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参数资料
| 型号： | SPT7935 |
| 厂商： | Fairchild Semiconductor Corporation |
| 英文描述： | 12-BIT, 20 MSPS, 79 mW A/D CONVERTER |
| 中文描述： | 12位，20 MSPS的79毫瓦的A / D转换器 |
| 文件页数： | 3/8页 |
| 文件大小： | 54K |
| 代理商： | SPT7935 |
3
7/12/00
SPT7935
TEST LEVEL
I
II
III
IV
V
VI
TEST PROCEDURE
100% production tested at the specified temperature.
100% production tested at T
A
= +25
°
C, and sample tested at
the specified temperatures.
QA sample tested only at the specified temperatures.
Parameter is guaranteed (but not tested) by design and
characterization data.
Parameter is a typical value for information purposes only.
100% production tested at T
A
= +25
°
C. Parameter is guaran-
teed over specified temperature range.
TEST LEVEL CODES
All electrical characteristics are subject to the
following conditions: All parameters having
min/max specifications are guaranteed. The
Test Level column indicates the specific
device testing actually performed during pro-
duction and Quality Assurance inspection.
Any blank section in the data column indi-
cates that the specification is not tested at the
specified condition.
ELECTRICAL SPECIFICATIONS
T
A
=T
MIN
–T
MAX
, V
DD1
=V
DD2
=V
DD3
=
3.3 V,
V
REF
–=1.0 V, V
REF
+=2.0 V, Common Mode Voltage=1.65 V,
CLK
=20 MSPS, Bias 1=90
μ
A,
Bias 2=9.5
μ
A, Differential Input, Duty Cycle=50%, unless otherwise specified.
TEST
CONDITIONS
TEST
LEVEL
SPT7935
TYP
PARAMETERS
MIN
MAX
UNITS
Dynamic Performance–Continued
Signal-To-Noise and Distortion
IN
= 5 MHz
IN
= 10 MHz
Spurious Free Dynamic Range
IN
= 5.0 MHz
IN
= 10.0 MHz
Differential Phase
Differential Gain
VI
V
57
61
56
dB
dB
VI
V
V
V
62
70
61
0.2
0.5
dB
dB
Degrees
%
Digital Inputs
Logic 1 Voltage
Logic 0 Voltage
Maximum Input Current Low
Maximum Input Current High
Input Capacitance
VI
VI
VI
VI
V
80% V
DD
20% V
DD
±
1
±
1
V
IN
= GND
V
IN
= V
DD
μ
A
μ
A
pF
1.8
Digital Outputs
Logic 1 Voltage
Logic 0 Voltage
CLK to Output Delay Time (t
D
)
Power Supply Requirements
Supply Voltages
V
DD1
, V
DD2
, V
DD3
Supply Current
I
DD
Power Dissipation
Power Supply Rejection Ratio (PSRR)
I
O
= -2 mA
I
O
= +2 mA
VI
VI
IV
85% V
DD
95% V
DD
0.1
8
V
V
ns
0.4
12
4
IV
2.8
3.3
3.6
V
VI
VI
V
24
79
67
30
100
mA
mW
dB
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPT7935SCT | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| SPT7935SCT_D | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| SPT7935SCTX | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| SPT7935SIT | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| SPT7935SITX | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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