参数资料
型号: LTC1740CG#PBF
厂商: Linear Technology
文件页数: 12/16页
文件大小: 0K
描述: IC ADC 14BIT 6MSPS 36SSOP
标准包装: 37
位数: 14
采样率(每秒): 6M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 300mW
电压电源: 双 ±
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 36-SSOP(0.209",5.30mm 宽)
供应商设备封装: 36-SSOP
包装: 管件
输入数目和类型: 2 个单端,双极;1 个差分,双极
5
LTC1740
1740f
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All voltage values are with respect to ground with GND and OGND
wired together (unless otherwise noted).
Note 3: When these pin voltages are taken below VSS or above VDD, they
will be clamped by internal diodes. This product can handle input currents
greater than 100mA below VSS or above VDD without latchup.
Note 4: VDD = 5V, VSS = –5V or 0V, fSAMPLE = 6MHz, tr = tf = 5ns unless
otherwise specified.
Note 5: Linearity, offset and full-scale specifications apply for a
single-ended +AIN input with – AIN tied to VCM for single supply and 0V for
dual supply.
Note 6: Integral nonlinearity is defined as the deviation of a code from a
straight line passing through the actual endpoints of the transfer curve.
The deviation is measured from the center of the quantization band.
Note 7: Bipolar offset is the offset voltage measured from –0.5LSB
when the output code flickers between 00 0000 0000 0000 and
11 1111 1111 1111.
Note 8: Guaranteed by design, not subject to test.
Note 9: Recommended operating conditions.
TI I G CHARACTERISTICS
U
W
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Typical INL at 6Msps
Typical DNL at 6Msps
S/(N + D) vs Input Frequency
and Amplitude
CODE
0
INL
(LSB)
0
0.5
1.0
16384
1740 G01
–0.5
–1.0
–2.0
4096
8192
12288
–1.5
2.0
1.5
CODE
0
–1.0
DNL
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
4096
8192
1740 G02
–0.6
0.6
0.8
0.2
12288
16384
INPUT FREQUENCY (MHz)
0.1
50
S/(N
+
D)
(dBc)
55
60
65
70
80
110
1740 G03
100
75
VIN = 0dBFS
VIN = –6dBFS
VIN = –20dBFS
DUAL SUPPLIES
5V INPUT RANGE
DIFFERENTIAL INPUT
6Msps
S/(N + D) vs Input Frequency
and Amplitude
INPUT FREQUENCY (MHz)
0.1
50
S/(N
+
D)
(dBc)
55
60
65
70
80
110
1740 G04
100
75
VIN = 0dBFS
VIN = –6dBFS
VIN = –20dBFS
SINGLE SUPPLY
5V INPUT RANGE
DIFFERENTIAL INPUT
6Msps
SFDR and THD
vs Input Frequency
INPUT FREQUENCY (MHz)
0.1
50
AMPLITUDE
(dB)
55
65
70
75
10
95
1740 G05
60
1
100
80
85
90
SFDR
–THD
DUAL SUPPLIES
5V INPUT RANGE
AIN = 0dBFS
DIFFERENTIAL INPUT
6Msps
INPUT FREQUENCY (MHz)
0.1
50
AMPLITUDE
(dB)
55
65
70
75
10
95
1740 G06
60
1
100
80
85
90
SFDR
–THD
SINGLE SUPPLY
5V INPUT RANGE
AIN = 0dBFS
DIFFERENTIAL INPUT
6Msps
SFDR and THD
vs Input Frequency
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