LTC1069-6_15 datasheet(3/10 Pages) LINER

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LTC1069-6

10696fa

ELECTRICAL CHARACTERISTICS

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2: The input offset voltage is measured with respect to AGND (Pin 1).

The input (Pin 4) is also shorted to the AGND pin. The analog ground pin

potential is internally set to (0.437)(VSUPPLY).

The

l denotes the speciﬁcations which apply over the full operating

temperature range. fCUTOFF is the ﬁlter’s cutoff frequency and is equal to fCLK/50. The fCLK signal level is TTL or CMOS (clock rise or

fall time ≤ 1µs) RL = 10k, VS = 5V, TA = 25°C, unless otherwise speciﬁed. All AC gains are measured relative to the passband gain.

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Gain at fCUTOFF

VS = 5V, fCLK = 200kHz

fTEST = 4.0kHz, VIN = 1VRMS

– 1.50

– 1.65

–0.07

–0.20

–0.25

VS = 3V, fCLK = 200kHz

fTEST = 4.0kHz, VIN = 0.5VRMS

–1.5

–1.7

–0.07

Gain at 1.30fCUTOFF

VS = 5V, fCLK = 200kHz

fTEST = 5.2kHz, VIN = 1VRMS

–42

–40

–39

VS = 3V, fCLK = 200kHz

fTEST = 5.2kHz, VIN = 0.5VRMS

–41

–38

–37

Gain at 2.00fCUTOFF

VS = 5V, fCLK = 200kHz

fTEST = 8.0kHz, VIN = 1VRMS

–66

–61

–60

VS = 3V, fCLK = 200kHz

fTEST = 8.0kHz, VIN = 0.5VRMS

–66

–60

–59

Gain at 0.95fCUTOFF

VS = 5V, fCLK = 400kHz, fTEST = 7.6kHz, VIN = 1VRMS

VS = 3V, fCLK = 400kHz, fTEST = 7.6kHz, VIN = 0.5VRMS

–0.5

0.15

0.5

Output DC Offset (Note 1)

VS = 5V, fCLK = 100kHz

VS = 3V, fCLK = 100kHz

175

135

Output DC Offset Tempco

VS = 5V, VS = 3V

μV/°C

Output Voltage Swing (Note 2)

VS = 5V, fCLK = 100kHz

3.4

3.2

4.2

VP-P

VS = 3V, fCLK = 100kHz

1.6

2.0

VP-P

Power Supply Current

VS = 5V, fCLK = 100kHz

1.2

1.60

1.65

VS = 3V, fCLK = 100kHz

1.40

1.55

Maximum Clock Frequency

VS = 5V

VS = 3V

0.7

MHz

Input Frequency Range

<(fCLK – 2fC)

Input Resistance

kΩ

Operating Supply Voltage (Note 3)

310

Note 3: The input voltage can swing to either rail (V + or ground); the

output typically swings 50mV from ground and 0.8V from V+.

Note 4: The LTC1069-6 is optimized for 3V and 5V operation. Although

the device can operate with a single 10V supply or ±5V, the total harmonic

distortion will be degraded. For single 10V or ±5V supply operation we

recommend to use the LTC1069-1.

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