LTC1655LI データシートの表示（PDF） - Linear Technology

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LTC1655LI

16-Bit Rail-to-Rail Micropower DACs in SO-8 Package

Linear Technology 

LTC1655/LTC1655L

ELECTRICAL CHARACTERISTICS

The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.

VCC = 4.5V to 5.5V (LTC1655), VCC = 2.7V to 5.5V (LTC1655L); VOUT unloaded, REF unloaded, unless otherwise noted.

SYMBOL PARAMETER

Op Amp DC Performance

Short-Circuit Current Low

Short-Circuit Current High

Output Impedance to GND

Output Line Regulation

AC Performance

Voltage Output Slew Rate

Voltage Output Settling Time

Digital Feedthrough

Midscale Glitch Impulse

Output Voltage Noise

Spectral Density

Reference Output

Reference Output Voltage

Reference Input Range

Reference Output Tempco

Reference Input Resistance

Reference Short-Circuit Current

Reference Output Line Regulation

Reference Load Regulation

Reference Output Voltage Noise

Spectral Density

Digital I/O

VIH

Digital Input High Voltage

VIL

Digital Input Low Voltage

VOH

Digital Output High Voltage

VOL

Digital Output Low Voltage

CONDITIONS

VOUT Shorted to GND

LTC1655

q

LTC1655L

q

VOUT Shorted to VCC

LTC1655

q

LTC1655L

q

Input Code = 0

LTC1655

q

LTC1655L

q

Input Code = 65535, with Internal Reference

(Note 4)

q

(Note 4) to 0.0015% (16-Bit Settling Time), VCC = 5V

(Note 4) to 0.012% (13-Bit Settling Time), VCC = 5V

(Note 5)

DAC Switched Between 8000H and 7FFFH

LTC1655, At 1kHz

LTC1655L, At 1kHz

LTC1655

q

LTC1655L

q

(Notes 6, 7) LTC1655

LTC1655L

LTC1655

LTC1655L

LTC1655, REF Overdriven to 2.2V

q

LTC1655L, REF Overdriven to 1.3V

q

q

IOUT = 100µA

q

LTC1655, At 1kHz

LTC1655L, At 1kHz

LTC1655

q

LTC1655L

q

LTC1655

q

LTC1655L

q

LTC1655, IOUT = – 1mA

q

LTC1655L, IOUT = – 1mA

q

LTC1655, IOUT = 1mA

q

LTC1655L, IOUT = 1mA

q

MIN TYP

70

70

80

70

40

70

±0.3 ±0.7

20

10

0.3

12

280

220

2.036

1.240

2.2

1.3

8.5

7.0

2.048

1.250

5

10

13

13

40

150

115

2.4

2.0

VCC – 1.0

VCC – 0.7

MAX

120

140

140

150

120

160

±3

2.060

1.260

VCC / 2

VCC / 2

100

±1.5

5

0.8

0.6

0.4

0.4

UNITS

mA

mA

mA

mA

Ω

Ω

mV/V

V/µs

µs

µs

nV -s

nV-s

nV√Hz

nV√Hz

V

V

V

V

ppm/°C

ppm/°C

kΩ

kΩ

mA

mV/V

mV/A

nV√Hz

nV√Hz

V

V

V

V

V

V

V

V

3

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