12-bit DAC electrical characteristics
6.6.3.2 12-bit DAC operating behaviors
Table 26. 12-bit DAC operating behaviors
Symbol Description
Min.
Typ.
Max.
Unit
Notes
IDDA_DACL Supply current — low-power mode
—
—
450
μA
P
IDDA_DAC Supply current — high-speed mode
—
—
1000
μA
HP
tDACLP
Full-scale settling time (0x080 to 0xF7F) —
low-power mode
—
—
—
100
15
200
30
1
μs
μs
μs
1
1
1
tDACHP Full-scale settling time (0x080 to 0xF7F) —
high-power mode
tCCDACLP Code-to-code settling time (0xBF8 to
0xC08) — low-power mode and high-speed
mode
0.7
Vdacoutl DAC output voltage range low — high-
speed mode, no load, DAC set to 0x000
—
—
—
—
—
—
100
mV
mV
Vdacouth DAC output voltage range high — high-
speed mode, no load, DAC set to 0xFFF
VDACR
−100
VDACR
INL
DNL
DNL
Integral non-linearity error — high speed
mode
—
—
—
8
1
1
LSB
LSB
LSB
2
3
4
Differential non-linearity error — VDACR > 2
V
Differential non-linearity error — VDACR
VREF_OUT
=
VOFFSET Offset error
—
—
60
—
—
—
0.4
0.1
0.8
0.6
90
%FSR
%FSR
dB
5
5
EG
PSRR
TCO
TGE
Gain error
Power supply rejection ratio, VDDA > = 2.4 V
Temperature coefficient offset voltage
Temperature coefficient gain error
Output resistance load = 3 kΩ
3.7
0.000421
—
—
μV/C
%FSR/C
Ω
6
—
Rop
SR
250
Slew rate -80h→ F7Fh→ 80h
V/μs
• High power (SPHP
• Low power (SPLP
)
1.2
1.7
—
—
0.05
0.12
)
CT
Channel to channel cross talk
3dB bandwidth
—
—
-80
dB
BW
kHz
• High power (SPHP
• Low power (SPLP
)
550
40
—
—
—
—
)
1. Settling within 1 LSB
2. The INL is measured for 0+100mV to VDACR−100 mV
3. The DNL is measured for 0+100 mV to VDACR−100 mV
4. The DNL is measured for 0+100mV to VDACR−100 mV with VDDA > 2.4V
MCF51JU128 Data Sheet, Rev. 4, 01/2012.
42
Freescale Semiconductor, Inc.
FREESCALE [ Freescale ]
