Multi-Range (±4V, ±2V, +4V, +2V),

+5V Supply, 12-Bit DAS with 8+4 Bus Interface

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

MAX199_C

(Note 5)

Unipolar (see Table 2)

CONDITIONS

mA

30

Output Short-Circuit Current

ppm/°C

±15

REF Output Tempco

(

Contact Maxim Applications

for guaranteed temperature

drift specifications)

V

4.076

4.096

4.116

REF Output Voltage

pF

40

Input Capacitance

µs

3

Track/Hold Acquisition Time

V

Input Voltage Range

1.25

-3dB rolloff

2.5

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

MHz

5

Small-Signal Bandwidth

2.5

Bipolar

-600

10

Unipolar range

-1200

10

Bipolar

0.1

10

Unipolar

10

M

Ω

40

Input Dynamic Resistance

Bipolar (see Table 2)

0mA to 0.5mA output current (Note 6)

7.5

V

2.465

2.500

2.535

REFADJ Output Voltage

µF

4.7

Capacitive Bypass at REF

With recommended circuit (Figure 1)

%

±1.5

REFADJ Adjustment Range

V/V

1.6384

Buffer Voltage Gain

V

2.4

4.18

Input Voltage Range

µA

400

Input Current

1

V

REFADJ Threshold for

Buffer Disable

Normal, or STANDBY power-down mode

k

Ω

10

Input Resistance

FULL power-down mode

5

M

Ω

Normal, or STANDBY

power-down mode

FULL power-down

mode

µA

Input Current

MAX199_M

±40

MAX199_E

±30

k

Ω

0mA to 0.1mA output current (Note 6)

mV

0.8

Load Regulation

ANALOG INPUT

INTERNAL REFERENCE

REFERENCE INPUT (Buffer disabled, reference input applied to REF pin)