LTC6363 Driver Datasheet

LTC6363 Datasheet PDF, Equivalent


Part Number

LTC6363

Description

Low Power Differential Amplifier/ADC Driver

Manufacture

Analog Devices

Total Page 30 Pages
PDF Download
Download LTC6363 Datasheet PDF


LTC6363
LTC6363 Family
Precision, Low Power Differential
Amplifier/ADC Driver Family
FEATURES
nn Available with User Settable Gain or Fixed-Gain
of 0.5V/V, 1V/V, or 2V/V
nn 2.9nV/√Hz Input-Referred Noise
nn 2mA Maximum Supply Current
nn 45ppm Max Gain Error
nn 0.5ppm/°C Max Gain Error Drift
nn 94dB Min CMRR
nn 100µV Max Offset Voltage
nn 50nA Max Input Offset Current
nn Fast Settling: 720ns to 18-Bit, 8VP-P Output
nn 2.8V (±1.4V) to 11V (±5.5V) Supply Voltage Range
nn Differential Rail-to-Rail Outputs
nn Input Common Mode Range Includes Ground
nn Low Distortion: 118dB SFDR at 2kHz, 18VP-P
nn 500MHz Gain-Bandwidth Product
nn 35MHz –3dB Bandwidth
nn Low Power Shutdown: 20µA (VS = 3V)
nn 8-Lead MSOP, 2mm × 3mm 8-Lead DFN and 3mm x
3mm 16-lead LFCSP Packages
APPLICATIONS
n 20-Bit, 18-Bit and 16-Bit SAR ADC Drivers
n Single-Ended-to-Differential Conversion
n Low Power ADC Drivers
n Level Shifter
n Differential Line Drivers
n Battery-Powered Instrumentation
DESCRIPTION
The LTC®6363 family consists of four fully differential,
low power, low noise amplifiers with rail-to-rail outputs
optimized to drive SAR ADCs. The LTC6363 is a standalone
differential amplifier, where the gain is typically set using
four external resistors. The LTC6363-0.5, LTC6363-1, and
LTC6363-2 each have internal matched resistors to create
fixed gain blocks with gains of 0.5V/V, 1V/V, and 2V/V
respectively. Each of the fixed-gain amplifiers features
precision laser trimmed on-chip resistors for accurate,
ultrastable gain and excellent CMRR.
Family Selection Table
PART NUMBER GAIN
CONFIGURATION
LTC6363
User Set
+IN
–IN
+
–OUT
+OUT
LTC6363-0.5
LTC6363-1
LTC6363-2
0.5V/V
1V/V
2V/V
RF
+IN RI +
–IN
RI
RF
–OUT
+OUT
All registered trademarks and trademarks are the property of their respective owners.
TYPICAL APPLICATION
DC-Coupled Interface from a Ground-Referenced
Single-Ended Input to an LTC2378-20 SAR ADC
6V
VIN
0.1µF
+IN 1050Ω
VOCM
–IN 1050Ω
V+ LTC6363-1
1050Ω –OUT
V+
+
30.1Ω
V
SHDN
1050Ω
V
+OUT 30.1Ω
3.3nF
5V 2.5V
3.3nF
3.3nF
AIN+ VREF
VDD
LTC2378-20
SAR ADC
AIN–
GND
20-BIT
1Msps
6363 TA01a
6V –1V
For more information www.analog.com
LTC6363-1 Driving LTC2378-20
fIN = 2kHz, –1dBFS,131k-Point FFT
0
VS = 6V, –1V
–20 VOUTDIFF = 8.9VP-P
HD2 = –119.5dBc
–40 HD3 = –128.3dBc
SFDR = 118.3dB
–60
THD = –115.3dB
SNR = 102dB
–80 SINAD = 101.8dB
–100
–120
–140
–160
0
50 100 150 200 250 300 350 400 450 500
FREQUENCY (kHz)
6363 TA01Rb ev. C
1

LTC6363
LTC6363 Family
ABSOLUTE MAXIMUM RATINGS (Note 1)
Total Supply Voltage (V+ – V)................................... 12V
Input Voltage (+IN, –IN) (Note 2)
LTC6363-0.5.................... (V) – 14.9V to (V+) + 14.9V
LTC6363-1.........................(V) – 11.1V to (V+) + 11.1V
LTC6363-2....................... (V) – 7.45V to (V+) + 7.45V
Input Current (+IN, –IN) LTC6363 (Note 3)........... ±10mA
Input Current (VOCM, SHDN) (Note 3)................... ±10mA
Output Short-Circuit Duration
(Note 4)...........................................Thermally Limited
Operating Temperature Range (Note 5)
LTC6363I/LTC6363I-0.5/LTC6363I-1/
LTC6363I-2...........................................–40°C to 85°C
LTC6363H/LTC6363H-0.5/LTC6363H-1/
LTC6363H-2....................................... –40°C to 125°C
Specified Temperature Range (Note 6)
LTC6363I/LTC6363I-0.5/LTC6363I-1/
LTC6363I-2...........................................–40°C to 85°C
LTC6363H/LTC6363H-0.5/LTC6363H-1/
LTC6363H-2....................................... –40°C to 125°C
Maximum Junction Temperature........................... 150°C
Storage Temperature Range................... –65°C to 150°C
MSOP Lead Temperature (Soldering, 10 sec)......... 300°C
PIN CONFIGURATION
LTC6363
TOP VIEW
–IN 1
VOCVM+
2
3
+OUT 4
–+ –+
8 +IN
7 SHDN
6 V
5 –OUT
MS8 PACKAGE
8-LEAD PLASTIC MSOP
TJMAX = 150°C, θJA = 273°C/W
LTC6363-0.5/LTC6363-1/LTC6363-2
TOP VIEW
–IN 1
8 +IN
VOCVM+
2
3
+OUT 4
–+ –+
7 SHDN
6 V
5 –OUT
MS8 PACKAGE
8-LEAD PLASTIC MSOP
TJMAX = 150°C, θJA = 273°C/W
LTC6363
TOP VIEW
–IN 1
VOCM 2
V+ 3
+OUT 4
V9–+ –+
8 +IN
7 SHDN
6 V
5 –OUT
DCB PACKAGE
8-LEAD (2mm × 3mm) PLASTIC DFN
TJMAX = 150°C, θJA
EXPOSED PAD (PIN 9)
= 64°C/W, θJC = 10.6°C/W
MUST BE CONNECTED TO
V
TOP VIEW
VVVV
16 15 14 13
–FB 1
12 SHDN
+IN 2
–IN 3
+FB 4
+
+–
17
11 –OUT
10 +OUT
9 VOCM
5678
V+ V+ V+ V+
LFCSP PACKAGE
16-LEAD (3mm × 3mm) PLASTIC LFCSP
TJMAX = 150°C, θJA =
EXPOSED PAD (PIN 17) MUST
81.2°C/W, θJC =
BE CONNECTED
39.7°C/W
TO VOR
GROUND
Rev. C
2 For more information www.analog.com


Features LTC6363 Family Precision, Low Power Diff erential Amplifier/ADC Driver Family F EATURES nn Available with User Settable Gain or Fixed-Gain of 0.5V/V, 1V/V, or 2V/V nn 2.9nV/√Hz Input-Referred Noi se nn 2mA Maximum Supply Current nn 45p pm Max Gain Error nn 0.5ppm/°C Max Gai n Error Drift nn 94dB Min CMRR nn 100µ V Max Offset Voltage nn 50nA Max Input Offset Current nn Fast Settling: 720ns to 18-Bit, 8VP-P Output nn 2.8V (±1.4V ) to 11V (±5.5V) Supply Voltage Range nn Differential Rail-to-Rail Outputs nn Input Common Mode Range Includes Groun d nn Low Distortion: 118dB SFDR at 2kHz , 18VP-P nn 500MHz Gain-Bandwidth Produ ct nn 35MHz –3dB Bandwidth nn Low Pow er Shutdown: 20µA (VS = 3V) nn 8-Lead MSOP, 2mm × 3mm 8-Lead DFN and 3mm x 3 mm 16-lead LFCSP Packages APPLICATIONS n 20-Bit, 18-Bit and 16-Bit SAR ADC Dr ivers n Single-Ended-to-Differential C onversion n Low Power ADC Drivers n L evel Shifter n Differential Line Drive rs n Battery-Powered Instrumentation DESCRIPTION The LTC®6363 family co.
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