ISL4485E datasheet(34/44 Pages) INTERSIL

Part #	ISL4485E

Description	Providing high-performance solutions for every link in the signal chain

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Manufacturer	INTERSIL [Intersil Corporation]

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34

Intersil Signal Path Products  2012  www.intersil.com

Input Noise Voltage Spectral Density

FREQUENCY (Hz)

1

10

100

1

10

100

1k

10k

100k

Features and benefits

• Full dielectric isolation (DI) and high ESD cells (>4kV ESD

HBM) provide highly robust inputs compared to older

process amplifiers.

• Thin film resistors and fuse-link trim cells offer very low

offset voltages (Figure 2)

Features

• Very Low Voltage Noise.........................................2.5nV/√Hz

• Low Input Offset....................................................70μV, Max.

• Superb Offset Drift ........................................0.5μV/°C, Max.

• Wide Supply Range..............................................4.5V to 40V

• Gain-bandwidth Product................10MHz Unity Gain Stable

• Outstanding ESD Performance

- Human Body Model: 4.0kV

Precision high voltage op amps were developed on

Intersil’s new PR40 process. PR40 is a new precision

process that enables Intersil to develop competitive

precision high voltage amplifiers. Key features of the

new process are full DI, complementary bipolar, low

noise, well-matched Super-beta transistors, P-channel

JFET, high breakdown voltage (>44V), high density

capacitors, Thin Film resistors, fuse-link trim cells, and

high ESD cells. (Figure 1)

Intersil’s ISL28127 is a high voltage precision op amp,

delivering low frequency noise, low distortion, ultra low

offset and low drift offset.

Figure 1 Cross-section drawing of PR40 NPN and PNP devices

Figure 2

Ultra Low Noise: 2.5nV/√Hz @ 1kHz

1/F noise corner at 5Hz

Part Number

Supply

Voltage (V)

Rail-To-Rail

Vos

Max @

25°C

TCVos

Typ

Ib Max

@

25°C

CMRR

min @

25°C

PSRR

min @

25°C

Av

min @

25°C

Is Max

@

25°C

GBW

Slew

Rate

Noise

0.1 to

10Hz

Voltage

Noise @

1kHz

Current

Noise @

1kHz

Single

Dual

Quad

Min Max

In

Out

µV

µV/°C

nA

dB

mA

MHz

V/µs

µVpp

nV/√Hz

fA/√Hz

ISL28117B ISL28217B ISL28417B 4.5

40

No

50

0.14

1

120

129.5

0.53

1.5

0.5

0.25

8

100

ISL28127 ISL28227

4.5

40

No

70

0.1

10

115

120

2.8

10

3.6

0.085

2.5

400

ISL28107 ISL28207

ISL28407

4.5

40

No

75

0.1

0.3

115

129.5

0.29

1

0.32

0.34

13

53

ISL28117C ISL28217C ISL28417C 4.5

40

No

100

0.14

1

120

129.5

0.53

1.5

0.5

0.25

8

100

ISL28118

ISL28218

3

40

Single Supply Yes

230

0.3

575

103

109

124.7

1.1

4

1.2

0.3

5.6

355

ISL28177

4.5

40

No

150

0.5

1

120

115

120

1.4

0.6

0.2

0.38

9.5

87

ISL28108 ISL28208

ISL28408

3

40

Single Supply Yes

250

0.1

43

105

110

117

0.25

1.2

0.45

0.58

15.8

80

ISL28110

ISL28210

9

40

No

300

1

0.002

88

102

104

2.9

12.5

23

0.6

6

9

ISL28325

ISL28345

5

40

No

1000

4

5

80

100

0.7

1.2

0.4

9

100

ISL28217

0

20

40

60

80

100

120

140

-50

-30

-10

10

30

50

VOS (µV)

40V Low Noise, Precision Bipolar Op Amp: ISL28127

New Wave of Amplifiers

From PR40-Precision-SOI

Advance Bipolar Process

Precision High Voltage Op

Amps were Developed on

Intersil’s New PR40 Process

20% Lower Noise at 30% Less Power Than

Competition

PR40 Process

Low Offset Voltage

► High Voltage Ultra Precision

Evalboard

Available!

Evalboard

Available!

Bond Ox

NBL

PBL

N- collector

NPN

PNP

NSink

PSink

P-collector

Deep Trench

NBase

PBase

N+emit

P+emit

M2

Passivation

M1

Similar Part No. - ISL4485E

Manufacturer	Part #	Datasheet	Description
Intersil Corporation	ISL4485E	403Kb / 11P	짹15kV ESD Protected, 20Mbps, 5V, Low Power, RS-485/RS-422 Transceiver
Renesas Technology Corp	ISL4485E	620Kb / 11P	짹15kV ESD Protected, 20Mbps, 5V, Low Power, RS-485/RS-422 Transceiver
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