6

LT5524

5524f

ICC Shutdown Current vs VCC,

EN = 0.6V

TYPICAL PERFOR A CE CHARACTERISTICS Two tones, 200kHz spacing, T

A = 25°C, EN = 3V,

VCC = 5V, VCCO = 5V, control input levels VIL = 0.6V, VIH = 3V unless otherwise noted. (Test circuit shown in Figure 10)

INPUT VCC (V)

4.5

50

60

70

25°C

85°C

–40°C

5.3

5524 G16

40

30

4.7

4.9

5.1

5.5

20

10

0

Total ICC vs Attenuation Step

Single-Ended Output Current

vs Attenuation Step

VIN(BIAS) vs Attenuation Step

Noise Figure vs Frequency

FREQUENCY (MHz)

0

7.0

7.5

8.0

8.5

9.0

100

200

300

400

5524 G09

9.5

10.0

50

150

250

350

MAX GAIN

1.5dB ATTENUATION STEP

(PGA0 = LOW)

3dB ATTENUATION STEP

(PGA1 = LOW)

NF vs Attenuation Step at

Freq = 100MHz

ATTENUATION STEP (dB)

0

18

24

30

15

5524 G10

12

6

15

21

27

9

3

0

3

6

9

12

18

21

Output Noise Floor vs Attenuation

Step, Freq = 100MHz, ROUT = 200Ω

ATTENUATION STEP (dB)

0

–142

–141

–140

–139

–138

–136

3

69

12

5524 G11

18

15

21

–137

PGA1 = HIGH

PGA1 = LOW

Pulse Response vs Output Level at

Max Gain. Indicated Voltage Levels

are into 50Ω External Load

2ns/DIV

5524 G12

2VP-P

1.5VP-P

1VP-P

INPUTS

COUT = 0.82pF

ATTENUATION STEP (dB)

0

65

68

70

73

75

80

3

69

12

5524 G15

15

18

21

78

85°C

25°C

–40°C

ATTENUATION STEP (dB)

0

19.0

20.0

19.5

20.5

21.0

3

69

12

5524 G13

15

18

21

85°C

25°C

–40°C

ATTENUATION STEP (dB)

0

1.40

1.50

1.45

1.55

1.60

3

69

12

5524 G14

15

18

21

85°C

25°C

–40°C