TDA8785 Datasheet, PDF (17/24 Pages) NXP Semiconductors – 8-bit high-speed analog-to-digital converter with gain and offset controls

Philips Semiconductors
8-bit high-speed analog-to-digital converter
with gain and offset controls
APPLICATION INFORMATION
Product specification
TDA8785
handbook, full pagewidth
VCCA1
1
VCCA2
2
AGND1
3
B _VCCA1 ^Vref DEC2 DEC1 OF
AGND2
2 pF
3.3
nF
VRB
100 10 100 1
nF pF nF nF
4
67
36 5 35 34
Vi(p)
Vi(n)
VSOFF(p)
VSOFF(n)
VFOFF(p)
VCCA
VFOFF(n)
VFSAD(p)
VFSAD(n)
150 150
Ω
Ω _VDACO(p)
VDACO(n)
VFSDAC(p)
VFSDAC(n)
43
44
37
38 OFFSET
AMPLIFIER
42
41
39
40
VCCA
150 Ω 150 Ω
9
8
10
11
DAC
8 _{12 to 19}
DA7 to DA0
GAIN
REGULATORS
8
ADC
TTL
26 to 33
OUTPUTS ₈
AD0
to
AD7
TDA8785
25 _VCCO
24
OGND
CLOCK
DRIVER
20
CLKDAC
CLOCK
DRIVER
22
23
21 _MBG693
CLKADC VCCD DGND
Fig.15 Application diagram.
1997 Dec 18
17