Data Sheet

HMC832

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

VCO CHARACTERISTICS

VCO Tuning Sensitivity

2800 MHz

Measured with 1.5 V on VTUNE; see Figure 29

24.6

MHz/V

2400 MHz

Measured with 1.5 V on VTUNE; see Figure 29

25.8

MHz/V

2000 MHz

Measured with 1.5 V on VTUNE; see Figure 29

25.2

MHz/V

1600 MHz

Measured with 1.5 V on VTUNE; see Figure 29

24.3

MHz/V

VCO Supply Pushing

Measured with 1.5 V on VTUNE

2.8

MHz/V

1

Measured with 100 Ω external termination. See Reference Input Stage section for more details.

2

Slew rate of ≥0.5 ns/V is recommended, see Reference Input Stage section for more details. Frequency is guaranteed across process voltage and temperature from

−40°C to +85°C.

3

This maximum PD frequency can only be achieved if the minimum N value is respected. For example, in the case of fractional mode, the maximum PD frequency =

4

For detailed current consumption information, refer to Figure 33 and Figure 36.

5

Gain setting = 6 (VCO_REG 0x07[3:0] = 6d) in high performance mode (VCO_REG 0x03[1:0] = 3d).

TIMING SPECIFICATIONS

SPI Write Timing Characteristics

AVDD = DVDD = 3 V, AGND = DGND = 0 V.

Table 2. SPI Write Timing Characteristics, See Figure 47

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

SDI setup time to SCLK rising edge

3

ns

SCLK rising edge to SDI hold time

3

ns

SEN low duration

10

ns

SEN high duration

10

ns

10

ns

Recovery time

20

ns

Maximum serial port clock speed

50

MHz

Table 3. SPI Read Timing Characteristics, See Figure 48

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

SDI setup time to SCK rising edge

3

ns

SCK rising edge to SDI hold time

3

ns

SEN low duration

10

ns

SEN high duration

10

ns

SCK rising edge to SDO time

8.2 ns + 0.2 ns/pF

ns

Recovery time

10

ns

10

ns

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