LT1468 Linear Technology, LT1468 Datasheet - Page 12

• Manufacturer Part Number: LT1468
• Description: 90MHz/ 22V/us 16-Bit Accurate Operational Amplifier
• Manufacturer: Linear Technology

RELATED PARTS
LT1468
TYPICAL APPLICATIONS
V
PART NUMBER
LT1167
LTC1595/LTC1596
LTC1597
LTC1604
LTC1605
12
–
+
IN
GAIN = [R4/R3][1 + (1/2)(R2/R1 + R3/R4) + (R2 + R3)/R5] = 102
TRIM R5 FOR GAIN
TRIM R1 FOR COMMON MODE REJECTION
BW = 480kHz
50k
R1
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
R2
5k
–
+
LT1468
Instrumentation Amplifier
V
IN
10pF
DESCRIPTION
Precision Instrumentation Amplifier
16-Bit Serial Multiplying I
16-Bit Parallel Multiplying I
16-Bit, 333ksps Sampling ADC
Single 5V, 16-Bit, 100ksps Sampling ADC
1.1k
C1
R5
11k
f
Q = 7
A
O
V
= 100kHz
1000pF
121
= –1
R3
5k
–
+
U
LT1468
–
+
LT1468
1000pF
22.1k
OUT
50k
2pF
OUT
R4
C2
DACs
100kHz Low Distortion Bandpass Filter
DAC
R
L
V
OUT
1468 TA03
V
OUT
100kHz Distortion
SIGNAL LEVEL
COMMENTS
Single Resistor Gain Set, 0.04% Max Gain Error, 10ppm Max Gain Nonlinearity
Low Power, 10V Inputs, Parallel/Byte Interface
1LSB Max INL/DNL, Low Glitch, DAC8043 16-Bit Upgrade
1LSB Max INL/DNL, Low Glitch, On-Chip Bipolar Resistors
2.5V Input, SINAD = 90dB, THD = –100dB
3.5V
3.5V
1V
2V
1V
2V
RMS
RMS
RMS
RMS
RMS
RMS
V
2k
IN
1M
1M
1M
–
+
R
2k
2k
2k
LT1468
L
10pF
2k
2ND HARMONIC
– 96.5dB
– 106dB
– 105dB
– 106dB
– 103dB
– 99dB
16-Bit ADC Buffer
1000pF
200
3RD HARMONIC
LINEAR TECHNOLOGY CORPORATION 1998
– 103dB
– 105dB
– 104dB
– 103dB
– 103dB
– 102dB
33.2k
1468f LT/TP 1098 4K • PRINTED IN USA
1468 TA05
CAP
LTC1605
2.2 F
16 BITS
1468 TA04