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参数资料
| 型号： | DC1684A-B |
| 厂商： | Linear Technology |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | BOARD DAC LTC2752 |
| 软件下载： | QuikEval System |
| 设计资源： | DC1684A Design File DC1684A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval™, SoftSpan™ |
| DAC 的数量： | 2 |
| 位数： | 16 |
| 数据接口： | 串行，SPI? |
| 设置时间： | 2µs |
| DAC 型： | 电流 |
| 工作温度： | 0°C ~ 70°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | LTC2752 |
| 相关产品： | DC590B-ND - BOARD DEMO USB SERIAL CONTROLLER LTC2752BILX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP LTC2752AILX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP LTC2752BCLX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP LTC2752ACLX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP |
LTC2752
2752f
Typical applicaTion
FeaTures
applicaTions
DescripTion
Dual16-Bit
SoftSpan IOUT DACs
The LTC2752 is a dual 16-bit multiplying serial-input,
current-outputdigital-to-analogconverter.Itoperatesfrom
a single 3V to 5V supply and is guaranteed monotonic
over temperature. The LTC2752A provides full 16-bit
performance(±1LSBINLandDNL,max)overtemperature
without any adjustments. This SoftSpan DAC offers
six output ranges (up to ±10V) that can be programmed
through the 3-wire SPI serial interface, or pinstrapped for
operation in a single range.
Any on-chip register (including DAC output-range set-
tings) can be read for verification in just one instruction
cycle; and if you change register content, the altered
register will be automatically read back during the next
instruction cycle.
Voltage-controlled offset and gain adjustments are also
provided; and the power-on reset circuit and CLR pin both
reset the DAC outputs to 0V regardless of output range.
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
SoftSpan is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners. Protected by U.S. Patents, including 5481178.
Dual 16-Bit VOUT DAC with Software-Selectable Ranges
n
Program or Pin-Strap Six Output Ranges
0V to 5V, 0V to 10V, –2.5V to 7.5V, ±2.5V, ±5V, ±10V
n
Maximum 16-Bit INL Error: ±1 LSB over
Temperature
n
Guaranteed Monotonic over Temperature
n
Glitch Impulse 0.6nVs (3V), 2.2nVs (5V)
n
Serial Readback of All On-Chip Registers
n
1μA Maximum Supply Current
n
2.7V to 5.5V Single-Supply Operation
n
16-Bit Settling Time: 2s
n
Voltage-Controlled Offset and Gain Trims
n
Clear and Power-On-Reset to 0V Regardless of
Output Range
n
48-Pin 7mm
× 7mm LQFP Package
n
High Resolution Offset and Gain Adjustment
n
Process Control and Industrial Automation
n
Automatic Test Equipment
n
Data Acquisition Systems
LTC2752
VDD
GND
GE
ADJB
SPI with READBACK
–
+
–
DAC B
REFERENCE
5V
VOUTB
R
INA
REF
A
REFERENCE
5V
REFB
R
OFSA
R
OFSB
R
COMB
R
COMA
R
INB
VOSADJB
ALL AMPLIFIERS 1/2 LT1469
IOUT1B
IOUT2B
RFBB
GE
ADJA
+
–
2752 TA01
VOUTA
VOSADJA
IOUT1A
IOUT2A
RFBA
+
–
DAC A
CODE
0
–1.0
INL
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
16384
32768
2752 TA01b
–0.6
0.6
0.8
0.2
49152
65535
±10V RANGE
Integral Nonlinearity (INL)
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