LTC1069-6 datasheet(3/8 Pages) LINER

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LTC1069-6

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.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Gain at 2.00fCUTOFF

VS = 5V, fCLK = 200kHz

–66

–61

fTEST = 8.0kHz, VIN = 1VRMS

–66

–60

VS = 3V, fCLK = 200kHz

–66

–60

fTEST = 8.0kHz, VIN = 0.5VRMS

–66

–59

Gain at 0.95fCUTOFF

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

– 0.5

0.15

0.5

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

– 0.5

0.5

Output DC Offset (Note 1)

VS = 5V, fCLK = 100kHz

175

VS = 3V, fCLK = 100kHz

135

Output DC Offset Tempco

VS = 5V, VS = 3V

µV/°C

Output Voltage Swing (Note 2)

VS = 5V, fCLK = 100kHz

3.4

4.2

VP-P

3.2

4.2

VP-P

VS = 3V, fCLK = 100kHz

1.6

2.0

VP-P

1.5

2.0

VP-P

Power Supply Current

VS = 5V, fCLK = 100kHz

1.2

1.60

1.65

VS = 3V, fCLK = 100kHz

1.0

1.40

1.55

Maximum Clock Frequency

VS = 5V

1.0

MHz

VS = 3V

0.7

MHz

Input Frequency Range

<(fCLK – 2fC)

Input Resistance

Ω

Operating Supply Voltage (Note 3)

310

FREQUENCY (kHz)

–80

–78

–74

–72

–70

–60

–66

1069-6 G03

–76

–64

–62

–68

100

VS = SINGLE 3V

fCLK = 500kHz

fCUTOFF = 10kHz

VIN = 0.5VRMS

Transition Band Gain vs Frequency

FREQUENCY (kHz)

–30

–10

1069-6 G02

–50

–70

–40

–20

–60

–80

–90

VS = SINGLE 3V

fCLK = 500kHz

fCUTOFF = 10kHz

VIN = 0.5VRMS

Stopband Gain vs Frequency

FREQUENCY (kHz)

1069-6 G01

–1

–2

VS = SINGLE 3V

fCLK = 500kHz

fCUTOFF = 10kHz

VIN = 0.5VRMS

Passband Gain vs Frequency

The q denotes specifications which apply over the full operating

temperature range.

Note 1: 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).

Note 2: The input voltage can swing to either rail (V + or ground); the

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

Note 3: 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.

TYPICAL PERFORMANCE CHARACTERISTICS

ELECTRICAL CHARACTERISTICS

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