参数资料
型号: ADS7864YB/2K
厂商: Texas Instruments
文件页数: 26/27页
文件大小: 0K
描述: IC 12BIT 500KHZ 6CH A/D 48-TQFP
产品培训模块: Data Converter Basics
标准包装: 2,000
位数: 12
采样率(每秒): 500k
数据接口: 并联
转换器数目: 2
功率耗散(最大): 50mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-TQFP
供应商设备封装: 48-TQFP(7x7)
包装: 带卷 (TR)
输入数目和类型: 12 个单端,双极;6 个差分,双极
配用: 296-30697-ND - EVAL MODULE FOR ADS7864M
www.ti.com
Temperature (
_C)
1.0
0.5
0.0
0.5
1.0
T
H
D
a
n
d
S
F
D
R
D
e
lt
a
fr
o
m
+
2
5_
C
(d
B
)
20
40
0
20
40
60
80
THD
SFDR
Temperature (
_C)
C
h
a
n
g
e
in
P
o
s
it
iv
e
G
a
in
M
a
tc
h
(L
S
B
)
1.80
1.70
1.60
1.50
1.40
1.30
1.20
20
40
0
20
40
60
80
Temperature (
_C)
C
h
a
n
g
e
in
N
e
g
a
ti
v
e
G
a
in
M
a
tc
h
(L
S
B
) 1.50
1.40
1.30
1.20
1.10
1.00
20
40
0
20
40
60
80
Temperature (
_C)
R
e
fe
re
n
c
e
(V
)
2.510
2.506
2.502
2.498
2.494
2.490
20
40
0
20
40
60
80
Temperature (
_C)
B
ip
o
la
r
Z
e
ro
(L
S
B
)
CH1
CH0
1.2
1.0
0.8
0.6
0.4
20
40
0
20
40
60
80
Temperature (
_C)
B
ip
o
la
r
M
a
tc
h
(L
S
B
)
1.30
1.20
1.10
1.00
0.90
20
40
0
20
40
60
80
ADS7864
SBAS141A – SEPTEMBER 2000 – REVISED MARCH 2005
TYPICAL CHARACTERISTICS (continued)
All specifications T
A = +25°C, +VA = +VD = +5V, VREF = internal +2.5V and fCLK = 8MHz, fSAMPLE = 500kHz (unless otherwise
noted)
CHANGE IN SPURIOUS FREE DYNAMIC RANGE
AND TOTAL HARMONIC DISTORTION
POSITIVE GAIN MATCH vs TEMPERATURE
vs TEMPERATURE
(Maximum Deviation for All Six Channels)
Figure 5.
Figure 6.
NEGATIVE GAIN MATCH vs TEMPERATURE
(Maximum Deviation for All Six Channels)
REFERENCE VOLTAGE vs TEMPERATURE
Figure 7.
Figure 8.
BIPOLAR ZERO vs TEMPERATURE
BIPOLAR ZERO MATCH vs TEMPERATURE
Figure 9.
Figure 10.
8
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