MAX1338 Datasheet, PDF (22/24 Pages) Maxim Integrated Products – 14-Bit, 4-Channel, Software-Programmable, Multiranging, Simultaneous-Sampling ADC

14-Bit, 4-Channel, Software-Programmable,
Multiranging, Simultaneous-Sampling ADC
Typical Operating Circuit
15
INTCLK/EXTCLK
+5V
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.001µF
0.1µF
1
AV_DD
7 _AVDD
9 _AVDD
17 _AVDD
19
AV_DD
21
REFADC
22 _REFP1
23 _REFP2
MAX1338
1.0µF
0.1µF
1.0µF
27 _REFN2
26 _REFN1
24 _COM1
25 _COM2
0.1µF
6, 8, 14, 16, 18, 20, 28
GND
AGND
2
AIN0+
3
AIN0-
4
AIN1+
ANALOG
INPUTS
5
AIN1-
10
AIN2+
11
AIN2-
12
AIN3+
13 _AIN3-
54
DV_DD
+5V
0.1µF
55, 56
DGND
GND
53
SHDN
CLK ⁵¹
CONVST ⁵⁰
CS ⁴⁹
WR ⁴⁸
RD ⁴⁷
EOLC ⁴⁶
EOC ⁴⁵
STANDBY ⁵²
CONTROL I/O
DRV_DD ⁴³
DRGND ⁴⁴
+3V TO +5V
0.1µF
GND
42
D13
41
D12
40
D11
39
D10
D9 ³⁸
D8 ³⁷
D7 ³⁶
D6 ³⁵
D5 ³⁴
D4 ³³
D3 ³²
D2 ³¹
D1 ³⁰
D0 ²⁹
DIGITAL
OUTPUT
PARALLEL I/O
DIGITAL
I/O
22 ______________________________________________________________________________________