MCP48CMB02 datasheet(9/106 Pages) MICROCHIP

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 2019 Microchip Technology Inc.

DS20006160A-page 9

MCP48CXBXX

DC CHARACTERISTICS (CONTINUED)

Standard Operating Conditions (unless otherwise specified):

Operating Temperature: -40°C

 TA  +125°C (Extended)

All parameters apply across the specified operating ranges unless noted.

VDD = +2.7V to 5.5V, VREF = +1.000V to VDD, VSS =0V,

RL =2 k from VOUT to GND, CL = 100 pF.

Typical specifications represent values for VDD =5.5V, TA =+25°C.

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Zero-Scale Error

(Code = 000h)

(see B.5

“Zero-Scale

Error (EZS)”)

EZS

—

0.375

LSb

8-bit

VRxB:VRxA = ‘10’, G = ‘0’,

VREF =VDD, No Load.

—

1.5

LSb

10-bit

VRxB:VRxA = ‘10’, G = ‘0’,

VREF =VDD, No Load.

—

LSb

12-bit

VRxB:VRxA = ‘10’, G = ‘0’,

VREF =VDD, No Load.

See Section 2.0 “Typical

Performance Curves”(2)

LSb

VRxB:VRxA = ‘10’, G = ‘1’,

VREF =0.5 X VDD, No Load.

See Section 2.0 “Typical

Performance Curves”(2)

LSb

VRxB:VRxA = ‘01’, G = ‘0’, G = ‘1’,

VDD = 1.8-5.5V, No Load.

Offset Error

(see B.7 “Offset

Error (EOS)”)

EOS

-6

±0.7

VRxB:VRxA = ‘10’, Gx = ‘0’, No Load

8-bit: Code = 4; 10-bit: Code = 16;

12-bit: Code = 64

Offset Voltage

Temperature

Coefficient(2, 9)

VOSTC

—±5

—

µV/°C

Full-Scale Error

(see B.4

“Full-Scale

Error (EFS)”)

EFS

—

2.5

LSb

8-bit

VRxB:VRxA = ‘10’, G = ‘0’,

VREF =VDD, No Load.

—

LSb

10-bit

VRxB:VRxA = ‘10’, G = ‘0’,

VREF =VDD, No Load.

—

LSb

12-bit

VRxB:VRxA = ‘10’, G = ‘0’,

VREF =VDD, No Load.

See Section 2.0 “Typical

Performance Curves”(2)

LSb

VRxB:VRxA = ‘10’, G = ‘1’,

VREF =0.5 X VDD, No Load.

See Section 2.0 “Typical

Performance Curves”(2)

LSb

VRxB:VRxA = ‘01’, G = ‘0’, G = ‘1’,

VDD = 1.8-5.5V, No Load.

Gain Error

(see B.9 “Gain

Error (EG)”)(7)

-1

±0.1

% of

FSR

8-bit

VRxB:VRxA = ‘10’, G = ‘0’,

Code = 252,

VREF =VDD, No Load

-1

±0.1

% of

FSR

10-bit

VRxB:VRxA = ‘10’, G = ‘0’,

Code = 1008,

VREF =VDD, No Load

-1

±0.1

% of

FSR

12-bit

VRxB:VRxA = ‘10’, G = ‘0’,

Code = 4032,

VREF =VDD, No Load

Gain-Error Drift(2)

(see B.10 “Gain

Error Drift

(EGD)”)(9)

G/°C

—

-6

—

ppm/°C

Note 2 This parameter is ensured by characterization.

Note 7 This gain error does not include the offset error.

Note 9 Code range dependent on resolution: 8-bit, codes 4 to 252; 10-bit, codes 16 to 1008; 12-bit, codes 64 to 4032.

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