参数资料
型号: THS1041IPWRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
封装: GREEN, PLASTIC, TSSOP-28
文件页数: 23/41页
文件大小: 810K
代理商: THS1041IPWRG4
THS1041
SLAS289C OCTOBER 2001 REVISED OCTOBER 2004
3
www.ti.com
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
AGND
1
I
Analog ground
AIN+
27
I
Positive analog input
AIN
25
I
Negative analog input
AVDD
28
I
Analog supply
CLAMP
19
I
High to enable clamp mode, low to disable clamp mode
CLAMPIN
20
I
Connect to an external analog clamp reference input.
CLAMPOUT
21
O
The CLAMPOUT pin can provide a dc restoration or a bias source function (see AC reference generation
section). If neither function is required then the clamp can be disabled to save power (see power management
section).
CLK
15
I
Clock input
DGND
14
I
Digital ground
DVDD
2
I
Digital supply
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
I/O9
3
4
5
6
7
8
9
10
11
12
I/O
Digital I/O bit 0 (LSB)
Digital I/O bit 1
Digital I/O bit 2
Digital I/O bit 3
Digital I/O bit 4
Digital I/O bit 5
Digital I/O bit 6
Digital I/O bit 7
Digital I/O bit 8
Digital I/O bit 9 (MSB)
MODE
23
I
Operating mode select (AGND, AVDD/2, AVDD)
OE
16
I
High to high-impedance state the data bus, low to enable the data bus
OVR
13
O
Out-of-range indicator
REFB
24
I/O
Bottom ADC reference voltage
REFSENSE
18
I
VREF mode control
REFT
22
I/O
Top ADC reference voltage
VREF
26
I/O
Internal or external reference
WR
17
I
Write strobe
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