Datasheet > AFE88101RRUR

AFE88101RRUR

更新时间： 2023-09-03 20:33:50

品牌	Logo	应用领域
德州仪器 - TI		传感器
页数	文件大小	规格书
87页	4365K
描述
适用于传感器和现场变送器应用的单通道、低功耗、16 位 DAC \| RRU \| 24 \| -55 to 125

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AFE88101RRUR 数据手册

AFE78101, AFE88101

ZHCSP80 –DECEMBER 2022

www.ti.com.cn

6.5 Electrical Characteristics (continued)

all minimum and maximum values at T_A= –40°C to +125°C and all typical values at T_A= 25°C, PVDD = VDD = IOVDD =

1.8 V, external or internal VREFIO = 1.25 V, R_LOAD= 50 kΩto GND, C_LOAD= 100 pF to GND, and digital inputs at IOVDD or

GND (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOUT DAC OUTPUT CHARACTERISTICS

RANGE = 0, PVDD = VDD

0.15

0.2

1.25

1.0

RANGE = 1, PVDD = VDD

Output voltage range

RANGE = 0, PVDD > 2.7 V, VDD generated

RANGE = 1, PVDD > 2.7 V, VDD generated

PVDD > 2.7 V, VDD internally generated

PVDD = VDD

0.3

2.5

0.4

2.0

2.5

1.25

0.3

+6%

+5%

–6%

–5%

VOUT alarm output high

VOUT alarm output low

PVDD > 2.7 V, VDD internally generated

PVDD = VDD

0.15

R_LOAD

C_LOAD

Resistive load⁽²⁾

Capacitive load⁽²⁾

Load regulation

kΩ

100

µV/mA

DAC at midscale, –1 mA ≤I_OUT≤+1 mA

Full scale output shorted to GND

Zero output shorted to VDD

Short-circuit current

Output voltage headroom to PVDD

Output voltage footroom to GND

DAC at full code, I_OUT= 1 mA (sourcing)

DAC at zero code, I_OUT= 1 mA (sinking)

DAC at midscale

200

500

0.1

±5

mΩ

Z_O

DC small signal output impedance

Output Hi-Z

kΩ

Power supply rejection ratio (dc)

DAC at midscale; PVDD = 1.8 V ± 10%

T_A= 35°C, VOUT = midscale, ideal VREF

mV/V

ppm FSR

Output voltage drift vs time, 1000 hours

DIAGNOSTIC ADC

PVDD = VDD

PVDD > 2.7 V

1.25

2.5

Input voltage range

Resolution

±0.2

±1

Bits

LSB

%FSR

LSB

DNL

INL

Differential nonlinearity

Integral nonlinearity

Offset error

Specified 12-bit monotonic

After calibration

–1

–4

±1.6

±0.13

±4

0.8

–10

–0.8

Gain error

Noise

Input capacitance

Input bias current

Acquisition time

Conversion time

Conversion rate

Temperature sensor accuracy

ADC not converting

3.84

–50

µs

210

µs

kSPS

°C

INTERNAL OSCILLATOR

Frequency

1.2165

1.2288

1.2411

MHz

T_A= –40°C to +125°C

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