ADCMP572 datasheet(3/16 Pages) AD

Numer części	ADCMP572

Szczegółowy opis	Ultrafast 3.3 V Single-Supply Comparators

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Preliminary Technical Data

ADCMP572/ADCMP573

Rev. PrB | Page 3 of 16

ELECTRICAL CHARACTERISTICS

VCCI = VCCO = 3.3 V, TA = 25°C, unless otherwise noted.

Table 1.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

DC INPUT CHARACTERISTICS

Input Voltage Range

VP, VN

VCCI = 3.3 V, VCCO = 3.3 V

−0.2

+1.2

V

VCCI = 5.2 V, VCCO = 3.3 V

−0.2

+3.2

V

Input Differential Voltage

−1.2

+1.2

V

Input Offset Voltage

VOS

−5.0

±2.0

+5.0

mV

Offset Voltage Tempco

∆V

OS

/dT

10.0

µV/°C

Input Bias Current

IP, IN

Open termination

−50.0

−25.0

0.0

µA

Input Bias Current Tempco

50.0

nA/°C

Input Offset Current

−5.0

±2.0

+5.0

µA

Input Capacitance

CP, CN

TBD

pF

Input Impedance

47.5

50

52.5

Ω

Input Resistance, Differential Mode

Open termination

50

kΩ

Input Resistance, Common Mode

Open termination

500

kΩ

Active Gain

AV

54

dB

VCCI = 3.3 V, VCCO = 3.3 V,

VCM = 0.0 V to 1.0 V

50

dB

Common-Mode Rejection

CMRR

VCCI = 5.2 V, VCCO = 3.3 V,

VCM = 0.0 V to 3.0 V

40

dB

Hysteresis

RHYS =

∞

±1

mV

LATCH ENABLE CHARACTERISTICS

ADCMP572

Latch Enable Input Range

2.8

VCCO+0.2

V

Latch Enable Input Differential

0.2

0.4

0.5

V

Latch Setup Time

tS

VOD = 100 mV

15

ps

Latch Hold Time

tH

VOD = 100 mV

0

ps

ADCMP573

Latch Enable Input Range

1.8

VCCO−0.6

V

Latch Enable Input Differential

0.2

0.4

0.5

V

Latch Setup Time

tS

VOD = 100 mV

0

ps

Latch Hold Time

tH

VOD = 100 mV

50

ps

Latch Enable Input Impedance

47.5

50.0

52.5

Ω

Latch to Output Delay

tPLOH,

tPLOL

VOD = 100 mV

150

ps

Latch Minimum Pulse Width

tPL

VOD = 100 mV

100

ps

DC OUTPUT CHARACTERISTICS

ADCMP572 (CML)

Output Impedance

ZOUT

−8 mA < I OUT < 8 mA

47.5

50.0

52.5

Ω

Output Voltage High Level

VOH

50 Ω terminate to VCCO

VCCO−0.10

VCCO−0.05

VCCO

V

Output Voltage Low Level

VOL

50 Ω terminate to VCCO

VOH−0.45

VOH−0.40

VOH−0.35

V

Output Voltage Differential

50 Ω terminate to VCCO

350

400

450

mV

Temperature Coefficient, VOH

∆V

OH

/dT

50 Ω terminate to VCCO

TBD

mV/°C

Temperature Coefficient, VOL

∆V

OL

/dT

50 Ω terminate to VCCO

TBD

mV/°C

ADCMP573 (RSPECL)

Output Voltage High Level

VOH

50 Ω terminate to VCCO−2.0

VCCO−0.90

VCCO−0.80

VCCO−0.70

V

Output Voltage Low Level

VOL

50 Ω terminate to VCCO−2.0

VOH−0.45

VOH−0.40

VOH−0.35

V

Output Voltage Differential

50 Ω terminate to VCCO−2.0

350

400

450

mV

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