MAX1460CCM datasheet(3/20 Pages) MAXIM

Part #	MAX1460CCM

Description	Low-Power, 16-Bit Smart ADC

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Manufacturer	MAXIM [Maxim Integrated Products]

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Low-Power, 16-Bit Smart ADC

_______________________________________________________________________________________

3

CONDITIONS

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

DAC Resolution

12

bits

Integral Nonlinearity

INL

1

LSB

Differential Nonlinearity

DNL

0.5

LSB

Op Amp Supply Current

100

µA

Input Common-Mode Range

CMR

VSS + 1.3

VDD - 1.0

V

Open-Loop Gain

AV

60

dB

Offset Voltage (as unity-gain

follower)

VOS

VIN = 2.5V (no load)

-30

+30

mV

Output Voltage Swing

No load

VSS + 0.05

VDD - 0.05

V

Output Current Range

VOUT = (VSS + 0.2V) to (VDD - 0.2V)

±500

µA

Note 1: EEPROM programming requires a minimum VDD = 4.75V. IDD may exceed its limits during this time.

Note 2: This value does not include the sensor or load current. This value does include the uncommitted op amp current. Note that

the MAX1460 will convert continuously if REPEAT MODE is set in the EEPROM.

Note 3: See the Analog Front-End, including PGA, Coarse Offset DAC, ADC, and Temperature Sensor sections.

Note 4: The signal input to the ADC is the output of the PGA plus the output of the CO-DAC. The reference to the ADC is VDD. The

plus full-scale input to the ADC is +VDD and the minus full-scale input to the ADC is -VDD. This specification shows the con-

tribution of the CO-DAC to the ADC input.

Note 5: See Figure 2 for ADC outputs between +0.8500 to -0.8500.

Note 6: The sensor and the MAX1460 must always be at the same temperature during calibration and use.

Note 7: The Output DAC is specified using the external lowpass filter (Figure 8).

Note 8: SDIO is an input/output digital pin. It is only enabled as a digital output pin when the MAX1460 receives from the test sys-

tem the commands 8 hex or A hex (Table 4).

Note 9: XIN is a digital input pin only when the TEST pin is high.

Note 10: Guaranteed by design. Not subject to production testing.

ELECTRICAL CHARACTERISTICS (continued)

(VDD = +5V, VSS = 0, fXIN = 2MHz, TA = TMIN to TMAX, unless otherwise noted.)

Input High Voltage

VIH

4.0

V

Input Low Voltage

VIL

1.0

V

Input Hysteresis

VHYST

1.0

V

Input Leakage

IIN

VIN = 0 or VDD

±10

µA

Input Capacitance

CIN

(Note 10)

50.0

pF

Output Voltage Low

VOL

ISINK = 500µA

0.5

V

Output Voltage High

VOH

ISOURCE = 500µA

4.5

V

Three-State Leakage Current

IL

CS = 0

±10

µA

Three-State Output Capacitance

COUT

CS = 0 (Note 10)

50.0

pF

Output Voltage Low

VOL

ISINK = 500µA

0.3

V

Output Voltage High

VOH

ISOURCE = 500µA

4.7

V

Three-State Leakage Current

IL

CS = 0

±10

µA

Three-State Output Capacitance

COUT

CS = 0 (Note 10)

50.0

pF

OUTPUT DAC (Note 7)

UNCOMMITTED OP AMP

DIGITAL INPUTS: START, CS1, CS2, SDIO (Note 8), RESET, XIN (Note 9), TEST

DIGITAL OUTPUTS: D[11...0]

DIGITAL OUTPUTS: SDIO (Note 8), SDO, EOC, OUT

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