Table of Contents
Advertisement
A/D CONVERTER CHARACTERISTICS: (T
Parameter
Symbol
Resolution
Note
Absolute Accuracy
Conversion time
t
CONV
Sampling Time
t
SAMP
Analog Input Voltage
V
Analog Input Impedance R
Reference Voltage
V
V
Current
I
AREF
AREF1
I
AREF2
AV
Supply Current
AI
DD
AI
Note Except quantization error (i.e. ±1/2 LSB).
AC TIMING TEST POINTS
V
– 1.0 V
DD
0.45 V
= –40 to +85 ˚C, V
A
– 0.5 V ≤ AV
V
DD
Test Condition
3.4 V ≤ V
≤ AV
AREF
DD
4.0 V ≤ V
≤ AV
AREF
DD
T
= –10 to +70 ˚C,
A
4.0 V ≤ V
≤ AV
AREF
DD
66 ns ≤ t
≤ 110 ns
CYC
110 ns ≤ t
≤ 170 ns
CYC
66 ns ≤ t
≤ 110 ns
CYC
110 ns ≤ t
≤ 170 ns
CYC
AN7-0 (include unused pins)
IAN
AN
AREF
Operation mode
STOP mode
Operation mode, f
= 15 MHz
DD1
xx
STOP mode
DD2
*
2.2 V
Test points
0.8 V
= +5.0 V ± 10 %, V
DD
SS
≤ V
, 3.4 V ≤ V
≤ AV
DD
DD
AREF
DD
MIN.
8
, 66 ns ≤ t
≤ 170 ns
CYC
, 66 ns ≤ t
≤ 170 ns
CYC
, 66 ns ≤ t
≤ 170 ns
CYC
576
432
96
72
0
3.4
2.2 V
0.8 V
µ PD78C14(A)
= AV
= 0 V,
SS
)
TYP.
MAX.
UNIT
Bits
±0.8 %
FSR
±0.6 %
FSR
±0.4 %
FSR
t
CYC
t
CYC
t
CYC
t
CYC
V
V
AREF
50
MΩ
AV
V
DD
1.5
3.0
mA
0.7
1.5
mA
0.5
1.3
mA
µ A
10
20
*
35
Advertisement
Table of Contents
