Datasheet > LTC2634IMSE-LZ8TRPBF

LTC2634IMSE-LZ8TRPBF

更新时间： 2022-12-28 23:43:58

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
28页	377K
描述
Quad 12-/10-/8-Bit Rail-to-Rail DACs with 10ppm/°C Reference

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LTC2634

ELECTRICAL CHARACTERISTICS ^Thel denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at T_A= 25°C. V_CC= 2.7V to 5.5V, V_OUTunloaded unless otherwise speciﬁed.

LTC2634-LMI12/-LMI10/-LMI8/-LMX12/-LMX10/-LMX8/-LZ12/-LZ10/-LZ8 (V_FS= 2.5V)

SYMBOL PARAMETER

Reference Input

CONDITIONS

MIN

TYP

MAX

UNITS

REF

Input Voltage Range

Resistance

kΩ

120

160

200

Capacitance

Reference Current, Power-Down Mode

DAC Powered Down

0.005

0.1

μA

REF

Reference Output

Output Voltage

1.24

1.25

1.26

ppm/°C

kΩ

Reference Temperature Coefﬁcient

Output Impedance

0.5

Capacitive Load Driving

Short-Circuit Current

μF

= 5.5V, REF Shorted to GND

2.5

Digital I/O

Digital Input High Voltage

Digital Input Low Voltage

= 3.6V to 5.5V

= 2.7V to 3.6V

2.4

2.0

= 4.5V to 5.5V

= 2.7V to 4.5V

0.8

0.6

Digital Output High Voltage

Digital Output Low Voltage

Digital Input Leakage

Load Current = –100μA

Load Current = 100μA

– 0.4

0.4

= GND to V

μA

Digital Input Capacitance

(Note 8)

2.5

AC Performance

Settling Time

= 3V (Note 9)

0.39% ( 1LSꢀ at 8 ꢀits)

0.098% ( 1LSꢀ at 10 ꢀits)

0.024% ( 1LSꢀ at 12 ꢀits)

3.3

3.8

4.2

μs

Voltage Output Slew Rate

Capacitive Load Driving

Glitch Impulse

1.0

500

2.1

320

V/μs

At Mid-Scale Transition

nV•s

kHz

DAC-to-DAC Crosstalk

Multiplying ꢀandwidth

Output Voltage Noise Density

1 DAC Held at FS, 1 DAC Switch 0 – FS

External Reference

At f = 1kHz, External Reference

At f = 10kHz, External Reference

At f = 1kHz, Internal Reference

At f = 10kHz, Internal Reference

180

160

200

180

nV/√Hz

Output Voltage Noise

0.1Hz to 10Hz, External Reference

0.1Hz to 10Hz, Internal Reference

0.1Hz to 200kHz, External Reference

0.1Hz to 200kHz, Internal Reference

680

730

μV

P-P

= 0.1μF

REF

2634f

1...3 4 567 8 9...28

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