LTM9002 datasheet(5/32 Pages) LINER

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LTC2159

2159f

DynaMic accuracy The

denotes the specifications which apply over the full operating temperature range,

otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

SFDR

Spurious Free Dynamic Range

4th Harmonic or Higher

5MHz Input

30MHz Input

70MHz Input

140MHz Input

dBFS

S/(N+D)

Signal-to-Noise Plus Distortion Ratio

5MHz Input

30MHz Input

70MHz Input

140MHz Input

74.9

76.9

76.8

76.5

76.4

dBFS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCM Output Voltage

IOUT = 0

0.5•VDD – 25mV

0.5•VDD 0.5•VDD + 25mV

VCM Output Temperature Drift

±25

ppm/°C

VCM Output Resistance

–600µA < IOUT < 1mA

VREF Output Voltage

IOUT = 0

1.225

1.250

1.275

VREF Output Temperature Drift

±25

ppm/°C

VREF Output Resistance

–400µA < IOUT < 1mA

VREF Line Regulation

1.7V < VDD < 1.9V

0.6

mV/V

inTernal reFerence characTerisTics The

denotes the specifications which apply over the

full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)

DigiTal inpuTs anD ouTpuTs The

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. (Note 5)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

ENCODE INPUTS (ENC+, ENC–)

DIFFERENTIAL ENCODE MODE (ENC– NOT TIED TO GND)

VID

Differential Input Voltage

(Note 8)

0.2

VICM

Common Mode Input Voltage

Internally Set

Externally Set (Note 8)

1.1

1.2

1.6

VIN

Input Voltage Range

ENC+, ENC– to GND

0.2

3.6

RIN

Input Resistance

(See Figure 10)

kΩ

CIN

Input Capacitance

(Note 8)

3.5

SINGLE-ENDED ENCODE MODE (ENC– TIED TO GND)

VIH

High Level Input Voltage

VDD = 1.8V

1.2

VIL

Low Level Input Voltage

VDD = 1.8V

0.6

VIN

Input Voltage Range

ENC+ to GND

3.6

RIN

Input Resistance

(See Figure 11)

kΩ

CIN

Input Capacitance

(Note 8)

3.5

DIGITAL INPUTS (CS, SDI, SCK in Serial or Parallel Programming Mode. SDO in Parallel Programming Mode)

VIH

High Level Input Voltage

VDD = 1.8V

1.3

VIL

Low Level Input Voltage

VDD = 1.8V

0.6

IIN

Input Current

VIN = 0V to 3.6V

–10

µA

CIN

Input Capacitance

(Note 8)

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