参数资料
型号: CS5526-BSZR
厂商: Cirrus Logic Inc
文件页数: 17/30页
文件大小: 0K
描述: IC ADC 20BIT W/4BIT LATCH 20SSOP
标准包装: 1,000
位数: 20
数据接口: 串行
转换器数目: 1
功率耗散(最大): 12.7mW
电压电源: 双 ±
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 带卷 (TR)
输入数目和类型: 1 个差分,单极;1 个差分,双极
配用: 598-1014-ND - EVAL BOARD FOR CS5526
CS5525 CS5526
24
DS202F5
PIN DESCRIPTIONS
Clock Generator
XIN; XOUT - Crystal In; Crystal Out, Pins 9, 10.
A gate inside the chip is connected to these pins and can be used with a crystal to provide the
master clock for the device. Alternatively, an external (CMOS compatible) clock can be
supplied into the XIN pin to provide the master clock for the device.
Control Pins and Serial Data I/O
CS - Chip Select, Pin 18.
When active low, the port will recognize SCLK. When high the SDO pin will output a high
impedance state. CS should be changed when SCLK = 0.
SDI - Serial Data Input, Pin 17.
SDI is the input pin of the serial input port. Data will be input at a rate determined by SCLK.
SDO - Serial Data Output, Pin 14.
SDO is the serial data output. It will output a high impedance state if CS = 1.
SCLK - Serial Clock Input, Pin 11.
A clock signal on this pin determines the input/output rate of the data for the SDI/SDO pins
respectively. This input is a Schmitt trigger to allow for slow rise time signals. The SCLK pin
will recognize clocks only when CS is low.
A0, A1, A2, A3 - Logic Outputs, Pin 6, 7, 15, 16.
The logic states of A0-A3 mimic the states of the D20-D23 bits of the configuration register.
Logic Output 0 = AGND, and Logic Output 1 = VA+.
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
10
11
ANALOG GROUND
AGND
VREF+ VOLTAGE REFERENCE INPUT
POSITIVE ANALOG POWER
VA+
VREF- VOLTAGE REFERENCE INPUT
DIFFERENTIAL ANALOG INPUT
AIN+
CS
CHIP SELECT
DIFFERENTIAL ANALOG INPUT
AIN-
SDI
SERIAL DATA INPUT
NEGATIVE BIAS VOLTAGE
NBV
A3
LOGIC OUTPUT
A0
A2
LOGIC OUTPUT
A1
SDO
SERIAL DATA OUTPUT
CHARGE PUMP DRIVE
CPD
VD+
POSITIVE DIGITAL POWER
CRYSTAL IN
XIN
DGND DIGITAL GROUND
CRYSTAL OUT
XOUT
SCLK SERIAL CLOCK INPUT
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