DG421CJ datasheet(3/12 Pages) MAXIM

Part #	DG421CJ

Description	Improved Low-Power, CMOS Analog Switches with Latches

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Manufacturer	MAXIM [Maxim Integrated Products]

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Improved Low-Power,

CMOS Analog Switches with Latches

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(V+ = 15V, V- = -15V, VL = +5V, GND = 0V, VINH = +2.4V, VINL = +0.8V, TA = TMIN to TMAX, unless otherwise noted.)

TA = +25°C

TA = TMIN to TMAX

All channels on or off,

V+ = 16.5V, V- = -16.5V,

VIN = 0V or 5V

I+

Positive Supply Current

CONDITIONS

SYMBOL

PARAMETER

µA

UNITS

-5.0

5.0

-1.0

0.01

1.0

MIN

TYP

MAX

(Note 2)

IN = 2.4V, all others = 0.8V

IINH

Input Current with Input Voltage High

µA

-0.50

0.005

0.50

IN = 0.8V, all others = 2.4V

IINL

Input Current with Input Voltage Low

µA

-0.50

0.005

0.50

(Note 3)

V+, V-

Power Supply Range

V

±4.5

±20

TA = +25°C

TA = TMIN to TMAX

All channels on or off,

V+ = 16.5V, V- = -16.5V,

VIN = 0V or 5V

I-

Negative Supply Current

µA

-5.0

5.0

-1.0

-0.01

1.0

TA = +25°C

TA = TMIN to TMAX

All channels on or off,

V+ = 16.5V, V- = -16.5V,

VIN = 0V or 5V

IGND

Ground Current

µA

-5.0

5.0

-1.0

-0.01

1.0

TA = +25°C

TA = TMIN to TMAX

Figure 2

tON

Turn-On Time

ns

300

150

250

200

ns

Figure 2

tOFF

Turn-Off Time

TA = +25°C

TA = -55°C to +125°C

VS = ±10V,

RL = 300Ω,

CL = 35pF,

Figure 3

tWW

Latch Timing

ns

200

TA = +25°C

TA = -55°C to +125°C

tDW

100

TA = +25°C

TA = -55°C to +125°C

tWD

100

60

TA = +25°C

525

TA = +25°C

TA = TMIN to TMAX

All channels on or off,

V+ = 16.5V, V- = -16.5V,

VIN = 0V or 5V

IL

Logic Supply Current

µA

-5.0

5.0

-1.0

-0.01

1.0

Break-Before-Make Interval (Note 3)

tD

DG423, Figure 4

ns

TA = +25°C

10

15

Charge Injection (Note 3)

Q

CL = 10nF, VG = 0V,

RG = 0Ω, Figure 5

pC

TA = +25°C

72

Off-Isolation Rejection Ratio

(Note 6)

OIRR

RL = 100Ω, CL = 5pF,

f = 1MHz, Figure 6

dB

TA = +25°C

12

Drain-Off Capacitance

CD(OFF)

f = 1MHz, Figure 8

pF

TA = +25°C

90

Crosstalk (Note 7)

RL = 50Ω, CL = 5pF,

f = 1MHz, Figure 7

dB

TA = +25°C

12

Source-Off Capacitance

CS(OFF)

f = 1MHz, Figure 8

pF

Note 2: Typical values are for design aid only, are not guaranteed, and are not subject to production testing. The algebraic convention,

where the most negative value is a minimum and the most positive value a maximum, is used in this data sheet.

Note 3: Guaranteed by design.

Note 4: On-resistance match between channels and flatness are guaranteed only with bipolar-supply operation. Flatness is defined as the dif-

ference between the maximum and minimum value of on-resistance as measured at the extremes of the specified analog signal range.

Note 5: Leakage parameters IS(OFF), ID(OFF), and ID(ON) are 100% tested at the maximum rated hot temperature and guaranteed by

correlation at +25°C.

Note 6: Off-Isolation Rejection Ratio = 20log (VD/VS), VD = output, VS = input to off switch.

Note 7: Between any two switches.

TA = +25°C

39

Drain-On Capacitance

CD(ON)

f = 1MHz, Figure 9

pF

TA = +25°C

39

Source-On Capacitance

CS(ON)

f = 1MHz, Figure 9

pF

INPUT

SUPPLY

DYNAMIC

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