THS3112CD datasheet(4/35 Pages) TI1

Part #	THS3112CD

Description	LOW-NOISE, HIGH-SPEED, CURRENT FEEDBACK AMPLIFIERS

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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4 / 35 page

THS3112

THS3115

SLOS385C – SEPTEMBER 2001 – REVISED SEPTEMBER 2010

www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

Over operating free-air temperature range, TA = +25°C, VCC = ±15 V, RF = 750 Ω, and RL = 100 Ω (unless otherwise noted).

DC PERFORMANCE

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TA = +25°C

6

10

Input offset voltage

TA = full range

13

mV

VIO

VCC = ±5 V, VCC = ±15 V

TA = +25°C

1

3

Channel offset voltage matching

TA = full range

4

Offset drift

TA = full range

10

µV/°C

TA = +25°C

23

IN- Input bias current

TA = full range

30

IIB

VCC = ±5 V, VCC = ±15 V

µA

TA = +25°C

0.33

2

IN+ Input bias current

TA = full range

3

TA = +25°C

4

22

IIO

Input offset current

VCC = ±5 V, VCC = ±15 V

µA

TA = full range

30

ZOL

Open-loop transimpedance

VCC = ±5 V, VCC = ±15 V

RL = 1 kΩ

1

M

Ω

INPUT CHARACTERISTICS

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VCC = ±5 V

±2.5

±2.7

TA = full

VICR

Input common-mode voltage range

V

range

VCC= ±15 V

±12.5

±12.7

TA = +25°C

56

62

VCC = ±5 V,

TA = full

VI = –2.5 V to 2.5 V

54

range

CMRR

Common-mode rejection ratio

dB

TA = +25°C

63

67

VCC = ±15 V,

TA = full

VI = –12.5 V to 12.5 V

60

range

IN+

1.5

M

Ω

RI

Input resistance

IN–

15

Ω

CI

Input capacitance

2

pF

OUTPUT CHARACTERISTICS

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RL = 1 kΩ

TA = +25°C

3.9

TA = +25°C

3.6

3.8

G = 4,

VI = 1 V, VCC = ±5 V,

V

RL = 100Ω

TA = full

3.4

range

VO

Output voltage swing

RL = 1 kΩ

TA = +25°C

13.5

TA = +25°C

12.2

13.3

G = 4,

VI = 3.4 V, VCC= ±15 V,

V

RL = 100Ω

TA = full

12

range

G = 4,

VI = 0.9 V, VCC= ±5 V,

RL = 25 Ω

TA = +25°C

100

130

mA

IO

Output current drive

G = 4,

VI = 1.7 V, VCC = ±15 V,

RL = 25 Ω

TA = +25°C

175

270

mA

ro

Output resistance

Open loop

14

Ω

4

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