Rainbow-electronics MAX1197 Manual do Utilizador descarregar pdf (Página 2)

MAX1197

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with

Internal Reference and Parallel Outputs

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

= OV

= 3V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10kΩ

resistor, V

= 2V

P-P

(differential with respect to COM), C

= 10pF at digital outputs, f

CLK

= 60MHz, T

= T

MIN

to T

MAX

, unless otherwise

noted. ≥ +25°C guaranteed by production test, < +25°C guaranteed by design and characterization. Typical values are at T

= +25°C.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

, OV

to GND ...............................................-0.3V to +3.6V

OGND to GND.......................................................-0.3V to +0.3V

INA+, INA-, INB+, INB- to GND ...............................-0.3V to V

REFIN, REFOUT, REFP, REFN,

COM, CLK to GND .................................-0.3V to (V

+ 0.3V)

OE, PD, SLEEP, T/B, D7A–D0A,

D7B–D0B to OGND .............................-0.3V to (OV

+ 0.3V)

Continuous Power Dissipation (T

= +70°C)

48-Pin TQFP (derate 12.5mW/°C above +70°C).........1000mW

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature......................................................+150°C

Storage Temperature Range .............................-60°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

PARAMETER SYMBOL CONDITIONS MIN T YP MAX UNITS

DC ACCURACY

Resolution 8 Bits

Integral Nonlinearity INL f

= 7.5MHz (Note 1) ±0.3 ±1 LSB

Differential Nonlinearity DNL

= 7.5MHz, no missing codes guaranteed

(Note 1)

±0.2 ±1 LSB

Offset Error ±4%FS

Gain Error ±4%FS

Gain Temperature Coefficient ±100 ppm/°C

ANALOG INPUT

Differential Input Voltage Range V

DIFF

Differential or single-ended inputs ±1.0 V

Common-Mode Input Voltage

Range

D D

/ 2

±0.2

Input Resistance R

Switched capacitor load 95 kΩ

Input Capacitance C

5pF

CONVERSION RATE

Maximum Clock Frequency f

CLK

60 MHz

Data Latency 5

Clock

Cycles

DYNAMIC CHARACTERISTICS (f

CLK

= 60MHz, 4096-point FFT)

INA or B

= 7.5MHz at -1dB FS 48.7

INA or B

= 20MHz at -1dB FS 47 48.7

INA or B

= 30MHz at -1dB FS 48.6

Signal-to-Noise Ratio SNR

INA or B

= 115.1MHz at -1dB FS 48.3

1 2 3 4 5 6 7 ... 21 22

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