T2 vs. REX2
40
35
30
25
20
15
10
0
1
2
3
REX2 [kΩ]
For normal use. REX = 21.6kΩ
A/D clock width Tpwh (T2-T1) variation vs. VCC
(VCC = 5.0V typ.)
1
CXA1843Q
A/D clock width Tpwh (T2-T1) variation vs. Ta
(Ta = 25°C typ.)
1
0.5
0
–0.5
–1
–25
0
25
50
75
Ta [°C]
A/D clock width Tpwh (T2-T1) variation vs. VEE
(VEE = –5.0V typ.)
1
0.5
0.5
0
0
–0.5
–0.5
–1
4.75
5
VCC [V]
5.25
S/H output delay (tdr, tdf) vs. REX3
(taqr, taqf) vs. REX4
45
40
taqf
taqr
35
30
tdr
25
tdf
20
15
2
1.1
3
4
2
For normal use, REX3 = 2.7kΩ
REX4 = 1.5kΩ
5 REX3 [kΩ]
2.8 REX4 [kΩ]
– 11 –
–1
–5.25
–5
VEE [V]
–4.75
S/H output delay variation vs. Ta
(Ta = 25°C typ.)
1.5
1
0.5
0
–0.5
–1
–1.5
–25
0
25
50
75
Ta [°C]