Datasheet > LTC1564

LTC1564

更新时间： 2023-12-20 18:44:50

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	183K
描述
10kHz 至 150kHz 数字控制式抗混叠滤波器和 4 位 P.G.A

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LTC1564 数据手册

LTC1564

TYPICAL PERFOR A CE CHARACTERISTICS

U W

Passband Roll-Off at f = f

Passband Gain, Phase

and Group Delay

vs f

–0.25

–0.50

–0.75

500

450

400

350

300

250

200

150

100

= 10kHz

= SINGLE 5V

= 25°C

GAIN

–5

–90

–10

–15

–20

–25

–30

–35

–40

–45

–180

–270

–360

–450

–540

–630

–720

–810

PHASE

–1.00

–1.25

–1.50

GROUP DELAY

130 150

110

(kHz)

FREQUENCY (kHz)

1564 G04

1546 G06

Detail of Stopband Response

Rectangular Pulse Response

Short-Pulse Response

–40

–50

= 10kHz

UNITY GAIN

= ±5V

UNITY GAIN

= ± 5V

= 25°C

–60

–70

INPUT

INPUT, 1V/DIV (PULSE WIDTH 10µs)

–80

–90

OUTPUT, 100mV/DIV

–100

–110

–120

–130

–140

OUTPUT

200µs/DIV

100µs/DIV

1564 G07

FREQUENCY (kHz)

1564 G08

1564 G05

THD + Noise vs Input Voltage

(f = 10kHz)

Triangular-Wave Time Response

SNR vs Input Voltage

140

–20

–30

–40

–50

–60

–70

–80

–90

–100

LIMIT FOR 10V TOTAL SUPPLY

LIMIT FOR 5V TOTAL SUPPLY

= 10kHz

= 1kHz

130

120

110

100

UNITY GAIN

3V SUPPLY

5V SUPPLY

GAIN = 16

= ± 5V

= 100kHz

INPUT

GAIN = 16

= 20kHz

±5V SUPPLY

GAIN = 1

= 100kHz

GAIN = 1

= 20kHz

OUTPUT

PASSBAND INPUT

(f < f )

= 10kHz

= 1kHz

0.001

0.01

0.1

0.001

0.01

0.1

200µs/DIV

INPUT VOLTAGE (V

)

P-P

INPUT VOLTAGE (V

)

1564 G09

P-P

1564 G10

1564 G11

1564fa

1 2 345 6 7...12

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