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参数资料
| 型号： | SPT7936 |
| 厂商： | Fairchild Semiconductor Corporation |
| 英文描述： | 12-BIT, 28 MSPS SAMPLING A/D CONVERTER |
| 中文描述： | 12位，28 MSPS的采样A / D转换器 |
| 文件页数： | 8/8页 |
| 文件大小： | 59K |
| 代理商： | SPT7936 |
8
8/1/00
SPT7936
PIN ASSIGNMENTS
EXTREF
Digital input: Reference select.
EXTREF=1: Use external refer-
ence. Internal reference powered
down. EXTREF=0: Internal refer-
ence is used.
Digital inputs for maximum sam-
pling rate programming.
Sleep mode (power save)
BIAS0, BIAS1
BIAS1=0, BIAS0=0:
BIAS1=0, BIAS0=1: Max. 5 MHz sampling
BIAS1=1, BIAS0=0:
Max. 20 MHz sampling
(Default by internal pull up/pull down)
BIAS1=1, BIAS0=1:
Max. 28 MHz sampling
CLOCK
Clock input
CM
Common mode voltage output.
(1.5 V typ)
D11-D
Digital outputs ( MSB to LSB)
OR
Out-of-Range digital output. OR=1
indicates input out of range
V
DD1
Analog power supply
V
DD2
Digital power supply
GND
Analog Ground
N/C
No Connect Pins. Recommended
to connect to analog ground.
BGAP
Internal Bandgap Reference
Output: Bypass to ground for
normal operation.
PART NUMBER
SPT7936SCT
TEMPERATURE RANGE
0 to +70
°
C
PACKAGE TYPE
44L TQFP
ORDERING INFORMATION
N
E
B
G
B
B
C
G
V
V
G
1
1
1
1
1
1
1
1
2
2
2
V
D
D
D
D
D
D
D
D
D
D
4
4
4
4
4
3
3
3
3
3
3
GND
CLK
GND
VDD2
VDD2
VDD2
VDD1
VDD1
VDD1
VREF–
VREF+
1
2
3
4
5
6
7
8
9
10
11
D10
D11
OR
GND
GND
GND
GND
GND
GND
GND
GND
33
32
31
30
29
28
27
26
25
24
23
PIN FUNCTIONS
Name
Function
V
IN
+, V
IN
-
V
REF
+, V
REF
-
Differential input signal pins.
Reference input pins. Bypass with
100 nF capacitors close to the pins.
See Application Information.
LIFE SUPPORT POLICY
FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE
EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems which, (a) are
intended for surgical implant into the body, or (b) support or sustain life,
and whose failure to perform, when properly used in accordance with
instructions for use provided in the labeling, can be reasonably expected
to result in a significant injury to the user.
2. A critical component is any component of a life support device or system
whose failure to perform can be reasonably expected to cause the failure
of the life support device or system, or to affect its safety or effectiveness.
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO
IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF
ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF
OTHERS.
www.fairchildsemi.com
Copyright 2002 Fairchild Semiconductor Corporation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPT7936SCT | 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 |
| SPT7937 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:12-BIT, 28 MSPS, 170 mW A/D CONVERTER |
| SPT7937SIR | 制造商:未知厂家 制造商全称:未知厂家 功能描述:12-BIT, 28 MSPS, 170 mW A/D CONVERTER |
| SPT7938 | 制造商:CADEKA 制造商全称:CADEKA 功能描述:12-BIT, 40 MSPS, 170 mW A/D CONVERTER |
| SPT7938SIR | 制造商:CADEKA 制造商全称:CADEKA 功能描述:12-BIT, 40 MSPS, 170 mW A/D CONVERTER |
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