6
ltc2602/ltc2612/ltc2622
2602f
(ltc2622)
integral 非线性 (inl)
差别的 非线性 (dnl)
安排好 至
±
1LSB
代号
0
1024 2048 3072 4095
inl (lsb)
2602 g31
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
V
CC
= 5v
V
REF
= 4.096v
代号
0 1024 2048 3072 4095
dnl (lsb)
2602 g32
V
CC
= 5v
V
REF
= 4.096v
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
2
µ
s/div
2602 g33
V
输出
1mv/div
cs/ld
2v/div
V
CC
= 5v, v
REF
= 4.096v
1/4-规模 至 3/4-规模 步伐
R
L
= 2k, c
L
= 200pf
平均 的 2048 events
6.8
µ
s
典型 perfor 一个 ce characTERISTICS
UW
(ltc2602/ltc2612/ltc2622)
电流 限制的 加载 规章制度
补偿 错误 vs 温度
I
输出
(毫安)
–40
–30 –20 –10 0 10 20 30 40
∆
V
输出
(v)
2602 g01
0.10
0.08
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
V
REF
= v
CC
= 5v
V
REF
= v
CC
= 3v
V
REF
= v
CC
= 5v
V
REF
= v
CC
= 3v
代号 = midscale
I
输出
(毫安)
–35 –25 –15 –5 5 15 25 35
∆
V
输出
(mv)
2602 g02
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
V
REF
= v
CC
= 5v
代号 = midscale
V
REF
= v
CC
= 3v
温度 (
°
c)
–50
–30 –10 10 30 50 70 90
补偿 错误 (mv)
2602 g03
3
2
1
0
–1
–2
–3
增益 错误 vs 温度 补偿 错误 vs v
CC
零-规模 错误 vs 温度
温度 (
°
c)
–50
–30 –10 10 30 50 70 90
零-规模 错误 (mv)
2602 g04
3
2.5
2.0
1.5
1.0
0.5
0
温度 (
°
c)
–50
–30 –10 10 30 50 70 90
增益 错误 (%fsr)
2602 g05
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
V
CC
(v)
2.5 3
3.5 4 4.5 5 5.5
补偿 错误 (mv)
2602 g06
3
2
1
0
–1
–2
–3