STCD24-0 datasheet(28/39 Pages) STMICROELECTRONICS

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DC and AC parameters

STCD22x0, STCD23x0, STCD24x0

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Doc ID 15400 Rev 2

DC and AC parameters

This section summarizes the operating measurement conditions, and the DC and AC

characteristics of the device. The parameters in the DC and AC characteristics tables that

follow are derived from tests performed under the measurement conditions summarized in

Table 9. Designers should check that the operating conditions in their circuit match the

operating conditions when relying on the quoted parameters.

Table 9.

Operating and AC measurement conditions

Parameter

Condition

Unit

VCC supply

2.5 to 5.1

Input source clock voltage (MCLK)

0 to 1.8

Output clock voltage (CLK1-4)

0 to 1.8

Device enable voltage (EN1-4)

0 to 1.8

Source clock request voltage (MCREQ)0 to 1.8

Optional pins voltage (OPT1, OPT2)

0 to VCC

Ambient operating temperature (TA)

–20 to +85

°C

Flip-chip thermal resistance (Rthja)90

°C/W

Table 10.

DC and AC characteristics

Sym.

Parameter

Condition(1)

Min

Typ

Max

Unit

VTCXO (low dropout output)

VCC

Supply voltage

2.5

5.1

VTCXO

Output voltage

ILOAD = 5 mA

1.75

1.8

1.85

Maximum output current

VOACC

Total output accuracy(2)

–5%

ICL

Current limit protection

VTCXO = 0 V

VREG

Line regulation(3)

ILOAD = 20 mA

0.5

IREG

Load regulation(3)

ILOAD = 10 µA to 20 mA

0.4

ITR

Load transient(3)

ILOAD = 10 µA to 20 mA

ITR = 1 µs

100

110

ILOAD = 20 mA to 10 µA

ITR = 1 µs

100

110

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