF

−(1/128) × V_REF

+(65/64) × V_REF

Absolute Input Voltage

Common-Mode Input Range

Common-Mode Rejection Ratio (CMRR)

Analog Input Current

+(129/128) × V_REF

(V_INx++ V_INx−)/2

Input frequency (f_IN) = 10 kHz

Acquisition phase, T_A= 25°C

Converting any DC input at 2 MSPS

Acquisition phase

132

0.4

0.6

µA

Analog Input Capacitance

Outside acquisition phase (pin capacitance

(C_PIN))

THROUGHPUT

Complete Cycle

AD4630-16

500

AD4632-16

2000

264

Conversion Time

Acquisition Phase¹

AD4630-16

282

300

244

260

275

AD4632-16

1744

1760

1775

Throughput Rate

AD4630-16

MSPS

kSPS

AD4632-16

500

DC ACCURACY

No Missing Codes

Integral Nonlinearity (INL) Error

Differential Nonlinearity (DNL) Error

Transition Noise

Zero Error

−3

Bits

±1

ppm

±0.05

0.12

LSB

LSB rms

μV

−150

+150

Zero-Error Drift

Gain Error

±0.05

±0.0005

±0.001

±0.05

±0.1

ppm/°C

%FS

Buffer disabled, REF = 5 V

Buffer enabled, REFIN = 5 V

Buffer disabled, REF = 5 V

Buffer enabled, REFIN = 5 V

VDD_5V = 5.4 V ± 0.1 V

VDD_1.8V = 1.8 V ± 5%

−0.005

−0.01

+0.005

+0.01

%FS

Gain-Error Temperature Drift

Power-Supply Sensitivity

ppm/°C

ppm

±0.1

±0.2

ppm

AC ACCURACY

Dynamic Range

Noise Spectral Density (NSD)²

97.4

−157.4

47.7

97.4

127

dBFS/Hz

µV rms

Total RMS Noise

Signal to Noise Ratio (SNR)

Spurious-Free Dynamic Range (SFDR)

Total Harmonic Distortion (THD)

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

SNR

f_IN= 1 kHz, −0.5 dBFS

−127

97.4

−112

VDD_5V = 5.0 V, f_IN= 1 kHz, −0.5 dBFS,

REFIN = 4.096 V

97.1

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