MC74HC4046AN datasheet(10/16 Pages) ONSEMI

Part #	MC74HC4046AN

Description	Phase-Locked Loop

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MC74HC4046A

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10

Figure 10. Input Resistance at SIGIN, COMPIN with

∆VI = 1.0 V at Self–Bias Point

Figure 11. Input Current at SIGIN, COMPIN with

∆VI = 500 mV at Self–Bias Point

Figure 12. Offset Voltage at Demodulator Output as

a Function of VCOIN and RS

Figure 13A. Frequency Stability versus Ambient

Temperature: VCC = 3.0 V

800

0

VCC=3.0 V

VCC=4.5 V

VCC=6.0 V

1/2 VCC–1.0 V

1/2 VCC

4.0

–4.0

1/2VCC – 500 mV

VI (V)

1/2 VCC

1/2 VCC + 500 mV

0

6.0

0

3.0

6.0

VCC=4.5 V RS=300 k

VCC=4.5 V RS=50 k

VCC=3.0 V RS=300 k

VCC=3.0 V RS=50 k

DEMOD OUT

15

10

5.0

0

–5.0

–10

–15

–100

–50

0

50

100

150

R1=100 k

Ω

R1=300 k

Ω

R1=3.0 k

Ω

R1=100 k

Ω

R1=300 k

Ω

R1=3.0 k

Ω

VCC = 3.0 V

C1 = 100 pF; R2 =

∞; VVCOIN=1/3 VCC

AMBIENT TEMPERATURE (

°C)

VCC=3.0 V

VCC=4.5 V

VCC=6.0 V

400

VCC=6.0 V RS=300 k

VCC=6.0 V RS=50 k

Figure 13B. Frequency Stability versus Ambient

Temperature: VCC = 4.5 V

Figure 13C. Frequency Stability versus Ambient

Temperature: VCC = 6.0 V

R1=100 k

Ω

R1=300 k

Ω

R1=3.0 k

Ω

15

10

5.0

0

–5.0

–10

–15

–100

–50

0

50

100

150

VCC = 4.5 V

C1 = 100 pF; R2 =

∞; VVCOIN = 1/2 VCC

AMBIENT TEMPERATURE (

°C)

R1=100 k

Ω

R1=3.0 k

Ω

6.0

4.0

0

–2.0

–10

–100

–50

0

50

100

150

VCC = 6.0 V

C1 = 100 pF; R2 =

∞; VVCOIN=1/2 VCC

AMBIENT TEMPERATURE (

°C)

–8.0

–6.0

–4.0

2.0

8.0

10

R1=300 k

Ω

1/2 VCC+1.0 V

VI (V)

VCOIN (V)

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