参数资料
型号: LTC1608CG
厂商: Linear Technology
文件页数: 16/20页
文件大小: 0K
描述: IC A/D CONV 16BIT SAMPLNG 36SSOP
标准包装: 37
位数: 16
采样率(每秒): 500k
数据接口: 并联
转换器数目: 1
功率耗散(最大): 420mW
电压电源: 模拟和数字,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
其它名称: Q917092
5
LTC1608
Note 10: Signal-to-Noise Ratio (SNR) is measured at 5kHz and distortion
is measured at 100kHz. These results are used to calculate Signal-to-Nosie
Plus Distortion (SINAD).
Note 11: Guaranteed by design, not subject to test.
Note 12: Recommended operating conditions.
Note 13: The falling CONVST edge starts a conversion. If CONVST returns
high at a critical point during the conversion it can create small errors. For
best performance ensure that CONVST returns high either within 250ns
after conversion start or after BUSY rises.
Note 14: The acquisition time would go up to 400ns and the conversion
time would go up to 1.8
s. However, the throughput time (acquisition +
conversion) is guaranteed by test to be 2
s max.
Note 15: If RD
↓ precedes CS↓, the output enable will be gated by CS↓.
Note 4: When these pin voltages are taken below VSS, they will be clamped
by internal diodes. This product can handle input currents greater than
100mA below VSS without latchup. These pins are not clamped to VDD.
Note 5: VDD = 5V, VSS = – 5V, fSMPL = 500kHz, and tr = tf = 5ns unless
otherwise specified.
Note 6: Linearity, offset and full-scale specification apply for a single-
ended AIN+ input with AIN– grounded.
Note 7: 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 8: Typical RMS noise at the code transitions.
Note 9: Bipolar offset is the offset voltage measured from – 0.5LSB when
the output code flickers between 0000 0000 0000 0000 and 1111 1111
1111 1111.
ELECTRICAL CHARACTERISTICS
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Integral Nonlinearity
vs Output Code
CODE
–32768
32767
INL
(LSB)
0
0.5
–16384
16384
0
1608 G01
1.0
1.5
2.0
–0.5
–1.0
–1.5
–2.0
Differential Nonlinearity
vs Output Code
CODE
–32768
32767
–1.0
DNL
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
–16384
16384
0
1608 G02
–0.6
0.6
0.8
0.2
S/(N + D) vs Input Frequency
and Amplitude
FREQUENCY (Hz)
100
90
80
70
60
50
40
30
20
10
0
SINAD
(dB)
1608 G03
1k
10k
100k
1M
VIN = 0dB
VIN = –20dB
VIN = –40dB
Signal-to-Noise Ratio
vs Input Frequency
Distortion vs Input Frequency
Spurious-Free Dynamic Range
vs Input Frequency
FREQUENCY (Hz)
100
90
80
70
60
50
40
30
20
10
0
SIGNAL-TO-NOISE
RATIO
(dB)
1608 G04
1k
10k
100k
1M
INPUT FREQUENCY (Hz)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
AMPLITUDE
(dB
BELOW
THE
FUNDAMENTAL)
1608 G05
1k
10k
100k
1M
THD
3RD
2ND
INPUT FREQUENCY (Hz)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
SPURIOUS-FREE
DYNAMIC
RANGE
(dB)
1608 G06
1k
10k
100k
1M
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