LTC1407AC Ver la hoja de datos (PDF) - Linear Technology

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LTC1407AC

Serial 12-Bit/14-Bit, 3Msps Simultaneous Sampling ADCs with Shutdown

Linear Technology 

LTC1407/LTC1407A

DY A IC ACCURACY The q denotes the specifications which apply over the full operating temperature range,

otherwise specifications are at TA = 25°C. With internal reference, VDD = 3V.

SYMBOL

SINAD

THD

SFDR

IMD

PARAMETER

Signal-to-Noise Plus

Distortion Ratio

Total Harmonic

Distortion

Spurious Free

Dynamic Range

Intermodulation

Distortion

Code-to-Code

Transition Noise

Full Power Bandwidth

Full Linear Bandwidth

CONDITIONS

100kHz Input Signal

750kHz Input Signal

q

100kHz Input Signal, External VREF = 3.3V, VDD ≥ 3.3V

750kHz Input Signal, External VREF = 3.3V, VDD ≥ 3.3V

100kHz First 5 Harmonics

750kHz First 5 Harmonics

q

100kHz Input Signal

750kHz Input Signal

1.25V to 2.5V 1.40MHz into CH0+, 0V to 1.25V,

1.56MHz into CH0–. Also Applicable to CH1+ and CH1–

VREF = 2.5V (Note 17)

VIN = 2.5VP-P, SDO = 11585LSBP-P (–3dBFS) (Note 15)

S/(N + D) ≥ 68dB

LTC1407

MIN TYP MAX

70.5

68 70.5

72.0

72.0

–87

–83 –77

–87

–83

– 82

0.25

50

5

LTC1407A

MIN TYP MAX

73.5

70 73.5

76.3

76.3

– 90

–86 –80

– 90

– 86

–82

UNITS

dB

dB

dB

dB

dB

dB

dB

dB

dB

1

LSBRMS

50

MHz

5

MHz

UU

U

I TER AL REFERE CE CHARACTERISTICS TA = 25°C. VDD = 3V.

PARAMETER

VREF Output Voltage

VREF Output Tempco

VREF Line Regulation

VREF Output Resistance

VREF Settling Time

CONDITIONS

IOUT = 0

VDD = 2.7V to 3.6V, VREF = 2.5V

Load Current = 0.5mA

MIN TYP MAX

UNITS

2.5

V

15

ppm/°C

600

µV/V

0.2

Ω

2

ms

DIGITAL I PUTS A D DIGITAL OUTPUTS The q denotes the specifications which apply over the

full operating temperature range, otherwise specifications are at TA = 25°C. VDD = 3V.

SYMBOL

VIH

VIL

IIN

CIN

VOH

VOL

PARAMETER

High Level Input Voltage

Low Level Input Voltage

Digital Input Current

Digital Input Capacitance

High Level Output Voltage

Low Level Output Voltage

IOZ

COZ

ISOURCE

ISINK

Hi-Z Output Leakage DOUT

Hi-Z Output Capacitance DOUT

Output Short-Circuit Source Current

Output Short-Circuit Sink Current

CONDITIONS

VDD = 3.3V

VDD = 2.7V

VIN = 0V to VDD

VDD = 3V, IOUT = – 200µA

VDD = 2.7V, IOUT = 160µA

VDD = 2.7V, IOUT = 1.6mA

VOUT = 0V to VDD

VOUT = 0V, VDD = 3V

VOUT = VDD = 3V

MIN TYP MAX

q 2.4

q

0.6

q

± 10

5

q 2.5

2.9

0.05

q

0.10

0.4

q

± 10

1

20

15

UNITS

V

V

µA

pF

V

V

V

µA

pF

mA

mA

1407f

3

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