Datasheet > SGM90509

SGM90509

更新时间： 2024-04-09 19:00:34

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
33页	2269K
描述
8-Channel, 12-Bit, Configurable ADC/DAC with On-Chip Reference, SPI Interface

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SGM90509 数据手册

8-Channel, 12-Bit, Configurable ADC/DAC

with On-Chip Reference, SPI Interface

SGM90509

ELECTRICAL CHARACTERISTICS

(V_DD= 2.7V to 5.5V, V_REF= 2.5V (internal), R_L= 2kΩ to GND, C_L= 200pF to GND, T_A= -40℃ to +125℃, unless otherwise

noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

ADC Performance (f_IN= 1kHz Sine Wave)

Resolution

Bits

When using the internal ADC buffer, there is a

dead band of 0mV to 5mV

V_REF

Input Range

2 × V_REF

1.97

Integral Nonlinearity

Differential Nonlinearity

Offset Error

INL

-1.74

-1

LSB

DNL

E_O

-14

Gain Error

E_G

-0.26

0.38

250

% FSR

kSPS

Throughput Rate ⁽¹⁾

Track Time ⁽¹⁾

Conversion Time ⁽¹⁾

t_TRACK

t_CONV

500

µs

_DD= 2.7V, input range = 0V to V_REF

-93

-76

-95

Signal-to-Noise Ratio

SNR

V_DD= 3.3V, input range = 0V to V_REF

V_DD= 5.5V, input range = 0V to 2 × V_REF

_DD= 2.7V, input range = 0V to V_REF

Signal-to-Noise + Distortion

Total Harmonic Distortion

Spurious Free Dynamic Range

SINAD V_DD= 3.3V, input range = 0V to V_REF

V_DD= 5.5V, input range = 0V to 2 × V_REF

_DD= 2.7V, input range = 0V to V_REF

THD

V_DD= 3.3V, input range = 0V to V_REF

V_DD= 5.5V, input range = 0V to 2 × V_REF

_DD= 2.7V, input range = 0V to V_REF

SFDR V_DD= 3.3V, input range = 0V to V_REF

V_DD= 5.5V, input range = 0V to 2 × V_REF

f_IN= 1kHz

Channel-to-Channel Isolation

Input Capacitance ⁽²⁾

At -3dB

Full Power Bandwidth

MHz

At -0.1dB

DAC Performance ⁽³⁾

Resolution

Bits

V_REF

2 × V_REF

3.5

Output Range

Integral Nonlinearity

Differential Nonlinearity

Offset Error

INL

DNL

E_O

-4.5

-0.99

-21

LSB

Offset Error Drift ⁽¹⁾

µV/℃

Output range = 0V to V_REF

E_G

-0.7

0.92

0.6

Gain Error

% FSR

Output range = 0V to 2 × V_REF

-0.87

SG Micro Corp

www.sg-micro.com

NOVEMBER 2023

1 2 345 6 7...33

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