pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 381

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

Revision 1.07
7.0 Device Specifications
7.4.3
7.5
Thermal resistance (degrees C/W) Theta
Airflow for Theta
Resolution
Offset Error
Gain Error
Integral Non-linearity Error
Differential Non-linearity Error
Output Voltage Range
Analog Output Resistance
Analog Output Capacitance
DAC Settling Time
DAC Enable Delay
Package Type
128 LQFP
176 LQFP
1. All parameters specified for 0 C
2. The difference between 0V and the actual voltage value for code 00
3. The difference between
4. The maximum difference between the ideal (straight) conversion line and the actual conversion curve, not
5. The maximum difference between an ideal step size (1 LSB) and any actual step size.
6. Monotonic.
7. Time from the converter loading with data, to output voltage settling within an error of 0.5 LSB.
8. Time from the moment when DACENn=1 in DACCTRL register until the settling of the output voltage.
including the offset, gain and quantization ( 0.5 LSB) errors.
PACKAGE THERMAL INFORMATION
DAC Characteristics
3
2
Parameter
JA
values is measured in linear feet per minute (lfpm).
7
8
Theta
JA
47.1
39.8
4
@0 lfpm Theta
5
255
/
256 *
(Continued)
Symbol
AV
JC
T
V
T
OER
GER
T
RES
DNL
C
INL
A
R
OUT
END
SET
CC
AO
and Theta
S
JA
Table 70. Theta ( ) J Values
70 C. AV
and the actual voltage for code FF
34.6
32.3
@225 lfpm Theta
JA
0
0
0
CC
AV
AV
AV
AV
Conditions
values for the various packages of the PC87591x are as follows:
C
C
V
V
V
= 3.3V
L
L
CC
CC
CC
CC
381
OUT
OUT
OUT
= 50 pF
= 50 pF
= 3.3V,
= 3.3V,
= 3.3V
= 3.3V
JA
AV
AV
AV
5%, unless otherwise specified.
29.3
29.5
@500 lfpm Theta
1
CC
CC
CC
16
.
Min
16
0
2
.
JA
28.8
26.2
@900 lfpm
Typ
10
8
3
AV
Max
0.5
15
10
0.5
4
1
1
1
CC
Theta
6
15.3
5.1
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JC
Unit
LSB
LSB
LSB
LSB
K
Bit
pF
V
s
s