LTC1560-1 datasheet(2/8 Pages) LINER

Part #	LTC1560-1

Description	1MHz/500kHz Continuous Time, Low Noise, Lowpass Elliptic Filter

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC1560-1

sn15601 15601fs

ABSOLUTE MAXIMUM RATINGS

PACKAGE/ORDER INFORMATION

Total Supply Voltage (V + to V –) ............................. 12V

Power Dissipation ............................................. 400mW

Burn-In Voltage ...................................................

±5.5V

Operating Temperature Range

LTC1560-1C ........................................... 0

°C to 70°C

LTC1560-1I ....................................... – 40

°C to 85°C

Maximum Junction Temperature ......................... 150

°C

Storage Temperature Range ................. – 65

°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300

°C

ORDER PART

NUMBER

LTC1560-1CS8

LTC1560-1IS8

The q denotes specifications which apply over the full operating

temperature range.

Note 1: To properly measure high frequency characteristics of the filter, a

noninverting output buffer is recommended as shown on the demo board

connection diagram, Figure 2. A small resistor (e.g. 100

Ω) can also be

used instead of the buffer to isolate any high capacitive load (CL > 10pF)

from the filter output.

Note 2: The stopband gain at 2.44MHz is guaranteed by design.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Operating Supply Voltage Range

±4.5

±5.0

±5.5

V

Passband Gain (fCUTOFF = 1MHz)

VIN = 0.5VRMS,fIN = 20kHz

0.17

dB

fIN = 100kHz

q

– 0.3

0.18

0.6

dB

fIN = 300kHz

0.08

dB

fIN = 550kHz (Gain Relative to 100kHz)

q

– 0.35

0.05

0.3

dB

fIN = 850kHz (Gain Relative to 100kHz)

q

– 0.8

– 0.3

0

dB

fIN = 950kHz (Gain Relative to 100kHz)

q

– 3.0

0.6

0.5

dB

fIN = fCUTOFF = 1MHz (Gain Relative to 100kHz)

q

– 5.0

– 1.0

1.0

dB

Transition Band Gain (Note 1)

VIN = 0.5VRMS,fIN = 1.4MHz

q

–24

–18

dB

fIN = 1.9MHz

– 42

dB

fIN = 2.0MHz

– 51

dB

Stopband Gain (fCUTOFF = 1MHz) (Note 2)

fIN = 2.44MHz

q

–70

– 65

dB

fIN = 3.0MHz

– 68

dB

fIN = 6.0MHz

– 66.1

dB

Passband Gain (fCUTOFF = 500kHz)

fIN = 100kHz, Pin 5 = 5V

0.14

dB

fIN = fCUTOFF = 500kHz

q

– 4

– 1.6

0.5

dB

fIN = 1.4MHz

– 45

dB

Output Voltage Swing

RL = 5k

±2.20

±3V

RL = 5k

q

±1.75

V

Output DC Offset (VOS)

±250

mV

Power Supply Current (IS)

q

22

29

mA

Power Supply Current in Shutdown Mode

Pin 7 at 5V

1

mA

Total Output Noise

VIN (Pin 2) Tied to Ground, fCUTOFF = 1MHz, BW = 2MHz

350

µVRMS

VIN (Pin 2) Tied to Ground, fCUTOFF = 0.5MHz, BW = 1MHz

322

µVRMS

Total Harmonic Distortion (THD)

VIN = 1VRMS, fIN = 200kHz, fCUTOFF = 1MHz, BW = 1MHz

– 63

dB

fIN = 300kHz, fCUTOFF = 1MHz, BW = 1MHz

– 61

dB

fIN = 1MHz, fCUTOFF = 1MHz, BW = 2MHz

– 62

dB

fIN = 300kHz, fCUTOFF = 0.5MHz, BW = 1MHz

– 62

dB

fIN = 500kHz, fCUTOFF = 0.5MHz, BW = 1MHz

– 63

dB

Input Resistance (RIN)

q

68

10

k

Ω

ELECTRICAL CHARACTERISTICS

VS = ±5V, TA = 25°C, Pin 5 = – 5V (fCUTOFF = 1MHz), Pin 7 = 0V unless otherwise specified.

S8 PART MARKING

15601

15601I

Consult factory for Military grade parts.

TJMAX = 150°C, θJA = 125°C/ W

1

2

3

4

8

7

6

5

TOP VIEW

VOUT

SHDN

V +

GND

VIN

GND

V –

S8 PACKAGE

8-LEAD PLASTIC SO

0.5fC/fC

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