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| 型號(hào)： | PCF8591 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit A/D and D/A converter |
| 中文描述： | 8位A / D和D / A轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 17/28頁(yè) |
| 文件大小： | 221K |
| 代理商： | PCF8591 |
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1998 Jul 02
17
Philips Semiconductors
Product specification
8-bit A/D and D/A converter
PCF8591
11 DC CHARACTERISTICS
V
DD
= 2.5 V to 6 V; V
SS
= 0 V; T
amb
=
40
°
C to
+
85
°
C unless otherwise specified.
Notes
1.
The power on reset circuit resets the I
2
C-bus logic when V
DD
is less than V
POR
.
A further extension of the range is possible, if the following conditions are fulfilled:
V
V
+
2
2.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
DD
I
DD
supply voltage (operating)
supply current
standby
operating, AOUT off
operating, AOUT active
Power-on reset level
2.5
6.0
V
V
I
= V
SS
or V
DD
; no load
f
SCL
= 100 kHz
f
SCL
= 100 kHz
note 1
0.8
1
125
0.45
15
250
1.0
2.0
μ
A
μ
A
mA
V
V
POR
Digital inputs/output: SCL, SDA, A0, A1, A2
V
IL
V
IH
I
L
LOW level input voltage
HIGH level input voltage
leakage current
A0, A1, A2
SCL, SDA
input capacitance
LOW level SDA output current V
OL
= 0.4 V
0
0.7
×
V
DD
0.3
×
V
DD
V
DD
V
V
V
I
= V
SS
to V
DD
V
I
= V
SS
to V
DD
250
1
3.0
+250
+1
5
nA
μ
A
pF
mA
C
i
I
OL
Reference voltage inputs
V
REF
V
AGND
I
LI
R
REF
reference voltage
analog ground voltage
input leakage current
input resistance
V
REF
> V
AGND
; note 2
V
REF
> V
AGND
; note 2
V
SS
+ 1.6
V
SS
250
100
V
DD
V
DD
0.8 V
+250
V
nA
k
pins V
REF
and AGND
Oscillator: OSC, EXT
I
LI
f
OSC
input leakage current
oscillator frequency
0.75
250
1.25
nA
MHz
--------------------------------------
0.8V
≥
V
DD
V
------------------2
V
AGND
+
–
0.4V
≥
,
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