MCP37D11-80ESLASHTE datasheet(13/136 Pages) MICROCHIP

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 2020 Microchip Technology Inc.

DS20006381A-page 13

MCP37D11-80: 80 MSPS 12-BIT PIPELINED ADC

Analog Inputs

Full-Scale Differential

Analog Input Range(5,7)

AFS

—

1.4875

—

VP-P VSENSE = GND

—2.975

—

VSENSE = AVDD12

—

3.71875 x

VSENSE

—

400 mV < VSENSE <800 mV

Analog Input Bandwidth

fIN_3dB

—500

—

MHz

AIN = -3 dBFS

Differential Input

Capacitance

CIN

Note 5, Note 9

Analog Input Leakage

Current (AIN+, AIN- Pins)

ILI_AH

——

µA

VIH = AVDD12

ILI_AL

-1

—

µA

VIL = GND

ADC Conversion Rate(10)

Conversion Rate

—

Msps Optimized at 80 Msps

See Figure 3-30 and Figure 3-33

Clock Inputs (CLK+, CLK-)(11)

Clock Input Frequency

fCLK

—

250

MHz

Note 5

Differential Input Voltage

VCLK_IN

300

—

800

mVP-P Note 5

Clock Jitter

CLKJITTER

—175

—

fSRMS Note 5

Clock Input Duty Cycle(5)

Duty cycle correction

disabled

Duty cycle correction

enabled

Input Leakage Current at

CLK Input Pin

ILI_CLKH

——

+180

µA

VIH = AVDD12

ILI_CLKL

-20

-30

——

µA

VIL = GND

TA = -40°C to +85°C

TA = -40°C to +125°C

Converter Accuracy(6)

ADC Resolution

(with no missing code)

——

bits

Offset Error

—

±0.31

—

LSb

Gain Error

GER

—±0.5

—

% of

Integral Nonlinearity

INL

—

±0.125

—

LSb

Differential Nonlinearity

DNL

—

±0.03

—

LSb

Analog Input

Common-Mode

Rejection Ratio

CMRRDC

—

DC measurement

TABLE 2-1:

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Specifications: Unless otherwise specified, all parameters apply for TA = -40°C to +125°C, AVDD18 =DVDD18 =1.8V,

AVDD12 =DVDD12 = 1.2V, GND = 0V, SENSE = AVDD12, Single-channel mode, Differential Analog Input (AIN) = Sine wave with

amplitude of -1 dBFS, fIN = 15 MHz, Clock Input = 80 MHz, fS = 80 Msps (ADC Core), PLL and decimation filters are disabled, Output

load: CMOS data pin = 10 pF, LVDS = 100

termination, LVDS driver current setting = 3.5 mA, +25°C is applied for typical value.

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

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