Datasheet
LTC2415/LTC2415-1
40
sn2415 24151fs
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 0202 2K • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT1019 Precision Bandgap Reference, 2.5V, 5V 3ppm/°C Drift, 0.05% Max Initial Accuracy
LT1025 Micropower Thermocouple Cold Junction Compensator 80µA Supply Current, 0.5°C Initial Accuracy
LTC1043 Dual Precision Instrumentation Switched Capacitor Precise Charge, Balanced Switching, Low Power
Building Block
LTC1050 Precision Chopper Stabilized Op Amp No External Components 5µV Offset, 1.6µV
P-P
Noise
LT1236A-5 Precision Bandgap Reference, 5V 0.05% Max Initial Accuracy, 5ppm/°C Drift
LT1460 Micropower Series Reference 0.075% Max Initial Accuracy, 10ppm/°C Max Drift,
LTC2400 24-Bit, No Latency ∆Σ ADC in SO-8 0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200µA
LTC2401/LTC2402 1-/2-Channel, 24-Bit, No Latency ∆Σ ADCs in MSOP 0.6ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200µA
LTC2414/LTC2418 4-/8-Channel, 24-Bit, No Latency ∆Σ ADCs with Differential Inputs 0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200µA
LTC2410 24-Bit, No Latency ∆Σ ADC with Differential Inputs 800nV
RMS
Noise, Pin Compatible with LTC2415
LTC2411 24-Bit, No Latency ∆Σ ADC with Differential Inputs in MSOP 1.45µV
RMS
Noise, 4ppm INL
LTC2413 24-Bit, No Latency ∆Σ ADC with Differential Inputs Simultaneous 50Hz/60Hz Rejection, 800nV
RMS
Noise
LTC2420 20-Bit, No Latency ∆Σ ADC in SO-8 1.2ppm Noise, 8ppm INL, Pin Compatible with LTC2400
Figure 40. 24-Bit A/D Demo Board Schematic
JP4
JUMPER
2
31
1
P1
DB9
6
9
2
7
3
8
4
5
+
2415 F40
R1
10Ω
J1
V
EXT
D1
BAV74LT1
C4
100µF
16V
V
OUT
V
IN
GND
U2
LT1236ACN8-5
U3E
74HC14
62
1110
143
134
125
166
15
10
9871
112
3
21
1
1
4
U3F
74HC14
1312
U3B
74HC14
34
U3A
74HC14
12
U3C
74HC14
65
U3D
74HC14
8
3
2
1
9
+
C3
10µF
35V
V
OUT
V
IN
GND
U1
LT1460ACN8-2.5
62
4
+
C1
10µF
35V
+
C2
22µF
25V
C6
0.1µF
+
C5
10µF
35V
V
CC
V
CC
V
CC
J2
GND
J3
V
CC
1
1
J5
GND
1
J7
REF
–
BANANA JACK
1
J6
REF
+
BANANA JACK
1
J4
V
EXT
BANANA JACK
1
J8
V
IN
+
BANANA JACK
1
J9
V
IN
–
BANANA JACK
1
J10
GND
BANANA JACK
R3
51k
R4
51k
R6
3k
Q1
MMBT3904LT1
R5
49.9Ω
R7
22k
R8
51k
REF
+
F
O
REF
–
SCK
V
IN
+ SDO
V
IN
– GND
GND
GND
CSV
CC
GNDGND GND GND
JP3
JUMPER
2
31
C7
0.1µF
BYPASS CAP
FOR U3
NOTES:
INSTALL JUMBER JP1 AT PIN 1 AND PIN 2
INSTALL JUMBER JP2 AT PIN 1 AND PIN 2
INSTALL JUMBER JP3 AT PIN 1 AND PIN 2
V
CC
JP5
JUMPER
1
2
JP1
JUMPER
2
31
JP2
JUMPER
21
R2
3Ω
U4
LTC2415/
LTC2415-1
TYPICAL APPLICATIO
U