LTC2619_15 Datasheet, PDF (20/22 Pages) Linear Technology – Quad 16-/14-/12-Bit Rail-to-Rail DACs with I2C Interface

LTC2609/LTC2619/LTC2629
Typical Application
Demo Board Schematic—Onboard 20-Bit ADC Measures Key Performance Parameters
V_CC
I²C
C1
V_CC 0.1µF
16
V_CC
LTC2609CGN
11
4
CA0
V_OUTA
10
3
CA1
REFA
7
CA2
5
V_OUTB
6
REFB
9
SDA
8
SCL
13
V_OUTC
12
REFC
14
V_OUTD
15
REFD
REFLO GND
2
1
EXT REFLO
REFLO
JP1 REFLO
EXT
GND
V_IN
C6
0.1µF
LT1790ACS6-5
4
V_IN
3
NC
6
V_OUT
5
NC
GND GND
12
5V_REF
C7
1µF
6.3V
V_IN
C8
0.1µF
LT1790ACS6-4.096 ^4.096VREF
4
6
V_IN V_OUT
C9
3
NC
5
NC
1µF
6.3V
GND GND
12
REFA
JP3
1A2
3B4
5C6
REFB
JP4
1A2
3B4
5C6
REFC
JP5
1A2
3B4
5C6
REFD
JP6
1A2
3B4
5C6
ADC REF ^VREF
JP7
1A2
3B4
5C6
V_REF
C4
0.1µF
V_CC
C5
0.1µF
5V_REF
4.096V_REF
2.048V_REF
E2 _VOUTA
E3
REFA
E4
V_OUTB
E5
REFB
E6 _VOUTC
E7
REFC
E8 _VOUTD
E9
REFD
E10
GND
E11
GND
LTC2428CG
9 CH0
C3
100pF ^R5
7.5k
R8
22Ω
7
43
28
MUXOUT ADCIN FSSET V_CC V_CC
JP2
V_{CC ON/OFF}
DISABLE
ADC
10 CH1
11 CH2
12 CH3
13 CH4
14 CH5
15 CH6
17 CH7
5 ZSSET
8-CHANNEL
MUX
+
–
20-BIT
ADC
GND GND GND GND GND GND GND
1 6 16 18 22 27 28
23 R6
CSADC ₂₀
CSMUX ₂₅
7.5k _CS
SCK ₁₉
CLK ₂₁
DIN ₂₄
SD0
SCK SPI
MOSI ^BUS
MISO
F0 ²⁶
R7
7.5k
2609 TA02
V_IN
C10
0.1µF
LT1790ACS6-2.048 ^2.048VREF
4
6
V_IN V_OUT
C11
3 _NC
NC ⁵
1µF
6.3V
GND GND
12
20
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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