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Fast comparator for ADC

  • Requires only base process module MOS
  • Power supply range from 2.5V to 3.3V
  • Very fast, short rise and fall times, high bandwidth
  • High CMRR and PSRR
  • Sensitive to very small differential inputs

Pins

Name Description Type Direction Vmin Vmax
INP differential input voltage high signal input -0.3 3.6
INN differential input voltage low signal input -0.3 3.6
OUTPUT bandgap reference voltage output signal output -0.3 3.6
VDDA positive power supply VDDA inout -0.3 3.6
VSSA ground ground inout -0.3 VDDA + 0.3

Global Conditions

Name Typical Minimum Maximum Units
VDD 2.7 V
Ground 0 V
RLoad 100
CLoad 1 pF
Temp 27 -40 85 °C
Vcm 0.00 0.40 V
Trise 5 ms
Sigma 3
Corner tm ws wp

Electrical Parameters

Parameter Pin Typical Minimum Maximum Units Conditions
Input Offset Voltage -0.217 -0.2185 -0.2145 mV Conditions
Hysteresis @ 3σ 2.247 -0.423 11.59 mV Conditions
Hysteresis @ 6σ 7.026 -0.426 40.25 mV Conditions
VOL 1.461e-06 1.2e-06 1.746e-06 V Conditions
VOH 2.684 2.679 2.687 V Conditions
TPD rise @ 3σ 19.97 12.9 33.38 ns Conditions
TPD rise @ 6σ 26.36 10.35 75.03 ns Conditions
TPD fall @ 3σ 19.81 13 30.38 ns Conditions
TPD fall @ 6σ 25.14 10.53 63.29 ns Conditions
PSRR -96 -120.4 -72.06 dB Conditions
CMRR -66.37 -70.26 -61.14 dB Conditions
IDD @ 3σ 180.2 91.06 281.4 µA Conditions
IDD @ 6σ 212.5 44.44 425.3 µA Conditions
IDD (idle) 182.1 87.83 292.5 µA Conditions

Physical Parameters

Parameter Typical Minimum Maximum Units
device_area 18619 µm²
area 59645.7 µm-sq
width 334.9 µm
height 178.1 µm
DRC_errors 0
LVS_errors 0

Figure(s)

COMP0001_symbol.svg

Figure 1

Performance Characteristics

VOLTAGExVIO.png

Plot 1: Input offset voltage vs. Common-mode voltage

IDDxVDDA.png

Plot 2: Supply current vs. supply voltage VDDA

TPDxVCM.png

Plot 3: Propagation delay vs. common mode voltage

input_offset.png

Plot 4: Input Offset Transient Plot

TPDxVDDA.png

Plot 5: Propagation delay vs. supply voltage VDDA

Summary

Catalog ID

COMP0001

IP Provider

community

Type

Hard IP

Node

350nm

Vendor

community

Foundry

X-FAB

Process

EFXH035B

Category

Comparator

Certifications

icon

Licensing

Per-use

$8000

Royalty

$0

Maturity

Stage

layout

# of Tries

0

Library Package

Version

2.0

Version Date

Feb 15, 2018