ADF4377 datasheet(56/79 Pages) AD

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Data Sheet

ADF4377

analog.com

Rev. 0 | 56 of 79

Table 60. Bit Descriptions for REG0015

Bits

Bit Name

Description

Reset

Access

[7:6]

BLEED_I[1:0]

Charge Pump Bleed Current, 10 Bits in REG0015 and REG0016. Refer to the Charge Pump Bleed Current

section. Double buffering option.

0x0

R/W

BLEED_POL

Charge Pump Bleed Current Polarity.

0x0

R/W

0: sink current. Increases reference input to clock output propagation delay.

1: source current. Decreases reference input to clock output propagation delay.

EN_BLEED

Enable Charge Pump Bleed Current.

0x0

R/W

0: disabled.

1: enabled.

[3:0]

CP_I

Charge Pump Current.

0x0

R/W

0000: 0.79 mA.

0001: 0.99 mA.

0010: 1.19 mA.

0011: 1.38 mA.

0100: 1.59 mA.

0101: 1.98 mA.

0110: 2.39 mA.

0111: 2.79 mA.

1000: 3.18 mA.

1001: 3.97 mA.

1010: 4.77 mA.

1011: 5.57 mA.

1100: 6.33 mA.

1101: 7.91 mA.

1110: 9.51 mA.

1111: 11.1 mA.

Address: 0x16, Reset: 0x00, Name: REG0016

Figure 124.

Table 61. Bit Descriptions for REG0016

Bits

Bit Name

Description

Reset

Access

[7:0]

BLEED_I[9:2]

Charge Pump Bleed Current, 10 Bits in REG0015 and REG0016. Refer to the Charge Pump Bleed Current

section. Double buffering option.

0x0

R/W

Address: 0x17, Reset: 0x00, Name: REG0017

Figure 125.

Table 62. Bit Descriptions for REG0017

Bits

Bit Name

Description

Reset

Access

INV_CLKOUT

Clock Output Invert. Double buffering option.

0x0

R/W

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