LTC6910-2HTS8 datasheet(11/24 Pages) LINER

Part #	LTC6910-2HTS8

Description	Digitally Controlled Programmable Gain Amplifiers in SOT-23

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Manufacturer	LINER [Linear Technology]

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LTC6910-1

LTC6910-2/LTC6910-3

11

6910123fa

TYPICAL PERFOR A CE CHARACTERISTICS

LTC6910-1 Output Voltage Swing

vs Load Current

TEMPERATURE (

°C)

–0.2

–0.1

0

0.1

0.2

6910 G01

–50

0

50

150

100

GAIN = 100

GAIN = 10

GAIN = 1

VS = ± 2.5V

OUTPUT UNLOADED

FREQUENCY (Hz)

10

30

50

0

20

40

100

10k

100k

1M

10M

6910 G02

–10

1k

GAIN OF 100

GAIN OF 1

GAIN OF 2

GAIN OF 5

GAIN OF 10

GAIN OF 20

GAIN OF 50

VS = ±5V, VIN = 5mVRMS

GAIN

1

0

2.0

4.0

8.0

•

7.5

7.0

6.5

5.5

5.0

4.5

3.5

3.0

2.5

1.5

1.0

0.5

10

100

6910 G03

6.0

VIN = 5mVRMS

VS = 2.7V

VS = ±5V

•

••

•

LTC6910-1 Frequency Response

LTC6910-1 –3dB Bandwidth

vs Gain Setting

LTC6910-1 Power Supply

Rejection vs Frequency

LTC6910-1 Noise Density

vs Frequency

OUTPUT CURRENT (mA)

+VS

–VS

0.01

1

10

100

6910 G04

0.1

+VS – 0.5

–VS + 0.5

+VS – 1.0

–VS + 1.0

+VS – 1.5

–VS + 1.5

+VS – 2.0

–VS + 2.0

VS = ±2.5V

125

°C

25

°C

–40

°C

SOURCE

SINK

FREQUENCY (kHz)

20

80

90

10

0

70

40

60

50

30

0.1

10

100

1000

6910 G05

1

+SUPPLY

–SUPPLY

VS = ±2.5V

GAIN = 1

FREQUENCY (kHz)

1

10

100

6910 G06

1

10

100

GAIN = 1

GAIN = 10

GAIN = 100

INPUT-REFERRED

VS = ±2.5V

TA = 25°C

LTC6910-1 Distortion with Light

Loading (RL = 10k)

LTC6910-1 THD + Noise

vs Input Voltage

FREQUENCY (kHz)

0

–60

–50

–30

150

6910 G07

–70

–80

50

100

GAIN = 100

GAIN = 10

GAIN = 1

200

–90

–100

–40

0.1

0.3

3

0.03

0.01

0.003

0.001

1

VS = ±2.5V

VOUT = 1VRMS (2.83VP-P)

THD MEASURES HD2 AND HD3

FREQUENCY (kHz)

0

–60

–50

–30

150

6910 G08

–70

–80

50

100

GAIN = 100

GAIN = 10

GAIN = 1

200

–90

–100

–40

0.1

0.3

3

0.03

0.01

0.003

0.001

1

VS = ±2.5V

VOUT = 1VRMS (2.83VP-P)

THD MEASURES HD2 AND HD3

INPUT VOLTAGE (VP-P)

0.01

–60

–50

–40

–30

–20

0.1

1

10

6910 G09

–70

–80

–100

–110

–90

fIN = 1kHz

VS = ±5V

NOISE BW = 22kHz

GAIN SETTING = 100

GAIN SETTING = 10

GAIN SETTING = 1

LTC6910-1 Distortion with Heavy

Loading (RL = 500Ω)

LTC6910-1 Gain Shift

vs Temperature

(LTC6910-1)

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LTC6910-2HTS8 Datasheet(PDF) 11 Page - Linear Technology

LTC6910-2HTS8 Datasheet(HTML) 11 Page - Linear Technology

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