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 (continued)

(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

1.4

MAX

UNITS

Zero-Code Error

Output range = 0V to V_REF

Output range = 0V to 2 × V_REF

_LOAD= ∞

±0.05

±0.18

±1.14

±1

Total Unadjusted Error

TUE

% FSR

Capacitive Load Stability ⁽¹⁾

R_LOAD= 1kΩ

Resistive Load ⁽²⁾

kΩ

Short-Circuit Current

Due to single channel, full-scale output

change

DC Crosstalk ⁽¹⁾

-4

µV

Ω

DC Output Impedance

0.2

0.02

DAC code = mid-scale,

DC Power Supply Rejection Ratio ⁽¹⁾

Load Impedance at Rails ⁽⁴⁾

PSRR

mV/V

Ω

_DD= 3V ± 10% or 5V ± 10%

_DD= 5V ± 10%, DAC code = mid-scale,

180

-10mA ≤ I_OUT≤ 10mA

Load Regulation

µV/mA

µs

V_DD= 3V ± 10%, DAC code = mid-scale,

-10mA ≤ I_OUT≤ 10mA

150

Power-Up Time

AC Specifications

Slew Rate

Exiting power-down mode, V_DD= 5V

Measured from 10% to 90% of full-scale

¼ scale to ¾ scale settling to 1LSB

0.5

3.6

V/µs

µs

Settling Time

DAC Glitch Impulse

DAC to DAC Crosstalk

Digital Crosstalk

Analog Crosstalk

Digital Feedthrough

nV-sec

1.3

0.1

DAC code = full-scale,

output range = 0V to V_REF

Multiplying Bandwidth

240

210

kHz

DAC code = mid-scale,

output range = 0V to 2 × V_REF

measured at 10kHz

Output Voltage Noise Spectral

Density

nV/√Hz

Signal-to-Noise Ratio

Spurious Free Dynamic Range

Signal-to-Noise + Distortion

Total Harmonic Distortion

Reference Input

SNR

SFDR

SINAD

THD

-77

V_REFInput Voltage

V_DD

DAC output range = 0V to 2 × V_REF

DAC output range = 0V to V_REF

Reference Input Impedance

Reference Output

kΩ

At ambient

2.484

2.498

2.5

2.516

2.502

V_REFOutput Voltage

Factory precision

V_REFTemperature Coefficient

ppm/℃

SG Micro Corp

www.sg-micro.com

NOVEMBER 2023

1 2 3 456 7 8...33

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