MCF51QH128 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

MFG CO.

MCF51QH128

Microcontrollers

Freescale Semiconductor 

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0.18

12-bit DAC electrical characteristics

0.16

0.14

0.12

0.1

0.08

0.06

HYSTCTR

Setting

00

01

10

11

0.04

0.02

0

0.1 0.4 0.7 1 1.3 1.6 1.9 2.2 2.5 2.8 3.1

Vin level (V)

Figure 13. Typical hysteresis vs. Vin level (VDD=3.3V, PMODE=1)

6.6.3 12-bit DAC electrical characteristics

6.6.3.1 12-bit DAC operating requirements

Table 26. 12-bit DAC operating requirements

Symbol

VDDA

VDACR

TA

CL

IL

Desciption

Supply voltage

Reference voltage

Temperature

Output load capacitance

Output load current

Min.

Max.

Unit

1.71

3.6

V

1.13

3.6

V

−40

105

°C

—

100

pF

—

1

mA

1. The DAC reference can be selected to be VDDA or the voltage output of the VREF module (VREF_OUT)

2. A small load capacitance (47 pF) can improve the bandwidth performance of the DAC

Notes

1

2

MCF51QH128 Advance Information Data Sheet, Rev. 0, 05/2011.

Freescale Semiconductor, Inc.

Preliminary

41

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